Water Body Name: | Cache Creek, Lower (Clear Lake Dam to Cache Creek Settling Basin near Yolo Bypass) |
Water Body ID: | CAR5133202219980813161630 |
Water Body Type: | River & Stream |
Lines of Evidence (LOEs) for Decision ID 6661 |
LOE ID: | 2592 |
Pollutant: | Mercury |
LOE Subgroup: | Pollutant-Tissue |
Matrix: | Tissue |
Fraction: | Total |
Beneficial Use: | Commercial or recreational collection of fish, shellfish, or organisms |
Number of Samples: | 0 |
Number of Exceedances: | 0 |
Data and Information Type: | Not Specified |
Data Used to Assess Water Quality: | Unspecified--This LOE is a placeholder to support a 303(d) listing decision made prior to 2006. |
Data Reference: | Placeholder reference 2006 303(d) |
Water Quality Objective/Criterion: | |
Objective/Criterion Reference: | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | |
Temporal Representation: | |
Environmental Conditions: | |
QAPP Information: | QA Info Missing |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 14993 |
LOE ID: | 21733 |
Pollutant: | DDD |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Commercial or recreational collection of fish, shellfish, or organisms |
Number of Samples: | 4 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: | - Four water samples were collected from Cache Creek between April 2004 and September 2004. None of the Four samples exceeded the California Toxic Rule/USEPA (CTR/USEPA) criteria limit of 0.00083 ug/L for DDD based on a human health carcinogenic risk level of 10-6 for consumption of water and aquatic organisms.- The Four samples had a high Reporting Limit hence the data could not be used in the analysis for exceedance (Listing Policy, Section 6.5.1.1) (SWRCB, 2004). |
Data Reference: | Yolo Bypass Water Quality Management Plan Report. Prepared under CALFED Watershed Grant, Agreement # 4600001691 for the City of Woodland |
Water Quality Objective/Criterion: | - Sacramento/San Joaquin River Basin Plan (CVRWQCB, 2007) Pesticides: Total identifiable persistent chlorinated hydrocarbon pesticides shall not be present in the water column at concentrations detectable within the accuracy of analytical methods approved by the Environmental Protection Agency or the Executive Officer.- California Toxics Rule Criteria (USEPA, 2000)Inland Surface Waters based on drinking water and aquatic organism consumption. The criteria are based on human health protection for carcinogenicity at 1-in-a-million risk level (30-day average) with a limit of 0.00083 ug/L for DDD. |
Objective/Criterion Reference: | Water Quality Standards 2000. Establishment of numeric criteria for priority toxic pollutants for the State of California: Rules and regulations. Federal Register Vol. 65, No. 97. Washington, D.C.: Environmental Protection Agency |
Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Samples were collected from an input channel of Cache Creek in Yolo County. |
Temporal Representation: | Samples were collected between November 2003 and September 2004 at irregular intervals on these dates 04/23, 6/26, 8/20 and 9/21. |
Environmental Conditions: | |
QAPP Information: | Data quality: Good. Monitoring was conducted in accordance with the Quality Assurance Project Plan For Water Quality Monitoring For The Yolo Bypass Watershed Planning Project, 2003-2004 |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 14995 |
LOE ID: | 21734 |
Pollutant: | DDE |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Commercial or recreational collection of fish, shellfish, or organisms |
Number of Samples: | 6 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: | - Six water samples (30-day average) were collected from Cache Creek between January 2003 and September 2004. None of the Six samples exceeded the California Toxic Rule/USEPA (CTR/USEPA) criteria limit of 0.00059 ug/L for DDE based on a human health carcinogenic risk level of 10-6 for consumption of water and aquatic organisms.- Four samples had a high Reporting Limit hence the data could not be used in the analysis for exceedance (Listing Policy, Section 6.5.1.1) (SWRCB, 2004). |
Data Reference: | Yolo Bypass Water Quality Management Plan Report. Prepared under CALFED Watershed Grant, Agreement # 4600001691 for the City of Woodland |
Water Quality Objective/Criterion: | - Sacramento/San Joaquin River Basin Plan (CVRWQCB, 2007) Pesticides: Total identifiable persistent chlorinated hydrocarbon pesticides shall not be present in the water column at concentrations detectable within the accuracy of analytical methods approved by the Environmental Protection Agency or the Executive Officer.- California Toxics Rule Criteria (USEPA, 2000)Inland Surface Waters based on drinking water and aquatic organism consumption. The criteria are based on human health protection for carcinogenicity at 1-in-a-million risk level (30-day average) with a limit of 0.00059 ug/L for DDE. |
Objective/Criterion Reference: | Water Quality Standards 2000. Establishment of numeric criteria for priority toxic pollutants for the State of California: Rules and regulations. Federal Register Vol. 65, No. 97. Washington, D.C.: Environmental Protection Agency |
Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Samples were collected from an input channel of Cache Creek in Yolo County. |
Temporal Representation: | Samples were collected between November 2003 and September 2004 at irregular intervals on these dates 04/23, 6/26, 8/20 and 9/21. |
Environmental Conditions: | |
