Water Body Name: | Rattlesnake Creek (at confluence w Mokelumne River, N Fork) |
Water Body ID: | CAR5326005020041214084636 |
Water Body Type: | River & Stream |
Lines of Evidence (LOEs) for Decision ID 9722 |
LOE ID: | 20355 |
Pollutant: | Chloride |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 1 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | 0 of the 1 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for Chloride. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | Chloride levels should not exceed 250 mg/L (USEPA Maximum Contaminant Level) |
Guideline Reference: | Compilation of Water Quality Goals - 2007 for toxicity data |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. |
Temporal Representation: | The samples were collected from Oct 22 2003 to Oct 22 2003 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 5210 |
LOE ID: | 2734 |
Pollutant: | Copper |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 4 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | Zero out of 4 samples exceeded the standard for copper at this location. (PG&E, 2003b). |
Data Reference: | Placeholder reference 2006 303(d) |
Water Quality Objective/Criterion: | Hardness based criteria from USEPA (CTR) for freshwater acute (CMC). |
Objective/Criterion Reference: | Placeholder reference 2006 303(d) |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Rattlesnake Creek at the Mouth.
Latitude (38° 31.089 N); Longitude (120° 16.087 W). |
Temporal Representation: | Samples taken between 8/29/2002 and 12/11/2002. |
Environmental Conditions: | |
QAPP Information: | Well documented QA/QC including 174 page report on Certified Analytical Reports and Chain-of-Custody Documentation. |
QAPP Information Reference(s): | |
| |
LOE ID: | 20314 |
Pollutant: | Copper |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 1 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | 0 of the 1 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for Copper. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | Copper levels should not exceed 1300 ug/L (Department of Public Health Primary MCL) |
Guideline Reference: | Compilation of Water Quality Goals - 2007 for toxicity data |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. |
Temporal Representation: | The samples were collected from Oct 22 2003 to Oct 22 2003 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): | |
| |
LOE ID: | 20313 |
Pollutant: | Copper |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Cold Freshwater Habitat |
Aquatic Life Use: | Cold Freshwater Habitat |
Number of Samples: | 1 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | 0 of the 1 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for Copper. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) Total Copper levels should not exceed the calculated limit based on the formula: Criteria Maximum Concentration (1-hour Average, total)=(EXP(0.9422*LN(hardness)-1.7)) (CTR) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Compilation of Water Quality Goals - 2007 for toxicity data | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. |
Temporal Representation: | The samples were collected from Oct 22 2003 to Oct 22 2003 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 9725 |
LOE ID: | 20371 |
Pollutant: | Specific Conductivity |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 11 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | 0 of the 11 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for Specific Conductivity. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | The water quality objective used was the California Secondary MCL recommended level of 900 uS/cm. The Basin Plan includes chemical constituent water quality objectives that include (by reference) secondary maximum contaminant levels (MCLs) protective of MUN (CVRWQCB, 2007a).The secondary MCLs for electrical conductivity provide a range of values including a recommended level (900 uS/cm), upper level (1600 uS/cm) and a short-term level (2200 uS/cm). The recommended concentration was used as it is intended to be protective of all drinking water uses. |
Guideline Reference: | Compilation of Water Quality Goals - 2007 for toxicity data |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. |
Temporal Representation: | The samples were collected from Dec 22 2003 to Jan 19 2005 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 9726 |
LOE ID: | 20292 |
Pollutant: | Total Dissolved Solids |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 1 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | 0 of the 1 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for Total Dissolved Solids. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | The water quality objective used was the California Secondary MCL recommended level of 500 mg/L. The Basin Plan includes chemical constituent water quality objectives that include (by reference) secondary maximum contaminant levels (MCLs) protective of MUN (CVRWQCB, 2007a).The secondary MCLs for TDS provide a range of values including a recommended level (500 mg/L), upper level (1000 mg/L) and a short-term level (1500 mg/L). The recommended concentration was used as it is intended to be protective of all drinking water uses. |
Guideline Reference: | Compilation of Water Quality Goals - 2007 for toxicity data |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. |
Temporal Representation: | The samples were collected from Oct 22 2003 to Oct 22 2003 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 9727 |
LOE ID: | 20403 |
Pollutant: | Zinc |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 1 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | 0 of the 1 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for Zinc. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | Zinc levels should not exceed 5000 ug/L (Department of Public Health Secondary MCL) |
Guideline Reference: | Compilation of Water Quality Goals - 2007 for toxicity data |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. |
Temporal Representation: | The samples were collected from Oct 22 2003 to Oct 22 2003 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): | |
