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NPDES Self Monitoring Program
United States Department of the Interior, National Park Service, Yosemite National Park, El Portal WWTF

Organization

U.S. Department of the Interior, National Park Service
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CVRWQCB

Program website

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Plan contact

Paul Laymon
(209) 379-1077

Start date 04/28/2008
End date None
Objectives None
Annual budget None

Basins & sub-basins monitored

  • San Joaquin River (Eastside)
map

Sites Monitored

Name Code Latitude Longitude Map
Merced River, US and South of El Portal supply well #2
R-001 37.672552 -119.794403 locate
Merced River, DS from Bridge crossing at Railroad Flat
R-002 37.669056 -119.81708 locate

Parameters Monitored

GroupParametersFrequency
General Water Quality Alkalinity, Dissolved Oxygen (DO), Electrical Conductivity (EC) , Hardness, pH, Temperature, Turbidity Annual, Monthly, Other
Hydrology Flow Monthly
Major Ions & Minerals Boron, Calcium, Chloride, Magnesium, Potassium, Sodium Annual
Metals & Trace Elements Aluminum , Arsenic , Barium , Cadmium , Chromium , Copper, Iron , Manganese , Nickel , Selenium , Silver , Trace Elements - Other, Zinc Monthly, Annual, Other
Nutrients Ammonia as Nitrogen NH3-N, Nitrate as N NO3-N, Phosphorus Other, Monthly, Annual
Pathogens & Bacteria Fecal Coliforms Other

Data Products Available

ItemAvailable OnlineURLAvailable by RequestComment
Monitoring Plan Yes http://www.waterboards.ca.gov/... Yes
Other No Yes Discharger self-report
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