| Water Body Name: | Alisal Creek (Monterey County) |
| Water Body ID: | CAR3097009519990222130537 |
| Water Body Type: | River & Stream |
DECISION ID |
75312 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Chlorophyll-a |
| Final Listing Decision: | Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL) |
| Last Listing Cycle's Final Listing Decision: | Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2016) |
| Revision Status | Original |
| Sources: | Agriculture | Grazing-Related Sources | Natural Sources |
| TMDL Name: | Salinas River Nutrients |
| TMDL Project Code: | 87 |
| Date TMDL Approved by USEPA: | 10/13/2015 |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for removal from the CWA section 303(d) List under section 4.2 of the Listing Policy. Under this section a single line of evidence is necessary to assess listing status.
Four lines of evidence are available in the administrative record to assess this pollutant. Five of the 17 samples exceed the Evaluation Guideline (North Carolina Administrative code, Title 15A) and the General Water Quality Objective set to protect aquatic life beneficial uses. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the CWA section 303(d) List. There is sufficient justification to place it in the Being Addressed portion of the 303(d) list because a TMDL has been completed and approved by RWQCB and USEPA, and is expected to result in attainment of the standard. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Five of the 17 samples exceed the Evaluation Guideline and this exceeds the allowable frequency listed in Table 4.2 of the Listing Policy. 4. The Lower Salinas River Watershed Nutrient TMDL has been approved by the USEPA on 10/13/2015. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 10043 | ||||
| Pollutant: | Chlorophyll-a | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 5 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 5 of 6 samples exceed the criterion for Chlorophyll a. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses (general objective for biostimulatory substances, Water Quality Control Plan, Central Coast Basin, Chapter III, Section II). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| North Carolina standards, criteria, or toxic concentrations. Adopted per title 15A North Carolina Administrative Code subchapter 2B - Surface water and wetland standards | |||||
| Water quality standards table | |||||
| Evaluation Guideline: | North Carolina Administrative code (NCAC), Title 15A - Environmental and Natural Resources, Subchapter 2B-Surface water and wetland standards, Rule 0211-Fresh surface water quality standards for class C waters (Class C is defined as freshwaters protected for secondary recreation, fishing, aquatic life including propagation and survival, and wildlife). Section 3(a) of Rule 0211 applies to all fresh surface waters and states that chlorophyll a is not to exceed 40 ug/L. | ||||
| Guideline Reference: | North Carolina standards, criteria, or toxic concentrations. Adopted per title 15A North Carolina Administrative Code subchapter 2B - Surface water and wetland standards | ||||
| North Carolina standards, criteria, or toxic concentrations. Adopted per title 15A North Carolina Administrative Code subchapter 2B - Surface water and wetland standards | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 10044 | ||||
| Pollutant: | Chlorophyll-a | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Aquatic Life Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 5 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 5 of 6 samples exceed the criterion for Chlorophyll a. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses (general objective for biostimulatory substances, Water Quality Control Plan, Central Coast Basin, Chapter III, Section II). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| North Carolina standards, criteria, or toxic concentrations. Adopted per title 15A North Carolina Administrative Code subchapter 2B - Surface water and wetland standards | |||||
| Water quality standards table | |||||
| Evaluation Guideline: | North Carolina Administrative code (NCAC), Title 15A - Environmental and Natural Resources, Subchapter 2B-Surface water and wetland standards, Rule 0211-Fresh surface water quality standards for class C waters (Class C is defined as freshwaters protected for secondary recreation, fishing, aquatic life including propagation and survival, and wildlife). Section 3(a) of Rule 0211 applies to all fresh surface waters and states that chlorophyll a is not to exceed 40 ug/L. | ||||
| Guideline Reference: | North Carolina standards, criteria, or toxic concentrations. Adopted per title 15A North Carolina Administrative Code subchapter 2B - Surface water and wetland standards | ||||
| North Carolina standards, criteria, or toxic concentrations. Adopted per title 15A North Carolina Administrative Code subchapter 2B - Surface water and wetland standards | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 52982 | ||||
| Pollutant: | Chlorophyll-a | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Total | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for Chlorophyll a. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses (general objective for biostimulatory substances, Water Quality Control Plan, Central Coast Basin, Chapter III, Section II). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | North Carolina Administrative code (NCAC), Title 15A – Environmental and Natural Resources, Subchapter 2B-Surface water and wetland standards, Rule 0211-Fresh surface water quality standards for class C waters (Class C is defined as freshwaters protected for secondary recreation, fishing, aquatic life including propagation and survival, and wildlife). Section 3(a) of Rule 0211 applies to all fresh surface waters and states that chlorophyll a is not to exceed 40 ug/L. | ||||
| Guideline Reference: | North Carolina standards, criteria, or toxic concentrations. Adopted per title 15A North Carolina Administrative Code subchapter 2B - Surface water and wetland standards | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 52981 | ||||
| Pollutant: | Chlorophyll-a | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Total | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for Chlorophyll a. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses (general objective for biostimulatory substances, Water Quality Control Plan, Central Coast Basin, Chapter III, Section II). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | North Carolina Administrative code (NCAC), Title 15A – Environmental and Natural Resources, Subchapter 2B-Surface water and wetland standards, Rule 0211-Fresh surface water quality standards for class C waters (Class C is defined as freshwaters protected for secondary recreation, fishing, aquatic life including propagation and survival, and wildlife). Section 3(a) of Rule 0211 applies to all fresh surface waters and states that chlorophyll a is not to exceed 40 ug/L. | ||||
| Guideline Reference: | North Carolina standards, criteria, or toxic concentrations. Adopted per title 15A North Carolina Administrative Code subchapter 2B - Surface water and wetland standards | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
DECISION ID |
68580 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Fecal Coliform |
| Final Listing Decision: | Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL) |
| Last Listing Cycle's Final Listing Decision: | Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2016) |
| Revision Status | Original |
| Sources: | Grazing-Related Sources | Illegal dumping | Transient encampments | Urban Runoff/Storm Sewers |
| TMDL Name: | Salinas River Fecal Coliform |
| TMDL Project Code: | 43 |
| Date TMDL Approved by USEPA: | 01/31/2012 |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | No new data were assessed. However, a TMDL has been approved by US EPA since the 2010 assessment cycle.