QAPP Information: | Data quality: Good. Monitoring was conducted in accordance with the Quality Assurance Project Plan For Water Quality Monitoring For The Yolo Bypass Watershed Planning Project, 2003-2004 |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 14997 |
LOE ID: | 21735 |
Pollutant: | DDT |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Commercial or recreational collection of fish, shellfish, or organisms |
Number of Samples: | 5 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: | - Five water samples were collected from Cache Creek between 2003 and 2004. None of the Five samples exceeded the California Toxic Rule/USEPA (CTR/USEPA) criteria limit of 0.00059 ug/L for total DDT based on a human health carcinogenic risk level of 10-6 for consumption of water and aquatic organisms.- Four samples had a high Reporting Limit hence the data could not be used in the analysis for exceedance (Listing Policy, Section 6.5.1.1) (SWRCB, 2004). |
Data Reference: | Yolo Bypass Water Quality Management Plan Report. Prepared under CALFED Watershed Grant, Agreement # 4600001691 for the City of Woodland |
Water Quality Objective/Criterion: | - Sacramento/San Joaquin River Basin Plan (CVRWQCB, 2007) Pesticides: Total identifiable persistent chlorinated hydrocarbon pesticides shall not be present in the water column at concentrations detectable within the accuracy of analytical methods approved by the Environmental Protection Agency or the Executive Officer.- California Toxics Rule Criteria (USEPA, 2000)Inland Surface Waters based on drinking water and aquatic organism consumption. The criteria are based on human health protection for carcinogenicity at 1-in-a-million risk level (30-day average) with a limit of 0.00059 ug/L for DDT. |
Objective/Criterion Reference: | Water Quality Standards 2000. Establishment of numeric criteria for priority toxic pollutants for the State of California: Rules and regulations. Federal Register Vol. 65, No. 97. Washington, D.C.: Environmental Protection Agency |
Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Samples were collected from an input channel of Cache Creek in Yolo County. |
Temporal Representation: | Samples were collected between November 2003 and September 2004 at irregular intervals on these dates 04/23, 6/26, 8/20 and 9/21. |
Environmental Conditions: | |
QAPP Information: | Data quality: Good. Monitoring was conducted in accordance with the Quality Assurance Project Plan For Water Quality Monitoring For The Yolo Bypass Watershed Planning Project, 2003-2004 |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 15000 |
LOE ID: | 21736 |
Pollutant: | Escherichia coli (E. Coli) |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 12 |
Number of Exceedances: | 4 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: | The Yolo Bypass Watershed Planning Program collected 12 samples from November 2003 to October 2004. Four of the 12 samples exceeded the evaluation objective. |
Data Reference: | Yolo Bypass Water Quality Management Plan Report. Prepared under CALFED Watershed Grant, Agreement # 4600001691 for the City of Woodland |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. The objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | In waters designated for contact recreation (REC-1), the E. coli concentration, based on a minimum of not less than five samples equally spaced over a 30-day period, shall not exceed a geometric mean of 126 MPN/100 mL and shall not exceed 235 MPN /100 mL in any single sample. |
Guideline Reference: | Ambient Water Quality Criteria for Bacteria - 1986. EPA440/5-84-002 |
Spatial Representation: | Samples were collected from Cache Creek. |
Temporal Representation: | Sampling occurred from November 2003 to October 2004. |
Environmental Conditions: | |
QAPP Information: | Data quality: Good. Monitoring was conducted in accordance with the Quality Assurance Project Plan For Water Quality Monitoring For The Yolo Bypass Watershed Planning Project, 2003-2004 |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 15001 |
LOE ID: | 21737 |
Pollutant: | Fecal Coliform |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 12 |
Number of Exceedances: | 4 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | The Yolo Bypass Watershed Planning Program collected 12 samples from November 2003 to October 2004. The geometric mean per month per site was calculated from the samples and 4 out of the 12 calculated geometric means exceeded the evaluation objective. |
Data Reference: | Yolo Bypass Water Quality Management Plan Report. Prepared under CALFED Watershed Grant, Agreement # 4600001691 for the City of Woodland |
Water Quality Objective/Criterion: | In waters designated for contact recreation (REC-1), the fecal coliform concentration based on a minimum of not less than five samples for any 30-day period shall not exceed a geometric mean of 200/100 ml, nor shall more than ten percent of the total number of samples taken during any 30-day period exceed 400/100 ml. |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Samples were collected at Cache Creek. |
Temporal Representation: | Sampling occurred from November 2003 to October 2004 |
Environmental Conditions: | |
QAPP Information: | Data quality: Good. Monitoring was conducted in accordance with the Quality Assurance Project Plan For Water Quality Monitoring For The Yolo Bypass Watershed Planning Project, 2003-2004 |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 14990 |
LOE ID: | 21732 |
Pollutant: | Selenium |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Warm Freshwater Habitat |
