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TMDL Document for GUADALUPE RIVER WATERSHED MERCURY TMDL

TMDL ID: 38859 TMDL Name: GUADALUPE RIVER WATERSHED MERCURY TMDL
State/Tribe: California TMDL Date: 06/01/2010
EPA Action: EPA Approved

TMDL Documents

Click on the underlined Document Type to retrieve the actual document in PDF format.
Document Type Comments
TMDL Decision Letter  
TMDL Document  


TMDL Pollutant: Mercury

Total Waste Load Allocation:      Total Load Allocation:
Explicit Margin Of Safety:      Implicit Margin Of Safety: Not Reported
Units for Total Waste Load Allocation and Total Load Allocation:      TMDL Pollutant Source Type: Point/Nonpoint Source
TMDL End Point: IN WATERS OF THE GUADALUPE RIVER WATERSHED, EXCEPT LOS GATOS CREEK AND ITS TRIBUTARIES UPSTREAM OF VASONA DAM, LAKE ELSMAN, LEXINGTON RESERVOIR, AND VASONA LAKE, OF THE FOLLOWING: I) 0.05 MG METHYLMERCURY PER KG FISH, AVERAGE WET WEIGHT CONCENTRATION MEASURED IN WHOLE TROPHIC LEVEL 3 FISH 5¿15 CM IN LENGTH, AND II) 0.1 MG METHYLMERCURY PER KG FISH, AVERAGE WET WEIGHT CONCENTRATION MEASURED IN WHOLE TROPHIC LEVEL 3 FISH >15¿35 CM IN LENGTH AND FRESHWATERA WATER QUALITY OBJECTIVES FOR TOXIC POLLUTANTS FOR SURFACE WATERS (ALL VALUES IN UG/L): 4-DAY AVERAGE: 0.025 1-HOUR AVERAGE: 2.4

NPDES Allocation for Pollutant: Mercury
NPDES ID Other Non PCS Identification Waste Load Allocation Units
CAS029718




Listed Water Causes of Impairment for Mercury
Click on the underlined Waterbody ID for a Waterbody Report. Click on the underlined "Waterbody Map" literal for a map of the Assessment Unit.
Waterbody ID Waterbody Name Map Cycles Listed Cause(s) of Impairment Addressed
CAL2054003119980928111759 Calero Reservoir Waterbody Map 1996, 1998, 2002, 2004, 2006, 2010 Mercury
CAL2054004019980928155642 Guadalupe Reservoir Waterbody Map 1996, 1998, 2002, 2004, 2006, 2010 Mercury
CAL2054005020080714115011 ALMADEN LAKE Data Unavailable Unlisted but Impaired
CAR2054004119980928110616 Alamitos Creek Waterbody Map 1996, 1998, 2002, 2004, 2006, 2010 Mercury
CAR2054005019980928160437 Guadalupe River Waterbody Map 1996, 1998, 2002, 2004, 2006, 2010 Mercury
CAR2054005019980929112519 Guadalupe Creek Waterbody Map 1996, 1998, 2002, 2004, 2006, 2010 Mercury
CAL2054003020000304125701 ALMADEN RESERVOIR Data Unavailable Unlisted but Impaired

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