This pollutant is being considered for removal from the section 303(d) list under sections 4.2 and 4.3 of the Listing Policy. Under these sections, a single line of evidence is necessary to assess listing status. Two lines of evidence are available in the administrative record to assess this pollutant. Five of the six samples exceed the water quality objective for contact recreation (i.e. swimming) and three of the six samples exceed the water quality objective for non-contact recreation. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the section 303(d) list. In accordance with section 2.2 of the Policy, there is sufficient justification to place it in the Being Addressed portion of the 303(d) list because a TMDL has been completed and approved by RWQCB and USEPA, and is expected to result in attainment of the standard. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section NUMBER of the Policy. 2. The data used satisfies the data quantity requirements of section NUMBER of the Policy. 3. Five of the six samples exceed the water quality objective for contact recreation and this exceeds the allowable frequency listed in Table 4.2 of the Listing Policy. 4. The Lower Salinas River Watershed Fecal Coliform TMDL has been approved by USEPA on January 31, 2012. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current cycle. The decision has not changed. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 10857 | ||||
| Pollutant: | Fecal Coliform | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Non-Contact Recreation | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 3 | ||||
| Data and Information Type: | PATHOGEN MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 3 of 6 samples exceed the criterion for Coliform, Fecal. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | The Water Quality Control Plan, Central Coast Basin objective for non-contact water recreation uses (Section II.A.2. Objectives for All Inland Surface Waters, Enclosed Bays, and Estuaries, II.A.2.a) states the following: Fecal coliform concentration, based on a minimum of not less than five samples for any 30-day period, shall not exceed a log mean of 2000/100 ml, nor shall more than ten percent of samples collected during any 30-day period exceed 4000/100 ml. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
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|||||
| LOE ID: | 10843 | ||||
| Pollutant: | Fecal Coliform | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Water Contact Recreation | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 5 | ||||
| Data and Information Type: | PATHOGEN MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 5 of 6 samples exceed the criterion for Coliform, Fecal. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | The Water Quality Control Plan, Central Coast Basin objective for water contact recreation uses (Section II.A.2. Objectives for All Inland Surface Waters, Enclosed Bays, and Estuaries, II.A.2.a) states the following: Fecal coliform concentration, based on a minimum of not less than five samples for any 30-day period, shall not exceed a log mean of 200 MPN/100 ml, nor shall more than ten percent of total samples during any 30-day period exceed 400 MPN/100 ml. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
DECISION ID |
86751 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Nitrate |
| Final Listing Decision: | Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL) |
| Last Listing Cycle's Final Listing Decision: | Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2016) |
| Revision Status | Original |
| Sources: | Agriculture |
| TMDL Name: | Salinas River Nutrients |
| TMDL Project Code: | 87 |
| Date TMDL Approved by USEPA: | 10/13/2015 |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for removal from the section 303(d) list under sections 2.1 and 4.1 of the Listing Policy. Under 4.1 of the Policy, a minimum of one line of evidence (LOE) is needed to assess listing status.
Nine lines of evidence are available in the administrative record to assess this pollutant. One of the 8 nitrate samples exceed the water quality objectives for the Agriculture beneficial use. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is supported and a minimum of two exceedances is needed to determine if beneficial uses are not supported using table 3.1. Therefore, the use support rating is set to 'insufficient information'. However, seven of the eight nitrate samples and 10 of the 11 nitrate/nitrite samples exceed the water quality objectives for the Municipal and Domestic Supply beneficial use. Eight of the 8 nitrate samples and 10 of the 11 nitrate/nitrite samples exceed the evaluation guideline (Central Coast Region Technical Report, 2010) for Cold and Warm Freshwater Habitat. In addition, the following evidence supports the conclusion that nitrate contributes to or causes a bio stimulatory effect in this water segment. 1) Water column chlorophyll a concentration ranged from 0.21 to 330 ug/L, at times exceeding screening threshold of 15 ug/L (R3 NNE Technical Report, 2010). 2) Using site-specific data from this waterbody, the California Benthic Biomass Predictor Tool, v. 13 (Tetratech, 2007) predicted a benthic algal contribution to oxygen deficit for this water body of 4.3 mg/L. This exceeds the screening threshold for benthic algal contribution to oxygen deficit of 1.25 mg/L (R3 NNE Technical Report, 2010). 3) Using site-specific data from this waterbody, the California Benthic Biomass Predictor Tool, v. 13, QUAL2K model (Tetratech, 2007) predicted algae biomass of 86 g/m2 ash-free dry weight (AFDW). This exceeds the Cold water screening threshold for algae biomass of 60 grams/m2 and the warm water screening threshold of 80 grams/m2, respectively (Creager, et al., 2006). 4) Using site-specific data from this waterbody, the California Benthic Biomass Predictor Tool, v. 13 (Tetratech, 2007) predicted a benthic chlorophyll a concentration of 216 mg/m2. This exceeds the Cold water screening threshold of 150 mg/m2 and the Warm water screening threshold of 200 mg/m2 (Creager, et al., 2006). Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the section 303(d) list. However, there is sufficient justification to place it in the Being Addressed portion of the 303(d) list because a TMDL has been completed and approved by RWQCB and USEPA, and is expected to result in attainment of the standard. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 4.1 of the Policy. 2. The data used satisfies the data quantity requirements of section 4.1 of the Policy. 3. Seven of the eight nitrate samples and 10 of the 11 nitrate/nitrite samples exceed the water quality objectives for the Municipal and Domestic Supply beneficial use. These exceed the allowable frequency listed in Table 4.1 of the Listing Policy. 4. Eight of the 8 nitrate samples and 10 of the 11 nitrate/nitrite samples exceed the evaluation guideline for Cold and Warm Freshwater Habitat and there is evidence supporting the conclusion that nitrate contributes to or causes a bio stimulatory effect in this water segment. 5. The Lower Salinas River Watershed Nutrient TMDL has been approved by the Central Coast Water Board in 2013 and approved by USEPA on 10/13/15. 6. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 4.1 of the Policy. 2. The data used satisfies the data quantity requirements of section 4.1 of the Policy. 3. Seven of the eight nitrate samples and 10 of the 11 nitrate/nitrite samples exceed the water quality objectives for the Municipal and Domestic Supply beneficial use. These exceed the allowable frequency listed in Table 4.1 of the Listing Policy. 4. Eight of the 8 nitrate samples and 10 of the 11 nitrate/nitrite samples exceed the evaluation guideline for Cold and Warm Freshwater Habitat and there is evidence supporting the conclusion that nitrate contributes to or causes a bio stimulatory effect in this water segment. 5. The Lower Salinas River Watershed Nutrient TMDL has been approved by the Central Coast Water Board in 2013 and approved by USEPA on 10/13/15. 6. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 10057 | ||||
| Pollutant: | Nitrate | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Agricultural Supply | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 1 of 6 samples exceed the criterion for Nitrate as N. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain concentrations of chemical constituents in amounts which adversely affect the agricultural beneficial use. Interpretation of adverse effect shall be as derived from the University of California Agricultural Extension Service guidelines provided in Table 3-3 (Central Coast Waterboard Basin Plan, Chapter III, Section II.A.2 Objectives for all Inland and Surface Waters, Enclosed Bays and Estuaries). In Table 3-3 of the Basin Plan (page III-8), water quality guidelines state that severe problems may occur when nitrate exceeds 30 mg/L NO3 as N in irrigation supply water. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 52985 | ||||
| Pollutant: | Nitrate/Nitrite (Nitrite + Nitrate as N) | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Total | ||||
| Beneficial Use: | Municipal & Domestic Supply | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 10 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 10 of 11 samples exceed the criterion for Nitrate/Nitrite as N. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The California Maximum Contaminant Level for nitrate + nitrite (as N) that is incorporated by reference in the Water Quality Control Plan, Central Coast Region is 10.0 mg/L (California Code of Regulation, Title 22, Division 4, Chapter 15, Section 64431, Table 64431-A). | ||||
| Objective/Criterion Reference: | Maximum Contaminant Levels for organic and inorganic chemicals. CCR | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 52999 | ||||