| |
LOE ID: | 20402 |
Pollutant: | Zinc |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Cold Freshwater Habitat |
Aquatic Life Use: | Cold Freshwater Habitat |
Number of Samples: | 1 |
Number of Exceedances: | 0 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | 0 of the 1 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for Zinc. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) Zinc levels should not exceed the calculated limit based on the formula: Criteria Maximum Concentration=EXP((0.8473*LN(hardness))+0.884)(CTR) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Compilation of Water Quality Goals - 2007 for toxicity data | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. |
Temporal Representation: | The samples were collected from Oct 22 2003 to Oct 22 2003 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 9720 |
LOE ID: | 21040 |
Pollutant: | pH |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Cold Freshwater Habitat |
Aquatic Life Use: | Cold Freshwater Habitat |
Number of Samples: | 17 |
Number of Exceedances: | 1 |
Data and Information Type: | PHYSICAL/CHEMICAL MONITORING |
Data Used to Asses Water Quality: | 1 of the 17 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for pH. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | pH levels should not be lower than 6.5 or higher than 8.5 (Basin Plan Objective) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. |
Temporal Representation: | The samples were collected from Dec 22 2003 to Sep 15 2005 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 15958 |
LOE ID: | 21101 |
Pollutant: | Escherichia coli (E. Coli) |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 14 |
Number of Exceedances: | 8 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Asses Water Quality: | 8 of the 14 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for E.Coli Bacteria. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | E.Coli Bacteria levels should not exceed 235 MPN/100 mL in any single sample (USEPA E.Coli objective) |
Guideline Reference: | Ambient Water Quality Criteria for Bacteria - 1986. EPA440/5-84-002 |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. Samples were collected at Upper Rattlesnake Creek. |
Temporal Representation: | The samples were collected from May 19 2004 to Sep 19 2005 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): | |
| |
LOE ID: | 7555 |
Pollutant: | Escherichia coli (E. Coli) |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Non-Contact Recreation |
Number of Samples: | 14 |
Number of Exceedances: | 6 |
Data and Information Type: | Not Specified |
Data Used to Asses Water Quality: | Six of the 14 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for E.Coli Bacteria. The exceeded results are as follows: 5/19/2004 - a sample taken at Lower Rattlesnake Creek had a result of 517MPN/100 mL. 6/23/2004 - a sample taken at Lower Rattlesnake Creek had a result of 770MPN/100 mL. 7/13/2004 - a sample taken at Lower Rattlesnake Creek had a result of 579MPN/100 mL. 9/16/2004 - a sample taken at Lower Rattlesnake Creek had a result of 488MPN/100 mL. 5/16/2005 - a sample taken at Lower Rattlesnake Creek had a result of >2420MPN/100 mL. 6/20/2005 - a sample taken at Lower Rattlesnake Creek had a result of 613MPN/100 mL. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | E.Coli Bacteria levels should not exceed 409 MPN/100 mL in any single sample (USEPA E.Coli Guideline) |
Guideline Reference: | Ambient Water Quality Criteria for Bacteria - 1986. EPA440/5-84-002 |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. Samples were collected at Upper Rattlesnake Creek. |
Temporal Representation: | The samples were collected from May 19 2004 to Sep 19 2005 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): | |
| |
LOE ID: | 7530 |
Pollutant: | Escherichia coli (E. Coli) |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 14 |
Number of Exceedances: | 8 |
Data and Information Type: | Not Specified |
Data Used to Asses Water Quality: | Eight of the 14 samples collected by the Surface Water Ambient Monitoring Program exceeded the evaluation objective for E.Coli Bacteria. The exceeded results are as follows: 5/19/2004 - a sample taken at Lower Rattlesnake Creek had a result of 517MPN/100 mL. 6/23/2004 - a sample taken at Lower Rattlesnake Creek had a result of 770MPN/100 mL. 7/13/2004 - a sample taken at Lower Rattlesnake Creek had a result of 579MPN/100 mL. 8/17/2004 - a sample taken at Lower Rattlesnake Creek had a result of 345MPN/100 mL. 9/16/2004 - a sample taken at Lower Rattlesnake Creek had a result of 488MPN/100 mL. 5/16/2005 - a sample taken at Lower Rattlesnake Creek had a result of >2420MPN/100 mL. 6/20/2005 - a sample taken at Lower Rattlesnake Creek had a result of 613MPN/100 mL. 8/15/2005 - a sample taken at Lower Rattlesnake Creek had a result of 345MPN/100 mL. |
Data Reference: | SWAMP data entered by SWRCB into BDAT database |
Water Quality Objective/Criterion: | All waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. This objective applies regardless of whether the toxicity is caused by a single substance or the interactive effect of multiple substances. (CRWQCB, 2006) |
Objective/Criterion Reference: | Central Valley Regional Water Quality Control Board. Water Quality Control Plan (Basin Plan) for the California Regional Water Quality Control Board - Central Valley Region |
Evaluation Guideline: | E.Coli Bacteria levels should not exceed 235 MPN/100 mL in any single sample (USEPA E.Coli Guideline) |
Guideline Reference: | Ambient Water Quality Criteria for Bacteria - 1986. EPA440/5-84-002 |
Spatial Representation: | Samples were collected at Lower Rattlesnake Creek. Samples were collected at Upper Rattlesnake Creek. |
Temporal Representation: | The samples were collected from May 19 2004 to Sep 19 2005 |
Environmental Conditions: | |
QAPP Information: | Monitoring was conducted in accordance with the State Water Resources Control Board's Quality Assurance Program Plan for the State of California's Surface Water Ambient Monitoring Program. |
QAPP Information Reference(s): |