Final California 2018 Integrated Report (303(d) List/305(b) Report)

Supporting Information

Regional Board 5 - Central Valley Region

Water Body Name: Lateral Drain 2 1/2 (Stanislaus County)
Water Body ID: CAR5355000020101024132634
Water Body Type: River & Stream
 
DECISION ID
88957
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Aldrin
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 88957, Aldrin
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65840
 
Pollutant: Aldrin
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 0
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 0 samples exceed the criterion for Aldrin. Four samples were not used in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The CTR objective for aldrin to protect human health from the consumption of water and organisms is 0.00013 ug/L.
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89029
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Arsenic
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89029, Arsenic
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65857
 
Pollutant: Arsenic
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Arsenic.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for arsenic is 0.010 mg/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89030
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Atrazine
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89030, Atrazine
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65859
 
Pollutant: Atrazine
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Atrazine.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for atrazine is 1 ug/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89031
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Cadmium
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89031, Cadmium
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65880
 
Pollutant: Cadmium
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Cadmium.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for cadmium is 5 ug/L.
Objective/Criterion Reference: Water Quality Control Plan for the California Regional Water Quality Control Board Central Valley Region, Sacramento and San Joaquin River Basins. 4th ed
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89032
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Carbofuran
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89032, Carbofuran
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65898
 
Pollutant: Carbofuran
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Carbofuran.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for Carbofuran is 18 ug/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89033
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Copper
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89033, Copper
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65899
 
Pollutant: Copper
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Copper.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California secondary maximum contaminant level for copper is 1.0 mg/L.
Objective/Criterion Reference: Secondary Maximum Contaminant Levels and Compliance. CCR Title 22 section 64449.
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
100492
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: DDT (Dichlorodiphenyltrichloroethane)
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 100492, DDT (Dichlorodiphenyltrichloroethane)
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65917
 
Pollutant: DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 0
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 0 samples exceed the criterion for DDT(p,p). Four samples were not used in the assessment because the laboratory data reporting limit was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The criterion for total DDT to protect human health from consumption of water and organisms is 0.00059 ug/L (California Toxics Rule).
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89034
Region 5     
Lateral Drain 2 1/2 (Stanislaus 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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89034, Dieldrin
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65936
 
Pollutant: Dieldrin
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 0
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 0 samples exceed the criterion for Dieldrin. Four samples were not used in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The criterion for Dieldrin to protect human health from the consumption of water and organisms is 0.00014 ug/L (California Toxics Rule).
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89035
Region 5     
Lateral Drain 2 1/2 (Stanislaus 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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89035, Endrin
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65954
 
Pollutant: Endrin
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Endrin.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The Endrin criterion for the protection of human health from the consumption of water and organisms is 0.76 ug/L. (California Toxics Rule, 2000)
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89036
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Glyphosate
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89036, Glyphosate
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65968
 
Pollutant: Glyphosate
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Glyphosate.
Data Reference: Data for Various Pollutants in Turlock Irrigation District, 2004-2008.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for Glyphosate is 700 ug/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lower Lateral 2 1/2 Spill - 535TIDLL2]
Temporal Representation: Data was collected over the time period 7/24/2007-7/23/2008. One pair of samples were collected within the same one-week period; the results were averaged.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: Data for this line of evidence was collected as part of the Irrigated Lands Regulatory Program.
QAPP Information Reference(s):
 
Line of Evidence (LOE) for Decision ID 89036, Glyphosate
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65969
 
Pollutant: Glyphosate
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Glyphosate.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for Glyphosate is 700 ug/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89037
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Heptachlor
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89037, Heptachlor
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65970
 
Pollutant: Heptachlor
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 0
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 0 samples exceed the criterion for Heptachlor. Four samples were not used in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The CTR objective for Heptachlor to protect human health from the consumption of water and organisms is 0.00021 ug/L.
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89113
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Heptachlor epoxide
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89113, Heptachlor epoxide
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65983
 
Pollutant: Heptachlor epoxide
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 0
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 0 samples exceed the criterion for Heptachlor epoxide. Four samples were not used in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The CTR objective for Heptachlor epoxide to protect human health from the consumption of water and organisms is 0.0001 ug/L.
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89114
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89114, Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65986
 