| Pollutant: | Nitrate | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 2 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 2 of 2 samples exceed the criterion for Nitrate as N. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | Technical approach to develop nutrient numeric endpoints for California, Tetra Tech, June 2006. The Central Coast Region numeric target for maximum nitrate concentration is based on the Tetra Tech NNE (Nutrient Numeric Endpoint) Model and CCAMP data for 193 sites, monitored monthly for at least 1 year between January 1998 and December 2006. The model numeric target for aquatic life habitats in the Central Coast Region is 1.0 mg/L Nitrate as N. | ||||
| Guideline Reference: | Staff Report Division of Water Quality Nutrient Screening Tools for Use in the Clean Water Act Section 303(d) Listing Process | ||||
| Technical Approach to Develop Nutrient Numeric Endpoints for California. U.S. EPA Region IX. State Water Resources Control Board. 68-C-02-108-To-111 | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 10/30/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 27847 | ||||
| Pollutant: | Nitrate | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 6 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Data for this assessment unit was collected by one monitoring project: CCAMP Salinas (Salinas) | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Water Quality Data_file1 | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses (general objective for biostimulatory substances, Water Quality Control Plan, Central Coast Basin, Chapter III, Section II). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | Technical approach to develop nutrient numeric endpoints for California, Tetra Tech, June 2006. The Central Coast Region numeric target for maximum nitrate concentration is based on the Tetra Tech NNE (Nutrient Numeric Endpoint) Model and CCAMP data for 193 sites, monitored monthly for at least 1 year between January 1998 and December 2006. The model numeric target for aquatic life habitats in the Central Coast Region is 1.0 mg/L Nitrate as N. | ||||
| Guideline Reference: | Technical Approach to Develop Nutrient Numeric Endpoints for California. U.S. EPA Region IX. State Water Resources Control Board. 68-C-02-108-To-111 | ||||
| Central Coast RegionTechnical Paper: Interpreting Narrative Objectives for Biostimulatory Substances for California Central Coast Waters. This method uses the Technical Approach for Developing California Nutrient Numeric Endpoints. | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 52988 | ||||
| Pollutant: | Nitrate | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Agricultural Supply | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for Nitrate as N. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain concentrations of chemical constituents in amounts which adversely affect the agricultural beneficial use. Interpretation of adverse effect shall be as derived from the University of California Agricultural Extension Service guidelines provided in Table 3-3 (Central Coast Waterboard Basin Plan, Chapter III, Section II.A.2 Objectives for all Inland and Surface Waters, Enclosed Bays and Estuaries). In Table 3-3 of the Basin Plan (page III-8), water quality guidelines state that severe problems may occur when nitrate exceeds 30 mg/L NO3 as N in irrigation supply water. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 10/30/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 52987 | ||||
| Pollutant: | Nitrate | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Municipal & Domestic Supply | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 2 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 2 of 2 samples exceed the criterion for Nitrate as N. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The California Maximum Contaminant Level for nitrate (NO3 as N) incorporated by reference in the Water Quality Control Plan, Central Coast Region is 10.0 mg/L (Water Quality Control Plan, Central Coast Region). | ||||
| Objective/Criterion Reference: | Maximum Contaminant Levels for organic and inorganic chemicals. CCR | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 10/30/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53000 | ||||
| Pollutant: | Nitrate | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 2 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 2 of 2 samples exceed the criterion for Nitrate as N. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | Technical approach to develop nutrient numeric endpoints for California, Tetra Tech, June 2006. The Central Coast Region numeric target for maximum nitrate concentration is based on the Tetra Tech NNE (Nutrient Numeric Endpoint) Model and CCAMP data for 193 sites, monitored monthly for at least 1 year between January 1998 and December 2006. The model numeric target for aquatic life habitats in the Central Coast Region is 1.0 mg/L Nitrate as N. | ||||
| Guideline Reference: | Staff Report Division of Water Quality Nutrient Screening Tools for Use in the Clean Water Act Section 303(d) Listing Process | ||||
| Technical Approach to Develop Nutrient Numeric Endpoints for California. U.S. EPA Region IX. State Water Resources Control Board. 68-C-02-108-To-111 | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 10/30/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 27845 | ||||
| Pollutant: | Nitrate | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 6 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Data for this assessment unit was collected by one monitoring project: CCAMP Salinas (Salinas). | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Water Quality Data_file1 | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses (general objective for biostimulatory substances, Water Quality Control Plan, Central Coast Basin, Chapter III, Section II). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | Technical approach to develop nutrient numeric endpoints for California, Tetra Tech, June 2006. The Central Coast Region numeric target for maximum nitrate concentration is based on the Tetra Tech NNE (Nutrient Numeric Endpoint) Model and CCAMP data for 193 sites, monitored monthly for at least 1 year between January 1998 and December 2006. The model numeric target for aquatic life habitats in the Central Coast Region is 1.0 mg/L Nitrate as N. | ||||
| Guideline Reference: | Technical Approach to Develop Nutrient Numeric Endpoints for California. U.S. EPA Region IX. State Water Resources Control Board. 68-C-02-108-To-111 | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ]. | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 10058 | ||||
| Pollutant: | Nitrate | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Municipal & Domestic Supply | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 5 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 5 of 6 samples exceed the criterion for Nitrate as N. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | The Water Quality Control Plan, Central Coast Basin Objective for municipal and domestic supply uses of inland surface waters (Section II.A.2) states the following: waters shall not contain concentrations of chemical constituents in excess of the limits specified in California Code of Regulations, Title 22, Article 4, Chapter 15, Section 64435, Tables 2 and 3 as listed in Table 3-2. The maximum contaminant level listed in Table 3-2 (inorganic and fluoride concentrations not to be exceeded in domestic or municipal supply) for nitrate is 10.0 mg/L (NO3 as N). | ||||
| Objective/Criterion Reference: | Title 22, Division 4, Ch. 15, Article 4, Section 64431, Table 64431-A | ||||
| Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | |||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
DECISION ID |
71490 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Boron |
| Final Listing Decision: | Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Do Not List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for placement on the section 303(d) list under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status.
One line of evidence is available in the administrative record to assess this pollutant. Zero of the six samples exceed the water quality objective for agricultural uses. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is supported and a minimum of five exceedances is needed to determine if beneficial uses are not supported using table 3.1. Therefore, the use support rating is set to 'insufficient information'. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of six samples exceeded the objective but this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 10041 | ||||
| Pollutant: | Boron | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Dissolved | ||||
| Beneficial Use: | Agricultural Supply | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 6 samples exceed the criterion for Boron, dissolved. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain concentrations of chemical constituents in amounts which adversely affect the agricultural beneficial use. In addition, waters used for irrigation and livestock watering shall not exceed concentrations for those chemicals listed in Table 3.4 (Water Quality Control Plan, Central Coast Basin, Chapter III, Section II.A.2 Objectives for all Inland and Surface Waters, Enclosed Bays and Estuaries). Table 3-4 (page III-9) lists the maximum concentration for boron for irrigation supply is 0.75 mg/L. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
DECISION ID |
71648 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Chloride |
| Final Listing Decision: | Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Do Not List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | No new data were assessed.
