Draft California 2024 Integrated Report (303(d) List/305(b) Report)

Supporting Information

Regional Board 5 - Central Valley Region

Water Body Name:	Unknown tributary of Camanche Reservoir near Camanche Road (Amador County)
Water Body ID:	CAR5312000020191217029413
Water Body Type:	River & Stream


DECISION ID	143566	Region 5
Unknown tributary of Camanche Reservoir near Camanche Road (Amador County)

Pollutant:	Manganese
Final Listing Decision:	Delist from 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:	List on 303(d) list (TMDL required list)(2020)
Revision Status	Revised
Reason for Delisting:	Flaws in original listing
Impairment from Pollutant or Pollution:	Pollutant

Regional Board Conclusion:	Upon reassessment of this decision, it was determined that the data were not of sufficient quality or were associated incorrectly with the waterbody, and therefore not useable for assessment of beneficial uses on this waterbody. This decision has been delisted for either a change in water quality standard or flaws in the original listing.

Regional Board Decision Recommendation:	After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be removed from the section 303(d) list because the original basis for listing was flawed.

State Board Review of Regional Board Conclusion and Recommendation:

State Board Decision Recommendation:	After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should be placed on the section 303(d) list because applicable water quality standards are exceeded and a pollutant contributes to or causes the problem.

Line of Evidence (LOE) for Decision ID 143566, Manganese	Region 5
Unknown tributary of Camanche Reservoir near Camanche Road (Amador County)

LOE ID:

315697

Pollutant:

Manganese

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

Dissolved

Beneficial Use:

Cold Freshwater Habitat

Number of Samples:

Number of Exceedances:

Data and Information Type:

PHYSICAL/CHEMICAL MONITORING

Data Used to Assess Water Quality:

This LOE does not represent actual data collected. It was only included for internal tracking purposes.

Data Reference:

Placeholder data and information reference for pre-2006 303(d)

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

This LOE does not represent an actual assessment. It was only included for internal tracking purposes.

Objective/Criterion Reference:

Water Quality Control Plan for the California Regional Water Quality Control Board Central Valley Region, Sacramento and San Joaquin River Basins; Fifth Edition. Revised May 2018 (with approved amendments)

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

This LOE does not represent actual data. It was only included for internal tracking purposes.

Temporal Representation:

This LOE does not represent actual data. It was only included for internal tracking purposes.

Environmental Conditions:

QAPP Information:

This LOE does not represent actual data. It was only included for internal tracking purposes and thus did not require a QAPP.

QAPP Information Reference(s):

This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.


DECISION ID	143570	Region 5
Unknown tributary of Camanche Reservoir near Camanche Road (Amador County)

Pollutant:	Selenium
Final Listing Decision:	Delist from 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:	List on 303(d) list (TMDL required list)(2020)
Revision Status	Revised
Reason for Delisting:	Flaws in original listing
Impairment from Pollutant or Pollution:	Pollutant

Regional Board Conclusion:	Upon reassessment of this decision, it was determined that the data were not of sufficient quality or were associated incorrectly with the waterbody, and therefore not useable for assessment of beneficial uses on this waterbody. This decision has been delisted for either a change in water quality standard or flaws in the original listing.

Regional Board Decision Recommendation:	After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be removed from the section 303(d) list because the original basis for listing was flawed.

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 143570, Selenium	Region 5
Unknown tributary of Camanche Reservoir near Camanche Road (Amador County)

LOE ID:

315698

Pollutant:

Selenium

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

Dissolved

Beneficial Use:

Cold Freshwater Habitat

Number of Samples:

Number of Exceedances:

Data and Information Type:

PHYSICAL/CHEMICAL MONITORING

Data Used to Assess Water Quality:

This LOE does not represent actual data collected. It was only included for internal tracking purposes.

Data Reference:

Placeholder data and information reference for pre-2006 303(d)

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

This LOE does not represent an actual assessment. It was only included for internal tracking purposes.

Objective/Criterion Reference:

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

This LOE does not represent actual data. It was only included for internal tracking purposes.

Temporal Representation:

This LOE does not represent actual data. It was only included for internal tracking purposes.

Environmental Conditions:

QAPP Information:

This LOE does not represent actual data. It was only included for internal tracking purposes and thus did not require a QAPP.

QAPP Information Reference(s):

This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.