| Pollutant: | 
Mercury | 
| Final Listing Decision: | 
Do Not Delist from 303(d) list (TMDL required list) | 
| Last Listing Cycle's Final Listing Decision: | 
List on 303(d) list (TMDL required list)(2018) | 
| Revision Status | 
Revised | 
| Sources: | 
A Source Unknown | 
| TMDL Priority: | 
Low | 
| Impairment from Pollutant or Pollution: | 
Pollutant | 
|   | 
| Regional Board Conclusion: | 
303(d) listing decisions made prior to 2006 were not held in an assessment database. The Regional Boards will update this decision when new data and information become available and are assessed. | 
|   | 
| Regional Board Decision Recommendation: | 
 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. | 
|   | 
| State Board Review of Regional Board Conclusion and Recommendation: | 
  | 
|   | 
| State Board Decision Recommendation: | 
  | 
|   | 
|   | 
Line of Evidence (LOE) for Decision ID 169289, Mercury
  | 
Region 5       | 
 
Marsh Creek Reservoir  | 
 
 
 | 
|   | 
| LOE ID: | 
4475 | 
|   | 
| 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: | 
0 | 
| Number of Exceedances: | 
0 | 
|   | 
| Data and Information Type: | 
Not Specified | 
| Data Used to Assess Water Quality: | 
Unspecified--This LOE is a placeholder to support a 303(d) listing decision made prior to 2006. | 
| Data Reference: | 
Placeholder reference pre-2006 303(d) | 
|   | 
| SWAMP Data: | 
Non-SWAMP | 
|   | 
| Water Quality Objective/Criterion: | 
Unspecified | 
| Objective/Criterion Reference: | 
Placeholder reference pre-2006 303(d) | 
|   | 
| Evaluation Guideline: | 
Unspecified | 
| Guideline Reference: | 
Placeholder reference pre-2006 303(d) | 
|   | 
| Spatial Representation: | 
Unspecified | 
| Temporal Representation: | 
Unspecified | 
| Environmental Conditions: | 
Unspecified | 
| QAPP Information: | 
Unspecified | 
| QAPP Information Reference(s): | 
|   |