This pollutant is being considered for placement on the section 303(d) list under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence is necessary to assess listing status. One line of evidence is available in the administrative record to assess this pollutant. Three of the samples exceed the water quality objective for agricultural uses. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 26 samples is needed to determine if a beneficial use is supported and a minimum of five exceedances is needed to determine if beneficial uses are not supported using table 3.2. Therefore, the use support rating is set to 'insufficient information'. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Three of six samples exceeded the objective but this does not exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current cycle. The decision has not changed. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 10042 | ||||
| Pollutant: | Chloride | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Agricultural Supply | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 3 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 3 of 6 samples exceed the criterion for Chloride. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain concentrations of chemical constituents in amounts which adversely affect the agricultural beneficial use. Interpretation of adverse effect shall be as derived from the University of California Agricultural Extension Service guidelines provided in Table 3-3 (Central Coast Waterboard Basin Plan, Chapter III, Section II.A.2 Objectives for all Inland and Surface Waters, Enclosed Bays and Estuaries). In Table 3-3 of the Basin Plan (page III-8), water quality guidelines state that severe problems may occur when chloride exceeds 106 mg/L in irrigation supply water. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
DECISION ID |
75306 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Dieldrin |
| Final Listing Decision: | Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Do Not List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | No new data were assessed.
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List. Two lines of evidence are available in the administrative record to assess this pollutant. Neither sample exceeds the Evaluation Guideline (MacDonald et al. 2000) as it applies to aquatic life objectives. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is supported and a minimum of two exceedances is needed to determine if beneficial uses are not supported using table 3.1. Therefore, the use support rating is set to 'insufficient information'. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Neither sample exceeds the Evaluation Guideline and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current cycle. The decision has not changed. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 19499 | ||||
| Pollutant: | Dieldrin | ||||
| LOE Subgroup: | Pollutant-Sediment | ||||
| Matrix: | Sediment | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Aquatic Life Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed Don Westin Toxicity study (R3_Weston) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for Dieldrin. | ||||
| Data Reference: | Final Data File used for assessment: Don Weston Salinas Toxicity Data | ||||
| Final Data File used for assessment: Don Weston_Salinas CCMP Data | |||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations which are toxic to, or which produce detrimental physiological responses in, human, plant, animal, or aquatic life. (Water Quality Control Plan, Central Coast Basin, General Objective Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | In fresh water sediments the probable effects level (predictive of sediment toxicity) for dieldrin is 61.8 ug/Kg dry weight (MacDonald et al. 2000). | ||||
| Guideline Reference: | Development and evaluation of consensus-based sediment effect concentrations for polychlorinated biphenyls. Environmental Toxicology and Chemistry. 19(5): 1403-1413 | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 2 monitoring sites [ 309SA1 - Alisal Creek at Old Stage Road, 309SA2 - Alisal Creek at Alisal Road] | ||||
| Temporal Representation: | Data was collected on a single day 9/23/2005. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | No QAPP was prepared specifically for this project. However the work was conducted consistent with an approved QAPP from a previous project. That QAPP is available upon request. | ||||
| QAPP Information Reference(s): | e-mail clarifying QAPP information | ||||
|
|||||
| LOE ID: | 19498 | ||||
| Pollutant: | Dieldrin | ||||
| LOE Subgroup: | Pollutant-Sediment | ||||
| Matrix: | Sediment | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed Don Westin Toxicity study (R3_Weston) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for Dieldrin. | ||||
| Data Reference: | Final Data File used for assessment: Don Weston Salinas Toxicity Data | ||||
| Final Data File used for assessment: Don Weston_Salinas CCMP Data | |||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations which are toxic to, or which produce detrimental physiological responses in, human, plant, animal, or aquatic life. (Water Quality Control Plan, Central Coast Basin, General Objective Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | In fresh water sediments the probable effects level (predictive of sediment toxicity) for dieldrin is 61.8 ug/Kg dry weight (MacDonald et al. 2000). | ||||
| Guideline Reference: | Development and evaluation of consensus-based sediment effect concentrations for polychlorinated biphenyls. Environmental Toxicology and Chemistry. 19(5): 1403-1413 | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 2 monitoring sites [ 309SA1 - Alisal Creek at Old Stage Road, 309SA2 - Alisal Creek at Alisal Road] | ||||
| Temporal Representation: | Data was collected on a single day 9/23/2005. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | No QAPP was prepared specifically for this project. However the work was conducted consistent with an approved QAPP from a previous project. That QAPP is available upon request. | ||||
| QAPP Information Reference(s): | e-mail clarifying QAPP information | ||||
DECISION ID |
75576 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Endrin |
| Final Listing Decision: | Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Do Not List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | No new data were assessed.
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List. Two lines of evidence are available in the administrative record to assess this pollutant. Neither sample exceeds the Evaluation Guideline (MacDonald et al. 2000) as it applies to aquatic life objectives. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is supported and a minimum of two exceedances is needed to determine if beneficial uses are not supported using table 3.1. Therefore, the use support rating is set to 'insufficient information'. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Neither sample exceeds the Evaluation Guideline and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current cycle. The decision has not changed. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 19549 | ||||
| Pollutant: | Endrin | ||||
| LOE Subgroup: | Pollutant-Sediment | ||||
| Matrix: | Sediment | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Aquatic Life Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed Don Westin Toxicity study (R3_Weston) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for Endrin. | ||||
| Data Reference: | Final Data File used for assessment: Don Weston Salinas Toxicity Data | ||||
| Final Data File used for assessment: Don Weston_Salinas CCMP Data | |||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations which are toxic to, or which produce detrimental physiological responses in, human, plant, animal, or aquatic life. (Water Quality Control Plan, Central Coast Basin, General Objective Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | In fresh water sediments the probable effects level (predictive of sediment toxicity) for endrin is 207 ug/Kg dry weight (MacDonald et al. 2000). | ||||
| Guideline Reference: | Development and evaluation of consensus-based sediment effect concentrations for polychlorinated biphenyls. Environmental Toxicology and Chemistry. 19(5): 1403-1413 | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 2 monitoring sites [ 309SA1 - Alisal Creek at Old Stage Road, 309SA2 - Alisal Creek at Alisal Road] | ||||
| Temporal Representation: | Data was collected on a single day 9/23/2005. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | No QAPP was prepared specifically for this project. However the work was conducted consistent with an approved QAPP from a previous project. That QAPP is available upon request. | ||||
| QAPP Information Reference(s): | e-mail clarifying QAPP information | ||||
|
|||||
| LOE ID: | 19526 | ||||
| Pollutant: | Endrin | ||||
| LOE Subgroup: | Pollutant-Sediment | ||||
| Matrix: | Sediment | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed Don Westin Toxicity study (R3_Weston) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for Endrin. | ||||
| Data Reference: | Final Data File used for assessment: Don Weston Salinas Toxicity Data | ||||
| Final Data File used for assessment: Don Weston_Salinas CCMP Data | |||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations which are toxic to, or which produce detrimental physiological responses in, human, plant, animal, or aquatic life. (Water Quality Control Plan, Central Coast Basin, General Objective Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | In fresh water sediments the probable effects level (predictive of sediment toxicity) for endrin is 207 ug/Kg dry weight (MacDonald et al. 2000). | ||||
| Guideline Reference: | Development and evaluation of consensus-based sediment effect concentrations for polychlorinated biphenyls. Environmental Toxicology and Chemistry. 19(5): 1403-1413 | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 2 monitoring sites [ 309SA1 - Alisal Creek at Old Stage Road, 309SA2 - Alisal Creek at Alisal Road] | ||||
| Temporal Representation: | Data was collected on a single day 9/23/2005. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | No QAPP was prepared specifically for this project. However the work was conducted consistent with an approved QAPP from a previous project. That QAPP is available upon request. | ||||
| QAPP Information Reference(s): | e-mail clarifying QAPP information | ||||
DECISION ID |
71657 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Oxygen, Dissolved |
| Final Listing Decision: | Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Do Not List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for placement on the section 303(d) list under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence is necessary to assess listing status.
