486 plants indexed. Showing 322 matching current filters.
Colton WWTF is a municipal wastewater treatment facility serving approximately 60,100 residents in Colton, California. The plant operates under the U.S. Clean Water Act framework, discharging treated effluent into the Santa Ana River watershed.
OCSD WWTP No 2 in Costa Mesa, California, serves over 3.4 million people. It is a major wastewater treatment facility in Orange County, operating under the US Clean Water Act.
OCSD WRP No 1 in Costa Mesa, California serves over 1.4 million people as a major wastewater treatment facility. It operates under the US Clean Water Act and EPA NPDES permitting framework.
Corona WWTP 3 serves approximately 25,000 residents in Corona, California. The plant is located inland in Riverside County and discharges treated wastewater into the local watershed.
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 1 serves approximately 99,000 residents in Corona, California. The plant operates under the US Clean Water Act, managing wastewater for this inland community.
Yucaipa Valley WD WWTP serves approximately 52,100 people in Calimesa, California. The plant operates under the US Clean Water Act and NPDES permitting framework.
Western Riverside Co Reg WWTP serves Eastvale, California, treating wastewater for approximately 51,514 residents. The plant operates under US EPA and California state regulations.
Beaumont WWTF serves approximately 11,384 residents in Beaumont, California. The plant operates under the US Clean Water Act and EPA NPDES permitting framework for municipal wastewater treatment.
IEUA Carbon Canyon WRF is a wastewater treatment plant in Riverside, California, serving approximately 115,000 people. It operates under the US Clean Water Act and NPDES permit program.
IEUA Regional Plant No5 in Chino, California serves 153,100 people as part of the Inland Empire Utilities Agency's water recycling network. The plant supports regional water sustainability in San Bernardino County.
IEUA Regional Plant No. 4 in Rancho Cucamonga, California, serves approximately 84,000 people as part of the Inland Empire Utilities Agency's recycled water system, supporting water conservation in the arid region.
IEUA Regional Plant No1 in Chino, California serves approximately 480,000 people. The plant is part of the Inland Empire Utilities Agency's water recycling infrastructure.
Big Bear Area Regional WWTF serves Big Bear City, California, treating wastewater for approximately 29,462 residents. The plant operates under US EPA and California state regulations for inland wastewater treatment.
Perris Valley Regional WRF in Lake Elsinore, California serves over 109,000 people. The plant operates under the US Clean Water Act and NPDES permit framework.
Moreno Valley Regional WRF in Lake Elsinore, California serves nearly 200,000 people. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to local waterways.
San Jacinto Regional WRF in Lake Elsinore, California serves approximately 127,817 people. The plant operates under the US Clean Water Act and NPDES permit program.
San Bernardino WRP serves over 300,000 people in San Bernardino, California. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge into the Santa Ana River watershed.
Riverside Regional WQCP serves over 430,000 people in Riverside, California. The plant discharges into the Santa Ana River, a key waterway in Southern California.
Hi Desert WWRF is a projected wastewater treatment facility in Yucca Valley, California, serving approximately 35,000 people. It will operate under US EPA and state regulations for inland discharge.
UtilityRadar indexes 486 wastewater treatment plants in California, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, OCSD WWTP No 2 has the highest designed capacity at 1 m3/day.