Aquatic Life Use: | Warm Freshwater Habitat |
Number of Samples: | 6 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: | Water samples were collected on 6 occasions and analyzed for total recoverable and dissolved Se. The range of concentrations in total recoverable samples was 0.6-2 ?g/L. The range of concentrations in dissolved samples was 0.5-2??g/L. |
Data Reference: | Yolo Bypass Water Quality Management Plan Report. Prepared under CALFED Watershed Grant, Agreement # 4600001691 for the City of Woodland |
Water Quality Objective/Criterion: | CTR criterion of 5 ug/L, total recoverable Se, for the protection of freshwater aquatic life (4-day average concentration to protect from extended period of exposure). |
Objective/Criterion Reference: | Water Quality Standards 2000. Establishment of numeric criteria for priority toxic pollutants for the State of California: Rules and regulations. Federal Register Vol. 65, No. 97. Washington, D.C.: Environmental Protection Agency |
Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Samples were collected within the Yolo Bypass, just downstream from the low flow outlet of the Cache Creek Settling Basin . |
Temporal Representation: | Samples were collected on: 11/22/03, 1/23/04, 4/23/04, 6/26/04, 8/20/04, and 9/22/04. |
Environmental Conditions: | |
QAPP Information: | Data quality: Good. Monitoring was conducted in accordance with the Quality Assurance Project Plan For Water Quality Monitoring For The Yolo Bypass Watershed Planning Project, 2003-2004 |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 14988 |
LOE ID: | 21730 |
Pollutant: | Boron |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Agricultural Supply |
Number of Samples: | 6 |
Number of Exceedances: | 5 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: | Five of 6 samples collected from Cache Creek between November 22 2003 and September 22 2004 contained total Boron at concentrations that exceeded the evaluation guideline for Boron. |
Data Reference: | Yolo Bypass Water Quality Management Plan Report. Prepared under CALFED Watershed Grant, Agreement # 4600001691 for the City of Woodland |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life (CVRWQCB, 2007). |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | Boron levels should not exceed the Agricultural Water Quality Goal for Boron of 700 ug/L (Ayers and Westcott, 1985). |
Guideline Reference: | Water Quality for Agriculture, Food and Agriculture Organization of the United Nations - Irrigation and Drainage Paper No. 29, Rev 1, Rome (1985) |
Spatial Representation: | Samples were collected at the lower end of Cache Creek (Cache Creek outfall to Yolo Bypass). |
Temporal Representation: | Samples were collected approximately bimonthly from November 22 2003 to September 22 2004. Cache Creek extends from Clear Lake southeastward to the Yolo Bypass. |
Environmental Conditions: | |
QAPP Information: | Data quality: Good. Monitoring was conducted in accordance with the Quality Assurance Project Plan For Water Quality Monitoring For The Yolo Bypass Watershed Planning Project, 2003-2004 |
QAPP Information Reference(s): | |
| |
LOE ID: | 21731 |
Pollutant: | Boron |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Agricultural Supply |
Number of Samples: | 6 |
Number of Exceedances: | 5 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: | Five of 6 samples collected from Cache Creek between November 22 2003 and September 22 2004 contained dissolved Boron at concentrations that exceeded the evaluation guideline for Boron. |
Data Reference: | Yolo Bypass Water Quality Management Plan Report. Prepared under CALFED Watershed Grant, Agreement # 4600001691 for the City of Woodland |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life (CVRWQCB, 2007). |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | Boron levels should not exceed the Agricultural Water Quality Goal for Boron of 700 ug/L (Ayers and Westcott, 1985). |
Guideline Reference: | Water Quality for Agriculture, Food and Agriculture Organization of the United Nations - Irrigation and Drainage Paper No. 29, Rev 1, Rome (1985) |
Spatial Representation: | Samples were collected at the lower end of Cache Creek (Cache Creek outfall to Yolo Bypass). |
Temporal Representation: | Samples were collected approximately bimonthly from November 22 2003 to September 22 2004. Cache Creek extends from Clear Lake southeastward to the Yolo Bypass. |
Environmental Conditions: | |
QAPP Information: | Data quality: Good. Monitoring was conducted in accordance with the Quality Assurance Project Plan For Water Quality Monitoring For The Yolo Bypass Watershed Planning Project, 2003-2004 |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 6629 |
LOE ID: | 4290 |
Pollutant: | Unknown Toxicity |
LOE Subgroup: | Toxicity |
Matrix: | Water |
Fraction: | Not Recorded |
Beneficial Use: | Warm Freshwater Habitat |
Number of Samples: | 0 |
Number of Exceedances: | 0 |
Data and Information Type: | Not Specified |
Data Used to Assess Water Quality: | Unspecified--This LOE is a placeholder to support a 303(d) listing decision made prior to 2006. |
Data Reference: | Placeholder reference pre-2006 303(d) |
Water Quality Objective/Criterion: | |
Objective/Criterion Reference: | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Unspecified |
Temporal Representation: | Unspecified |
Environmental Conditions: | Unspecified |
QAPP Information: | Unspecified |
QAPP Information Reference(s): |