Twelve lines of evidence are available in the administrative record to assess these pollutants. Two of the 17 samples exceed the dissolved oxygen water quality objective for Cold Freshwater Habitat but none of the 17 samples exceed the dissolved oxygen water quality objective for Warm Freshwater Habitat. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 26 samples is needed to determine if a beneficial use is supported and a minimum of five exceedances is needed to determine if beneficial uses are not supported using table 3.2. Therefore, the use support rating is set to 'insufficient information'. The Basin Plan general water quality objective for oxygen saturation states that the median value shall not fall below 85% and although 8 of 17 samples are below 85% saturation, the median of the data does not exceed (fall below) the Objective. Furthermore, the objective is only applied ¿for waters not mentioned by a specific beneficial use¿¿ and this waterbody is designated for both Cold and Warm Freshwater Habitats. Therefore, the use support rating for oxygen saturation is set at Insufficient Information. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Two of the 17 samples exceed the dissolved oxygen water quality objective for Cold Freshwater Habitat but none of the 17 samples exceed the dissolved oxygen water quality objective for Warm Freshwater Habitat. Neither of these exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 12835 | ||||
| Pollutant: | Oxygen, Dissolved | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Dissolved | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Aquatic Life Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 1 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Diurnal Dissolved Oxygen Sampling (DO) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 1 samples exceed the criterion for Oxygen, Dissolved. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Water Quality Data_file1 | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: For waters not mentioned by a specific beneficial use, dissolved oxygen concentration shall not be reduced below 5.0 mg/l at any time. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected on a single day 10/1/1999. Diurnal monitoring conducted in summer months at all CCAMP monitoring sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 53001 | ||||
| Pollutant: | Oxygen, Dissolved | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Dissolved | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for Oxygen, Dissolved. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The dissolved oxygen concentration shall not be reduced below 5.0 mg/l at any time (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 12634 | ||||
| Pollutant: | Oxygen, Dissolved | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Dissolved | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Aquatic Life Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 5 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 5 samples exceed the criterion for Oxygen, Dissolved. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: For waters not mentioned by a specific beneficial use, dissolved oxygen concentration shall not be reduced below 5.0 mg/l at any time. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 53003 | ||||
| Pollutant: | Oxygen, Dissolved | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Dissolved | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 1 of 11 samples exceed the criterion for Oxygen, Dissolved. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The dissolved oxygen concentration shall not be reduced below 7.0 mg/l at any time (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 12834 | ||||
| Pollutant: | Oxygen, Dissolved | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Dissolved | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 1 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Diurnal Dissolved Oxygen Sampling (DO) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 1 samples exceed the criterion for Oxygen, Dissolved. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Water Quality Data_file1 | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin, Cold Water Habitat Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: The dissolved oxygen concentration shall not be reduced below 7.0 mg/l at any time. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected on a single day 10/1/1999. Diurnal monitoring conducted in summer months at all CCAMP monitoring sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 12633 | ||||
| Pollutant: | Oxygen, Dissolved | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Dissolved | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 5 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 1 of 5 samples exceed the criterion for Oxygen, Dissolved. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin, Cold Water Habitat Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: The dissolved oxygen concentration shall not be reduced below 7.0 mg/l at any time. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 12636 | ||||
| Pollutant: | Dissolved oxygen saturation | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Aquatic Life Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 5 | ||||
| Number of Exceedances: | 3 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 3 of 5 samples exceed the criterion for Oxygen, Saturation. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: Median values should not fall below 85% saturation as a result of controllable water quality conditions. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 52984 | ||||
| Pollutant: | Dissolved oxygen saturation | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 4 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 4 of 11 samples exceed the criterion for Oxygen, Saturation. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Median values should not fall below 85% saturation as a result of controllable water quality conditions (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 12578 | ||||
| Pollutant: | Dissolved oxygen saturation | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Aquatic Life Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 1 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Diurnal Dissolved Oxygen Sampling (DO) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 1 of 1 samples exceed the criterion for Oxygen, Saturation. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Water Quality Data_file1 | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: Median values should not fall below 85% saturation as a result of controllable water quality conditions. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected on a single day 10/1/1999. Diurnal monitoring conducted in summer months at all CCAMP monitoring sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 12635 | ||||
| Pollutant: | Dissolved oxygen saturation | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 5 | ||||
| Number of Exceedances: | 3 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 3 of 5 samples exceed the criterion for Oxygen, Saturation. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: Median values should not fall below 85% saturation as a result of controllable water quality conditions. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 52983 | ||||
| Pollutant: | Dissolved oxygen saturation | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 4 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 4 of 11 samples exceed the criterion for Oxygen, Saturation. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Median values should not fall below 85% saturation as a result of controllable water quality conditions (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 12849 | ||||
| Pollutant: | Dissolved oxygen saturation | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 1 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Diurnal Dissolved Oxygen Sampling (DO) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 1 of 1 samples exceed the criterion for Oxygen, Saturation. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Water Quality Data_file1 | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: Median values should not fall below 85% saturation as a result of controllable water quality conditions. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected on a single day 10/1/1999. Diurnal monitoring conducted in summer months at all CCAMP monitoring sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
DECISION ID |
68149 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Specific Conductivity |
| Final Listing Decision: | Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Do Not List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for placement on the section 303(d) list under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence is necessary to assess listing status.
One line of evidence is available in the administrative record to assess this pollutant. Zero of the 11 samples exceed the water quality objective for agricultural uses. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 26 samples is needed to determine if a beneficial use is supported and a minimum of five exceedances is needed to determine if beneficial uses are not supported using table 3.2. Therefore, the use support rating is set to 'insufficient information'. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of the 11 samples exceeded the water quality objective and this does not exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 53010 | ||||
| Pollutant: | Specific Conductivity | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Agricultural Supply | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for Conductivity(Us). | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain concentrations of chemical constituents in amounts which adversely affect the agricultural beneficial use. Interpretation of adverse effect shall be as derived from the University of California Agricultural Extension Service guidelines provided in Table 3-3 (Central Coast Waterboard Basin Plan, Chapter III, Section II.A.2 Objectives for all Inland and Surface Waters, Enclosed Bays and Estuaries). In Table 3-3 of the Basin Plan (page III-8), water quality guidelines state that severe problems may occur when conductivity exceeds 3.0 mS/cm in irrigation supply water. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
DECISION ID |
68758 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Temperature, water |
| Final Listing Decision: | Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Do Not List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for placement on the section 303(d) list under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence is necessary to assess listing status.
One line of evidence is available in the administrative record to assess this pollutant. Four of the 11 samples exceed the water quality objective. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 26 samples is needed to determine if a beneficial use is supported and a minimum of five exceedances is needed to determine if beneficial uses are not supported using table 3.2. Therefore, the use support rating is set to 'insufficient information'. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Four of the 11 samples exceeded the evaluation guideline for the protection of Cold Freshwater Fish Habitat but this does not exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 53012 | ||||
| Pollutant: | Temperature, water | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 4 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 4 of 11 samples exceed the criterion for Water Temperature. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Natural receiving water temperature of intrastate waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | The optimum range for growth and completion of most life stages of rainbow trout is 13-21 degrees Celsius (Moyle 1976). | ||||
| Guideline Reference: | Inland Fishes of California | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
DECISION ID |
83381 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | pH |
| Final Listing Decision: | Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Do Not List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for placement on the section 303(d) list under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence is necessary to assess listing status.