Pollutant: Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for HCH, gamma.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for HCH, gamma (Lindane) is 0.2 ug/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89115
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Methoxychlor
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89115, Methoxychlor
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65751
 
Pollutant: Methoxychlor
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Methoxychlor.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for Methoxychlor, 30 ug/L, is incorporated by reference into the (Water Quality Control Plan, Central Valley Region, Sacramento and San Joaquin Basins).
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89116
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Nickel
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89116, Nickel
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65754
 
Pollutant: Nickel
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Nickel.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for nickel is 0.1 mg/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89117
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Nitrate/Nitrite (Nitrite + Nitrate as N)
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89117, Nitrate/Nitrite (Nitrite + Nitrate as N)
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65766
 
Pollutant: Nitrate/Nitrite (Nitrite + Nitrate as N)
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 1
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 1 of 14 samples exceed the criterion for Nitrate/Nitrite as N.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for nitrate + nitrite (as N) is 10.0 mg/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
100493
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Oxamyl (Vydate)
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 100493, Oxamyl (Vydate)
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 79618
 
Pollutant: Oxamyl (Vydate)
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: State Water Board staff assessed ILRP data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Oxamyl.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California Maximum Contaminant Level for Oxamyl incorporated by reference in the Water Quality Control Plan, Central Valley Region, Sacramento and San Joaquin Basins is 50 ug/L (Water Quality Control Plan, Central Valley Region, Sacramento and San Joaquin Basins).
Objective/Criterion Reference: Water Quality Control Plan for the California Regional Water Quality Control Board Central Valley Region, Sacramento and San Joaquin River Basins. 4th ed
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [ Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s):
 
 
DECISION ID
89118
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Selenium
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89118, Selenium
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65784
 
Pollutant: Selenium
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Selenium.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for selenium is 0.05 mg/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89119
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Simazine
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: Pollution
 
Regional Board Conclusion: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89119, Simazine
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65799
 
Pollutant: Simazine
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Simazine.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for Simazine is 4 ug/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
Line of Evidence (LOE) for Decision ID 89119, Simazine
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65798
 
Pollutant: Simazine
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Simazine.
Data Reference: Data for Various Pollutants in Turlock Irrigation District, 2004-2008.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California primary maximum contaminant level for Simazine is 4 ug/L.
Objective/Criterion Reference: Maximum Contaminant Levels for organic and inorganic chemicals. CCR Title 22
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lower Lateral 2 1/2 Spill - 535TIDLL2]
Temporal Representation: Data was collected over the time period 7/24/2007-7/23/2008. One pair of samples were collected within the same one-week period; the results were averaged.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: Data for this line of evidence was collected as part of the Irrigated Lands Regulatory Program.
QAPP Information Reference(s):
 
 
DECISION ID
89120
Region 5     
Lateral Drain 2 1/2 (Stanislaus 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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89120, Specific Conductivity
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65952
 
Pollutant: Specific Conductivity
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 5
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 5 samples exceed the criterion for Conductivity(Us).
Data Reference: Data for Various Pollutants in Turlock Irrigation District, 2004-2008.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California secondary maximum contaminant levels for electrical conductivity provide a range of values including a recommended level (900 uS/cm), an upper level (1,600 uS/cm) and a short-term level (2,200 uS/cm). The recommended level of 900 uS/cm was used as it is protective of all drinking water uses.
Objective/Criterion Reference: Secondary Maximum Contaminant Levels and Compliance. CCR Title 22 section 64449.
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lower Lateral 2 1/2 Spill - 535TIDLL2]
Temporal Representation: Data was collected over the time period 7/24/2007-7/23/2008.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: Data for this line of evidence was collected as part of the Irrigated Lands Regulatory Program.
QAPP Information Reference(s):
 
Line of Evidence (LOE) for Decision ID 89120, Specific Conductivity
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65953
 
Pollutant: Specific Conductivity
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 16 samples exceed the criterion for Conductivity(Us).
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California secondary maximum contaminant levels for electrical conductivity provide a range of values including a recommended level (900 uS/cm), an upper level (1,600 uS/cm) and a short-term level (2,200 uS/cm). The recommended level of 900 uS/cm was used as it is protective of all drinking water uses.
Objective/Criterion Reference: Secondary Maximum Contaminant Levels and Compliance. CCR Title 22 section 64449.
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89121
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Total Dissolved Solids
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: Pollution
 
