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NPDES Self Monitoring Program
El Dorado Irrigation District, El Dorado Hills, WWTP

Organization

El Dorado Irrigation District
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CVRWQCB

Program website

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Plan contact

David Powell
530-622-4513

Start date 06/22/2007
End date None
Objectives The Discharger owns and operates the Publicly Owned Wastewater Treatment Works. The treatment system consists of headworks, screening and grit removal tanks, secondary clarifiers, tertiary filters, dissolved air flotation sludge thickening, belt filter press, anaerobic digester, and chlorine contact disinfection. Chlorine contact disinfection will be replaced with ultraviolet (UV) disinfection during the term of this permit. Wastewater is discharged from Discharge 001 to the Carson Creek, a water of the United States, and a tributary to Cosumnes River within San Joaquin River Watershed.
Annual budget None

Basins & sub-basins monitored

  • San Joaquin River (Northeast)
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Sites Monitored

Name Code Latitude Longitude Map
Carson Creek, US receiving water
RSW-001 38.638503 -121.061476 locate
Carson Creek, DS receiving water
RSW-002 38.635874 -121.060768 locate

Parameters Monitored

GroupParametersFrequency
Disinfection Byproducts Trihalomethanes Annual
General Water Quality Alkalinity, Dissolved Oxygen (DO), Hardness, pH, Specific Conductance [EC @ 25 deg C], Temperature, Total Alkalinity, Turbidity Annual, Weekly
Hydrology Flow Continuous
Major Ions & Minerals Asbestos, Boron, Calcium, Chloride, Cyanide, Magnesium, Potassium, Sodium Annual
Mercury Mercury Annual
Metals & Trace Elements Antimony, Arsenic, Beryllium, Cadmium, Chromium, Copper, Iron , Manganese , Nickel, Selenium, Silver, Thallium, Zinc Annual
Nutrients Phosphorus Annual
Organic Contaminants Acid extractable - other, Base-neutral extractable - other, Bis(2-ethylhexyl)phthalate, Organic Contaminants - other, PAHs - other, PCBs Annual
Other Visual Observation Weekly
Pathogens & Bacteria Fecal Coliforms Monthly
Pesticides Organochlorine Pesticides Annual
Priority Pollutants Priority Pollutants Annual
Radioactivity Radionuclides Annual
Water Toxicity Toxicity (chronic) - Ceriodaphnia, Toxicity (chronic) - Fathead minnow, Toxicity (chronic) - other Quarterly

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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