Six lines of evidence are available in the administrative record to assess this pollutant. None of the 11 samples exceed any of the water quality objectives. This sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 26 samples is needed to determine if a beneficial use is supported and a minimum of five exceedances is needed to determine if beneficial uses are not supported using table 3.2. Therefore, the use support rating is set to 'insufficient information'. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. None of the 11 samples exceed any of the water quality objectives and this does not exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 53009 | ||||
| Pollutant: | pH | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Agricultural Supply | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for pH. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain concentrations of chemical constituents in amounts which adversely affect the agricultural beneficial use. Interpretation of adverse effect shall be as derived from the University of California Agricultural Extension Service guidelines provided in Table 3-3 (Central Coast Region Basin Plan, Chapter III, Section II.A.2 Objectives for all Inland and Surface Waters, Enclosed Bays and Estuaries). In Table 3-3 of the Basin Plan (page III-8), water quality guidelines state that severe problems may occur when pH is greater than 8.4 or less than 6.5 in irrigation supply water. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53005 | ||||
| Pollutant: | pH | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for pH. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The pH value shall not be depressed below 7.0 or raised above 8.5 (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53004 | ||||
| Pollutant: | pH | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Municipal & Domestic Supply | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for pH. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The pH value shall not be depressed below 6.5 or raised above 8.3 (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53007 | ||||
| Pollutant: | pH | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Non-Contact Recreation | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for pH. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The pH value shall neither be depressed below 6.5 nor raised above 8.3 (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53008 | ||||
| Pollutant: | pH | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Water Contact Recreation | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for pH. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The pH value shall neither be depressed below 6.5 nor raised above 8.3 (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53006 | ||||
| Pollutant: | pH | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for pH. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | The pH value shall not be depressed below 7.0 or raised above 8.5 (Basin Plan). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
DECISION ID |
71179 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Sodium |
| Final Listing Decision: | List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Sources: | Source Unknown |
| Expected TMDL Completion Date: | 2027 |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | No new data were assessed.
This pollutant is being considered for placement on the section 303(d) list under sections 2.1 and 3.2 of the Listing Policy. One line of evidence is available in the administrative record to assess this pollutant. Six of the six samples exceed the water quality objective for agricultural uses. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Six of 6 samples exceeded the Agricultural Supply water quality objective and this exceeds the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current cycle. The decision has not changed. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 10059 | ||||
| Pollutant: | Sodium | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Agricultural Supply | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 6 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 6 of 6 samples exceed the criterion for Sodium. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall not contain concentrations of chemical constituents in amounts which adversely affect the agricultural beneficial use. Interpretation of adverse effect shall be as derived from the University of California Agricultural Extension Service guidelines provided in Table 3-3 (Central Coast Waterboard Basin Plan, Chapter III, Section II.A.2 Objectives for all Inland and Surface Waters, Enclosed Bays and Estuaries). In Table 3-3 of the Basin Plan (page III-8), water quality guidelines state that severe problems may occur when sodium exceeds 69 mg/L in irrigation supply water. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
DECISION ID |
76563 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Toxicity |
| Final Listing Decision: | List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Sources: | Source Unknown |
| Expected TMDL Completion Date: | 2018 |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for placement on the section 303(d) list under section 3.1 and section 3.6 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status. Under section 3.6 at least one line of evidence is necessary to assess listing status and a water segment shall be placed on the section 303(d) List if the water segment exhibits statistically significant water or sediment toxicity using the binomial distribution as described in section 3.1 of the Listing Policy.
The pollutant name has been changed to Toxicity. In previous listing cycles, separate fact sheets were developed for Sediment Toxicity and Unknown Toxicity (AKA water toxicity). In this current assessment cycle, those two fact sheets and all of the associated LOEs are combined into this single fact sheet for Toxicity. Five lines of evidence are available in the administrative record to assess this pollutant. One sample can have multiple toxicity test results but will be counted only once. One sample is defined as being collected on the same day at the same location with the same lab sample id (if provided). Four LOEs summarize sediment samples. Two sediment samples are summarized in LOEs with the test organism name as the pollutant (i.e. invertebrate toxicity) and one sample is summarized in LOEs with the pollutant name ¿toxicity¿. Therefore, three total samples are available to assess this pollutant. Two of the three samples exceed the water quality objective for aquatic life protection because they resulted in a significant toxic effect to the test organisms. One LOE summarizes water samples. All three water samples resulted in a significant toxic effect to one or more test organisms and therefore exceed the water quality objective for aquatic life protection. Although the Lower Salinas River Watershed Chlorpyrifos and Diazinon TMDL addresses the water toxicity impairment and has been approved by USEPA, the sediment toxicity impairment is not yet addressed by an approved TMDL. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Two of the 3 sediment samples and all three water samples exceed the Water Quality Objective for toxicity and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be placed on the section 303(d) list because applicable water quality standards are exceeded and a pollutant contributes to or causes the problem. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 23550 | ||||
| Pollutant: | Invertebrate Toxicity | ||||
| LOE Subgroup: | Toxicity | ||||
| Matrix: | Sediment | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | TOXICITY TESTING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed Don Westin Toxicity study (R3_Weston) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 1 of 2 samples exceed the criterion for Toxicity, Hyalella azteca Survival (%) 10 days. Toxicity is defined by SWAMP (2004) as follows: Significant toxicity in the survival endpoint when compared to the negative control based on a statistical test with alpha of less than 5%, and less than the evaluation threshold (both criteria are met). | ||||
| Data Reference: | Final Data File used for assessment: Don Weston Salinas Toxicity Data | ||||
| Final Data File used for assessment: Don Weston_Salinas CCMP Data | |||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations which are toxic to, or which produce detrimental physiological responses in, human, plant, animal, or aquatic life. Compliance with this objective will be determined by use of indicator organisms, analyses of species diversity, population density, growth anomalies, toxicity bioassays of appropriate duration, or other appropriate methods as specified by the Regional Board (Water Quality Control Plan, Central Coast Basin, Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | Significant reduction of survival of test organism relative to the control (alpha < 0.05) and test organism survival is 20% less than the control survival. | ||||
| Guideline Reference: | Quality Assurance Management Plan for the State of California's Surface Water Ambient Monitoring Program. Sacramento, CA. State Water Resources Control Board. SWAMP. December 2002 (1st version) | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 2 monitoring sites [ 309SA1 - Alisal Creek at Old Stage Road, 309SA2 - Alisal Creek at Alisal Road] | ||||
| Temporal Representation: | Data was collected on a single day 9/23/2005. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | No QAPP was prepared specifically for this project. However the work was conducted consistent with an approved QAPP from a previous project. That QAPP is available upon request. | ||||
| QAPP Information Reference(s): | e-mail clarifying QAPP information | ||||
|
|||||
| LOE ID: | 23551 | ||||
| Pollutant: | Invertebrate Toxicity | ||||
| LOE Subgroup: | Toxicity | ||||
| Matrix: | Sediment | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Aquatic Life Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 2 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | TOXICITY TESTING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed Don Westin Toxicity study (R3_Weston) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 1 of 2 samples exceed the criterion for Toxicity, Hyalella azteca Survival (%) 10 days. Toxicity is defined by SWAMP (2004) as follows: Significant toxicity in the survival endpoint when compared to the negative control based on a statistical test with alpha of less than 5%, and less than the evaluation threshold (both criteria are met). | ||||