Regional Board Conclusion: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89121, Total Dissolved Solids
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 78554
 
Pollutant: Total Dissolved Solids
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: Dissolved
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 13
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: State Water Board staff assessed ILRP data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 13 samples exceed the criterion for Dissolved Solids, Total.
Data Reference: Data for Various Pollutants in Turlock Irrigation District, 2004-2008.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: Water Quality Control Plan, Central Valley Region Sacramento River Basin and San Joaquin River Basin: At a minimum, water designated for MUN shall not contain concentrations of chemical constituents in excess of the MCL specified in Title 22 of the California Code of Regulations. The secondary MCL for Total Dissolved Solids is 500 mg/L.
Objective/Criterion Reference: Water Quality Control Plan for the California Regional Water Quality Control Board Central Valley Region, Sacramento and San Joaquin River Basins. 4th ed
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 2 monitoring sites [ Lower Lateral 2 1/2 Spill - 535TIDLL2, Lower Lateral 2 1/2 Spill - 535LL2SPL]
Temporal Representation: Data was collected over the time period 7/14/2004-10/1/2007.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: Data for this line of evidence was collected as part of the Irrigated Lands Regulatory Program.
QAPP Information Reference(s):
 
Line of Evidence (LOE) for Decision ID 89121, Total Dissolved Solids
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 79617
 
Pollutant: Total Dissolved Solids
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: Dissolved
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: State Water Board staff assessed ILRP data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Dissolved Solids.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: Water Quality Control Plan, Central Valley Region Sacramento River Basin and San Joaquin River Basin: At a minimum, water designated for MUN shall not contain concentrations of chemical constituents in excess of the MCL specified in Title 22 of the California Code of Regulations. The secondary MCL for Total Dissolved Solids is 500 mg/L.
Objective/Criterion Reference: Water Quality Control Plan for the California Regional Water Quality Control Board Central Valley Region, Sacramento and San Joaquin River Basins. 4th ed
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [ Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s):
 
 
DECISION ID
89203
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Toxaphene
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89203, Toxaphene
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65757
 
Pollutant: Toxaphene
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 0
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 0 samples exceed the criterion for Toxaphene. Four samples were not used in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The Toxaphene criterion for the protection of human health from the consumption of water and organisms is 0.00073 ug/L. (California Toxics Rule, 2000)
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89204
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: Zinc
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89204, Zinc
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65772
 
Pollutant: Zinc
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 14 samples exceed the criterion for Zinc.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The California secondary maximum contaminant level for zinc is 5.0 mg/L.
Objective/Criterion Reference: Secondary Maximum Contaminant Levels and Compliance. CCR Title 22 section 64449.
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89205
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: alpha-Endosulfan (Endosulfan 1)
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: Data for this water segment ¿ pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. However, due to schedule constraints these data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89205, alpha-Endosulfan (Endosulfan 1)
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65855
 
Pollutant: alpha-Endosulfan (Endosulfan 1)
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Endosulfan I.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The Endosulfan I criterion for the protection of human health from consumption of water and organisms is 110 ug/L (California Toxics Rule, 2000).
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89206
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: alpha.-BHC (Benzenehexachloride or alpha-HCH)
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: Data for this water segment ¿ pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. However, due to schedule constraints these data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89206, alpha.-BHC (Benzenehexachloride or alpha-HCH)
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65842
 
Pollutant: alpha.-BHC (Benzenehexachloride or alpha-HCH)
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 1
Number of Exceedances: 1
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 4 samples were collected; 3 have RL greater than the objective; therefore, only 1 sample assessed.1 of 1 sample exceed the criterion for HCH, alpha.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The HCH, alpha criterion for the protection of human health from the consumption of water and organisms is 0.0026 ug/L (California Toxics Rule, 2002).
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89207
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: beta-BHC (Benzenehexachloride or beta-HCH)
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89207, beta-BHC (Benzenehexachloride or beta-HCH)
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65876
 
