Overview
San Leandro WPCP serves approximately 79,452 residents in San Leandro, California. The plant is located within 50 km of the Pacific coast and discharges treated wastewater into the San Francisco Bay watershed.
San Leandro WPCP is a municipal wastewater treatment facility serving the city of San Leandro, California, with a population of about 79,452. The plant is situated in Alameda County, near the eastern shore of San Francisco Bay, and operates under the regulatory framework of the US Clean Water Act, which requires NPDES permits for discharges to surface waters. As a medium-sized agglomeration, the plant is expected to provide secondary treatment as a minimum standard under federal regulations. The designed capacity is 1.00 million gallons per day, indicating the plant's scale relative to the population served. Typical plants of this size employ activated sludge or similar biological treatment. The plant's treated effluent is discharged into the San Francisco Bay watershed, which ultimately drains to the Pacific Ocean. The bay is an ecologically sensitive estuary that supports diverse aquatic life, including migratory birds and fish species. The plant plays a key role in protecting water quality in this important coastal ecosystem.
Environmental context
San Leandro WPCP discharges into the San Francisco Bay, a large estuary connected to the Pacific Ocean via the Golden Gate. The bay supports critical habitats for fish, birds, and marine mammals. The plant's operations help maintain water quality in this urbanized watershed, which faces challenges from stormwater runoff and industrial discharges.
Frequently asked questions
San Leandro WPCP is located at 1244 Doolittle Drive, San Leandro, California, in Alameda County, near the eastern shore of San Francisco Bay.
The plant serves approximately 79,452 residents in the city of San Leandro and surrounding areas.
The plant discharges treated effluent into the San Francisco Bay watershed, which flows to the Pacific Ocean. Discharge is regulated under the US Clean Water Act via an NPDES permit.
The plant operates under the US Clean Water Act, which requires NPDES permits for wastewater discharges. For a plant of this size, secondary treatment is typically mandated.
Plants serving around 80,000 people in the US commonly use secondary treatment processes such as activated sludge, which includes biological treatment and disinfection before discharge.
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