| Data Reference: | Final Data File used for assessment: Don Weston Salinas Toxicity Data | ||||
| Final Data File used for assessment: Don Weston_Salinas CCMP Data | |||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations which are toxic to, or which produce detrimental physiological responses in, human, plant, animal, or aquatic life. Compliance with this objective will be determined by use of indicator organisms, analyses of species diversity, population density, growth anomalies, toxicity bioassays of appropriate duration, or other appropriate methods as specified by the Regional Board (Water Quality Control Plan, Central Coast Basin, Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) | ||||
| Evaluation Guideline: | Significant reduction of survival of test organism relative to the control (alpha < 0.05) and test organism survival is 20% less than the control survival. | ||||
| Guideline Reference: | Quality Assurance Management Plan for the State of California's Surface Water Ambient Monitoring Program. Sacramento, CA. State Water Resources Control Board. SWAMP. December 2002 (1st version) | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 2 monitoring sites [ 309SA1 - Alisal Creek at Old Stage Road, 309SA2 - Alisal Creek at Alisal Road] | ||||
| Temporal Representation: | Data was collected on a single day 9/23/2005. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | No QAPP was prepared specifically for this project. However the work was conducted consistent with an approved QAPP from a previous project. That QAPP is available upon request. | ||||
| QAPP Information Reference(s): | e-mail clarifying QAPP information | ||||
|
|||||
| LOE ID: | 78941 | ||||
| Pollutant: | Toxicity | ||||
| LOE Subgroup: | Toxicity | ||||
| Matrix: | Sediment | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 1 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | TOXICITY TESTING | ||||
| Data Used to Assess Water Quality: | One sample was collected to evaluate sediment toxicity. The sample exhibited significant toxicity to Hyallella azteca growth and survival (4/17/08). The toxicity tests for the samples included growth and survival of Hyalella azteca. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | Significant effect is defined here using a two-tier approach consistent with the method used by the SWAMP program. The effect must be significant when compared to the control sample based on statistical test alpha level of 0.05 (Probability field in data set) AND the mean must be more than 20 percent different from the control (PercentControl field in data set). | ||||
| Guideline Reference: | Methods for Measuring the Acute Toxicity of Effluents and Receiving Waters to Freshwater and Marine Organisms, Fifth Edition. EPA-821-R-02-012 | ||||
| Spatial Representation: | The samples were collected at 309HRT Alisal Creek at Hartnell Rd. | ||||
| Temporal Representation: | The sample was collected in April 2008. | ||||
| Environmental Conditions: | |||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. QAPP for the Cooperative Monitoring program for Agriculture in Region 3. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53015 | ||||
| Pollutant: | Toxicity | ||||
| LOE Subgroup: | Toxicity | ||||
| Matrix: | Sediment | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 1 | ||||
| Number of Exceedances: | 1 | ||||
| Data and Information Type: | TOXICITY TESTING | ||||
| Data Used to Assess Water Quality: | One sample was collected to evaluate sediment toxicity. The sample exhibited significant toxicity to Hyallella azteca growth and survival (4/17/08). The toxicity tests for the samples included growth and survival of Hyalella azteca. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | Significant effect is defined here using a two-tier approach consistent with the method used by the SWAMP program. The effect must be significant when compared to the control sample based on statistical test alpha level of 0.05 (Probability field in data set) AND the mean must be more than 20 percent different from the control (PercentControl field in data set). | ||||
| Guideline Reference: | Methods for Measuring the Toxicity and Bioaccumulation of Sediment-associated Contaminants with Freshwater Invertebrates, Second Edition. U.S. Environmental Protection Agency Office of Research and Development, Duluth, MI , U.S. Environmental Protection Agency Office of Water, Washington, DC EPA-600/R-99/064 | ||||
| SWAMP_Memo_Toxicity_Data_Intrepretation | |||||
| Spatial Representation: | The samples were collected at 309HRT Alisal Creek at Hartnell Rd. | ||||
| Temporal Representation: | The sample was collected in April 2008. | ||||
| Environmental Conditions: | |||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. QAPP for the Cooperative Monitoring program for Agriculture in Region 3. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53014 | ||||
| Pollutant: | Toxicity | ||||
| LOE Subgroup: | Toxicity | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 3 | ||||
| Number of Exceedances: | 3 | ||||
| Data and Information Type: | TOXICITY TESTING | ||||
| Data Used to Assess Water Quality: | Three samples were collected to evaluate water toxicity. All three samples exhibited significant toxicity. The toxicity tests for the samples included survival and reproduction of Ceriodaphnia dubia. The samples were toxic to Ceriodaphnia dubia reproduction and survival (10/1/08, 1/24/08, 1/25/08). | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | Significant effect is defined here using a two-tier approach consistent with the method used by the SWAMP program. The effect must be significant when compared to the control sample based on statistical test alpha level of 0.05 (Probability field in data set) AND the mean must be more than 20 percent different from the control (PercentControl field in data set). | ||||
| Guideline Reference: | SWAMP_Memo_Toxicity_Data_Intrepretation | ||||
| Spatial Representation: | The samples were collected at 309HRT Alisal Creek at Hartnell Rd. | ||||
| Temporal Representation: | The samples were collected in 2008. | ||||
| Environmental Conditions: | |||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. QAPP for the Cooperative Monitoring program for Agriculture in Region 3. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
DECISION ID |
72335 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Turbidity |
| Final Listing Decision: | List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | List on 303(d) list (TMDL required list)(2016) |
| Revision Status | Original |
| Sources: | Source Unknown |
| Expected TMDL Completion Date: | 2023 |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for placement on the section 303(d) list under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence is necessary to assess listing status.
Two lines of evidence are available in the administrative record to assess this pollutant. All 11 samples exceed the evaluation guidelines for Cold Freshwater Habitat (Sigler et al. 1984) and for Warm Freshwater Habitat (Shoup, D.E. and Wahl D.H., 2009). Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. All 11 samples exceed the evaluation guidelines and this exceeds the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be placed on the section 303(d) list because applicable water quality standards are exceeded and a pollutant contributes to or causes the problem. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
|||||
| LOE ID: | 53017 | ||||
| Pollutant: | Turbidity | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Total | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 11 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 11 of 11 samples exceed the criterion for Turbidity(NTU). | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall be free of changes in turbidity that cause nuisance or adversely affect beneficial uses. Water Quality Control Plan, Central Coast Basin, Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | Sigler et al. (1984) states that turbidities of 25 NTU's or greater caused reduction in juvenile salmonid growth due to interference with their ability to find food. | ||||
| Guideline Reference: | Effects of chronic turbidity on density and growth of steelheads and coho salmon. Transactions of the American Fisheries Society 113:142-150 | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 53016 | ||||
| Pollutant: | Turbidity | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Total | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 11 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 11 of 11 samples exceed the criterion for Turbidity(NTU). | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Waters shall be free of changes in turbidity that cause nuisance or adversely affect beneficial uses. Water Quality Control Plan, Central Coast Basin, Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries. | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | Shoup, D.E. and D.H. Wahl (2009) states that largemouth bass had more difficulty in capturing rapidly moving fish prey at 40 NTU and the overall foraging rate was much lower. | ||||
| Guideline Reference: | The Effects of Turbidity on Prey Selection by Piscivorous Largemouth Bass | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
DECISION ID |
73231 |
Region 3 |
Alisal Creek (Monterey County) |
||
| Pollutant: | Ammonia |
| Final Listing Decision: | List on 303(d) list (being addressed by USEPA approved TMDL) |
| Last Listing Cycle's Final Listing Decision: | List on 303(d) list (being addressed by USEPA approved TMDL)(2016) |
| Revision Status | Original |
| Sources: | Agriculture | Grazing-Related Sources |
| TMDL Name: | Salinas River Nutrients |
| TMDL Project Code: | 87 |
| Date TMDL Approved by USEPA: | 10/13/2015 |
| Impairment from Pollutant or Pollution: | Pollutant |
| Regional Board Conclusion: | This pollutant is being considered for placement on the section 303(d) list under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status.