Pollutant: beta-BHC (Benzenehexachloride or beta-HCH)
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for HCH, beta.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The HCH, beta criterion for the protection of human health from the consumption of water and organisms is 0.014 ug/L (California Toxics Rule, 2002).
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
89208
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
Pollutant: beta-Endosulfan (Endosulfan 2)
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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 89208, beta-Endosulfan (Endosulfan 2)
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 65877
 
Pollutant: beta-Endosulfan (Endosulfan 2)
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 4
Number of Exceedances: 0
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: Water Board staff assessed Ag Waiver data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 0 of 4 samples exceed the criterion for Endosulfan II.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: The beta-endosulfan criterion for the protection of human health from consumption of water and organisms is 110 ug/L. (California Toxics Rule, 2000)
Objective/Criterion Reference: Code of Federal Regulations 40 part 131.38 Establishment of numeric criteria for priority toxic pollutants for the State of California. 7/1/2011 Edition
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s): Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0.
 
 
DECISION ID
100494
Region 5     
Lateral Drain 2 1/2 (Stanislaus 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: Data for this water segment-pollutant combination were received by the State Water Resources Control Board as part of the data solicitation for the 2014 Integrated Report Cycle. These data were not assessed as part of the 2014 Integrated Report.
 
Regional Board Decision Recommendation: Data for this water segment - pollutant combination were not assessed by RWQCB staff during the 2014 Integrated Report cycle. RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list at this time. These data will be assessed by RWQCB staff during a future Integrated Report cycle to determine the applicable beneficial use support rating.
 
State Board 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.
 
 
Line of Evidence (LOE) for Decision ID 100494, pH
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 78555
 
Pollutant: pH
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 10
Number of Exceedances: 3
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: State Water Board staff assessed ILRP data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 3 of 10 samples exceed the criterion for pH.
Data Reference: Data for Various Pollutants in Turlock Irrigation District, 2004-2008.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: Water Quality Control Plan, Central Valley Region Sacramento River Basin and San Joaquin River Basin: pH should not be lower than 6.5 or higher than 8.5.
Objective/Criterion Reference: Water Quality Control Plan for the California Regional Water Quality Control Board Central Valley Region, Sacramento and San Joaquin River Basins. 4th ed
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 2 monitoring sites [ Lower Lateral 2 1/2 Spill - 535TIDLL2, Lower Lateral 2 1/2 Spill - 535LL2SPL]
Temporal Representation: Data was collected over the time period 7/14/2004-10/1/2007.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: Data for this line of evidence was collected as part of the Irrigated Lands Regulatory Program.
QAPP Information Reference(s):
 
Line of Evidence (LOE) for Decision ID 100494, pH
Region 5     
Lateral Drain 2 1/2 (Stanislaus County)
 
LOE ID: 79619
 
Pollutant: pH
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: None
 
Beneficial Use: Municipal & Domestic Supply
 
Number of Samples: 14
Number of Exceedances: 4
 
Data and Information Type: PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality: State Water Board staff assessed ILRP data for Lateral Drain 2 1/2 (Stanislaus County) to determine beneficial use support and results are as follows: 6 of 16 samples exceed the criterion for pH.
Data Reference: Data for Various Pollutants in East San Joaquin, 2004-2009.
 
SWAMP Data: Non-SWAMP
 
Water Quality Objective/Criterion: Water Quality Control Plan, Central Valley Region Sacramento River Basin and San Joaquin River Basin: pH should not be lower than 6.5 or higher than 8.5.
Objective/Criterion Reference: Water Quality Control Plan for the California Regional Water Quality Control Board Central Valley Region, Sacramento and San Joaquin River Basins. 4th ed
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation: Data for this line of evidence for Lateral Drain 2 1/2 (Stanislaus County) was collected at 1 monitoring site [ Lateral 2 1/2 near Keys Rd - 535LTHNKR]
Temporal Representation: Data was collected over the time period 10/21/2008-7/20/2010.
Environmental Conditions: Staff is not aware of any special conditions that might affect interpretation of the data.
QAPP Information: The Quality Assurance Project Plan by the East San Joaquin Water Quality Coalition, Revision 1.0 was followed.
QAPP Information Reference(s):