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

Supporting Information

Regional Board 6 - Lahontan Region

Water Body Name: Gray Creek (Nevada County)
Water Body ID: CAR6352005219980804105702
Water Body Type: River & Stream
 
DECISION ID
5929
Region 6     
Gray Creek (Nevada County)
 
Pollutant: Sedimentation/Siltation
Final Listing Decision: List on 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision: List on 303(d) list (TMDL required list)(2006)
Revision Status Revised
Sources: Natural Sources | Nonpoint Source | Silviculture
TMDL Name: Truckee River Sediment
TMDL Project Code: 175
Date TMDL Approved by USEPA: 09/16/2009
Impairment from Pollutant or Pollution: Pollutant
 
Regional Board Conclusion: This listing is addressed in the "Total Maximum Daily Load for Sediment, Middle Truckee River Watershed" adopted by the Lahontan Water Board in May 2008. The State Water Board approved the TMDL in March 2009.
 
Regional Board Decision Recommendation: If the USEPA approves the TMDL before the State Water Board takes action on a statewide Section 303(d) List, the Final Listing Decision for Gray Creek should be changed to "List on 303(d) list (being addressed by USEPA approved TMDL)."
 
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.
 
USEPA Action (if applicable):
 
 
Line of Evidence (LOE) for Decision ID 5929, Sedimentation/Siltation
Region 6     
Gray Creek (Nevada County)
 
LOE ID: 4612
 
Pollutant: Sedimentation/Siltation
LOE Subgroup: Pollutant-Water
Matrix: Water
Fraction: Not Recorded
 
Beneficial Use: Cold Freshwater Habitat
 
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):