Four lines of evidence (LOEs) are available in the administrative record to assess this pollutant. Two LOEs summarize unionized ammonia data in which five of 11 samples exceed the Basin Plan general objective for unionized ammonia set to protect aquatic life. Two LOEs summarize total ammonia data in which zero of the 17 samples exceed the EPA's Lifetime Health advisory level for total ammonia in drinking water. This decision replaces thepreviously approved decision for total ammonia (Decision 22717) and contains all of the LOEs from that decisions in addition to new LOEs. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This water body - pollutant combination should be placed in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by RWQCB and USEPA, and is expected to result in attainment of the standard. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Five of 11 samples exceed the Basin Plan general objective for unionized ammonia and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy. 4. The Lower Salinas River Watershed Nutrient TMDL has been approved by USEPA on 10/13/2015. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. |
| Regional Board Decision Recommendation: | After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be placed on the Being Addressed portion of the 303(d) list because a TMDL has been completed and approved by RWQCB and USEPA however, applicable water quality standards are exceeded and a pollutant contributes to or causes the problem. |
| State Board Staff Review of Regional Board Conclusion and Recommendation: | |
| State Board Decision Recommendation: | After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
|
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| LOE ID: | 52980 | ||||
| Pollutant: | Ammonia as Nitrogen | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | Total | ||||
| Beneficial Use: | Municipal & Domestic Supply | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | State Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 0 of 11 samples exceed the criterion for Ammonia As N, Total. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life. (Basin Plan) | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | USEPA's Lifetime Health advisory level for total ammonia is 30.0 mg/L as stated on page 8 of the 2011 edition of the drinking water standards and health advisories. (EPA 822-R-06-013, 2011). | ||||
| Guideline Reference: | 2011 Edition of the Drinking Water Standards and Health Advisories | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 10028 | ||||
| Pollutant: | Ammonia as Nitrogen | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Municipal & Domestic Supply | ||||
| Number of Samples: | 6 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed CCAMP Salinas (Salinas) data for Alisal Creek (Salinas) to determine beneficial use support and results are as follows: 0 of 6 samples exceed the criterion for Ammonia as N, Total. | ||||
| Data Reference: | Final Data File used for assessment: CCAMP Salinas Toxicity data | ||||
| Final Data File used for assessment: CCAMP Water Quality Data_file1 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file2 | |||||
| Final Data File used for assessment: CCAMP Water Quality Data_file3 | |||||
| SWAMP Data: | SWAMP | ||||
| Water Quality Objective/Criterion: | USEPA Health Advisory 2006 Edition of the Drinking Water Standards and Health Advisories (EPA 822-R-06-013, 2006). | ||||
| Objective/Criterion Reference: | 2006 edition of the drinking water standards and health advisories. EPA 822-R-03-013 | ||||
| Evaluation Guideline: | EPA's Lifetime Health advisory level for total ammonia is 30.0 mg/L as stated on page 8 of the 2006 edition of the drinking water standards and health advisories. This Advisory Level is defined as "the concentration of a chemical in drinking water that is not expected to cause any adverse noncarcinogenic effects for up to ten days of exposure." | ||||
| Guideline Reference: | 2006 edition of the drinking water standards and health advisories. EPA 822-R-03-013 | ||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Salinas) was collected at 1 monitoring site [ 309UAL-Salinas Reclamation Canal at Old Stage Road ] | ||||
| Temporal Representation: | Data was collected over the time period 7/28/1999-2/10/2000. Salinas watershed is one of five annual rotation areas that are monitored for conventional pollutants by CCAMP staff monthly for one year. Toxicity monitoring is conducted twice during the rotation year (winter and summer) at a subset of sites. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might effect interpretation of the data. | ||||
| QAPP Information: | All data was collected following the Standard Operating Procedures and Data Quality Objectives outlined in the SWAMP QAMP, (Puckett, 2002). QA data are included in submission. All data are flagged as appropriate. | ||||
| QAPP Information Reference(s): | |||||
|
|||||
| LOE ID: | 52978 | ||||
| Pollutant: | Ammonia (Unionized) | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Warm Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 5 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 5 of 11 samples exceed the criterion for Ammonia as N, Unionized. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin General Objective, Chapter III, Section II.A.2 (General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries) states that the discharge of wastes shall not cause concentrations of unionized ammonia (NH3) to exceed 0.025 mg/l (as N) in receiving waters (page III-4). | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||
|
|||||
| LOE ID: | 52979 | ||||
| Pollutant: | Ammonia (Unionized) | ||||
| LOE Subgroup: | Pollutant-Water | ||||
| Matrix: | Water | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Number of Samples: | 11 | ||||
| Number of Exceedances: | 5 | ||||
| Data and Information Type: | PHYSICAL/CHEMICAL MONITORING | ||||
| Data Used to Assess Water Quality: | Water Board staff assessed CMP data for Alisal Creek (Monterey County) to determine beneficial use support and results are as follows: 5 of 11 samples exceed the criterion for Ammonia as N, Unionized. | ||||
| Data Reference: | Data from Region 3 Conditional Waiver Cooperative Monitoring Program, Jan. 2007-Jun. 2010 | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | Water Quality Control Plan, Central Coast Basin General Objective, Chapter III, Section II.A.2 (General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries) states that the discharge of wastes shall not cause concentrations of unionized ammonia (NH3) to exceed 0.025 mg/l (as N) in receiving waters (page III-4) . | ||||
| Objective/Criterion Reference: | Water Quality Control Plan for the Central Coastal Basin | ||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | Data for this line of evidence for Alisal Creek (Monterey County) was collected at 1 monitoring site [ Alisal Creek (Salinas) - 309HRT] | ||||
| Temporal Representation: | Data was collected over the time period 1/25/2008-12/17/2008. | ||||
| Environmental Conditions: | Staff is not aware of any special conditions that might affect interpretation of the data. | ||||
| QAPP Information: | The data was collected for the CCRWQCB Cooperative Monitoring Program for Agriculture data and provided in SWAMP format. | ||||
| QAPP Information Reference(s): | Quality Assurance Project Plan for Monitoring for the Region 3 Conditional Ag Waiver Cooperative Monitoring Program, Revision 6 | ||||