Overview
Corona WWTF 2 serves approximately 53,000 residents in Corona, California. The plant operates under the US Clean Water Act and NPDES permitting framework.
Corona WWTF 2 is a municipal wastewater treatment facility located in Corona, Riverside County, California. The plant serves a population of around 53,000 people, placing it in the medium-agglomeration category for US wastewater infrastructure. As a US-based facility, Corona WWTF 2 operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the California State Water Resources Control Board. For plants serving populations of this scale, secondary treatment is typically required, with additional nutrient removal if discharging to sensitive water bodies. The plant's treated effluent is discharged into the Santa Ana River watershed, which flows through Southern California and ultimately reaches the Pacific Ocean. The Santa Ana River is a critical water resource in the region, supporting urban water supplies, agricultural irrigation, and habitat for aquatic species.
Environmental context
The Santa Ana River watershed drains a large portion of Southern California, flowing through Riverside and Orange Counties before reaching the Pacific Ocean near Huntington Beach. This river system supports diverse aquatic life and provides important habitat for migratory birds. The downstream environment includes coastal wetlands and estuaries that are ecologically sensitive to nutrient loading and pollutant discharges.
Frequently asked questions
Corona WWTF 2 is located at 362 Reed Circle in Corona, Riverside County, California, United States.
The plant serves approximately 53,000 residents in the city of Corona and surrounding areas.
The treated effluent is discharged into the Santa Ana River watershed, which flows to the Pacific Ocean.
As a US municipal wastewater plant, Corona WWTF 2 operates under the Clean Water Act and is regulated by an NPDES permit issued by the California State Water Resources Control Board, which sets effluent limits to protect water quality.
For medium-sized agglomerations like this, secondary treatment is standard under the Clean Water Act, often with additional disinfection and nutrient removal depending on the receiving water body's sensitivity.
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