Overview
El Dorado Hills WWTP serves approximately 23,946 people in El Dorado County, California. The plant operates under U.S. Clean Water Act regulations, with NPDES permits governing its discharge.
El Dorado Hills WWTP is a municipal wastewater treatment facility located in El Dorado County, California, serving a population of about 23,946. The plant is situated inland, east of Sacramento, and treats wastewater from the surrounding community. As a medium-sized agglomeration, the plant is subject to the U.S. Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting. Facilities of this scale typically employ secondary or advanced treatment to meet state and federal water quality standards. The plant discharges treated effluent into local waterways that ultimately drain into the Sacramento-San Joaquin Delta and San Francisco Bay. This watershed supports diverse aquatic life and is an important ecological corridor for migratory fish species.
Environmental context
The plant's treated effluent flows into the American River watershed, which drains into the Sacramento River and then the Sacramento-San Joaquin Delta. This delta ecosystem is a critical habitat for fish and wildlife, including salmon and steelhead. The downstream environment is sensitive to nutrient loading and requires careful management to maintain water quality.
Frequently asked questions
El Dorado Hills WWTP is located on Latrobe Road in El Dorado County, California, United States, approximately 30 miles east of Sacramento.
The plant serves a population of approximately 23,946 people in the El Dorado Hills area.
The plant discharges treated effluent into local waterways that flow into the American River, part of the Sacramento-San Joaquin Delta watershed.
The plant operates under the U.S. Clean Water Act, with discharge regulated by a National Pollutant Discharge Elimination System (NPDES) permit issued by the California State Water Resources Control Board.
For medium-sized agglomerations like this, secondary treatment is standard under the Clean Water Act, often with additional nutrient removal to protect sensitive downstream waters.
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