Final California 2010 Integrated Report( 303(d) List/305(b) Report)

Supporting Information

Pollutant:	Mercury
Final Listing Decision:	Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:	List on 303(d) list (being addressed by USEPA approved TMDL)(2006)
Revision Status	Revised
Sources:	Resource Extraction
TMDL Name:	Cache Creek, Bear Creek, and Harley Gulch Mercury TMDL Project
TMDL Project Code:	127
Date TMDL Approved by USEPA:	02/07/2007
Impairment from Pollutant or Pollution:	Pollutant

Conclusion:	The Cache Creek, Bear Creek and Harley Gulch Mercury TMDL was approved by the RWQCB and subsequently approved by USEPA on 2/7/07.

RWQCB Board Staff Decision:	After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.

SWRCB Board Staff Decision:	After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.

USEPA Action (if applicable):

Line of Evidence (LOE) for Decision ID 6533, Mercury	Region 5
Harley Gulch

LOE ID:

2593

Pollutant:

Mercury

LOE Subgroup:

Pollutant-Tissue

Matrix:

Tissue

Fraction:

Not Recorded

Beneficial Use:

Commercial or recreational collection of fish, shellfish, or organisms

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Unspecified--This LOE is a placeholder to support a 303(d) listing decision made prior to 2006.

Data Reference:

Water Quality Objective/Criterion:

Objective/Criterion Reference:

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Temporal Representation:

Environmental Conditions:

QAPP Information:

QA Info Missing

QAPP Information Reference(s):