Wastewater plants in California

486 plants indexed. Showing 485 matching current filters.

485 plants matching filters

San Jacinto Regional WRF

Lake Elsinore, California

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.

Not Reported 127,817 Low

San Bernardino WRP

San Bernardino, California

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.

Not Reported 301,063 Low

Riverside Regional WQCP

Riverside, California

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.

Not Reported 431,519 Low

BANNING WWTF

Banning, California

Banning WWTF is a municipal wastewater treatment facility serving approximately 30,319 residents in Banning, California. The plant operates under the US Clean Water Act's NPDES permit program.

Not Reported 30,319 Low

NEEDLES WWTF

Needles, California

NEEDLES WWTF serves approximately 14,950 residents in Needles, California. The plant operates under the US Clean Water Act and EPA NPDES permit program.

Not Reported 14,950 Low

VALLEY SD WWTF

Indio, California

VALLEY SD WWTF serves Indio, California, treating wastewater for approximately 85,000 residents. The plant operates under U. S. EPA and state regulations, discharging treated effluent into the local watershed.

Not Reported 85,000 Medium

Coachella WWTP

Coachella, California

Coachella WWTP serves approximately 42,951 people in Coachella, California. The plant is part of the Coachella Sanitation District and operates under US EPA and California state regulations.

Not Reported 42,951 Low

Brawley WWTP

Brawley, California

Brawley WWTP serves approximately 47,679 residents in Brawley, California. The plant operates under U.S. Clean Water Act regulations, with a designed capacity of 1.00 million gallons per day.

Not Reported 47,679 Low

Alan Horton WWTF

Desert Hot Springs, California

Alan Horton WWTF serves Desert Hot Springs, California, treating wastewater for approximately 13,000 residents. The plant operates under the US Clean Water Act framework, with NPDES permitting through the California State Water Resources Control Boar

Not Reported 13,000 Low

WESTMORLAND WWTF

Westmorland, California

WESTMORLAND WWTF serves Westmorland, California, treating wastewater for approximately 2,131 residents. The plant is located within 50 km of the coast and operates under U.S. Clean Water Act regulations.

Not Reported 2,131 Low

NILAND WWTF

Niland, California

Niland WWTF serves 2,600 residents in Niland, California. The plant operates under the US Clean Water Act, with a designed capacity of 1.00 million gallons per day.

Not Reported 2,600 Low

IMPERIAL WWTF

Imperial, California

Imperial WWTF serves the city of Imperial, California, with a designed capacity of 1.00 million gallons per day. The plant treats wastewater for a population of approximately 4,188 residents.

Not Reported 4,188 Low

HOLTVILLE WWTF

Imperial County, California

HOLTVILLE WWTF serves 5,240 people in Imperial County, California. The plant has a designed capacity of 1.00 million gallons per day and is located inland, away from the coast.

Not Reported 5,240 Low

HEBER WWTF

Heber, California

HEBER WWTF serves Heber, California, treating wastewater for approximately 3,500 residents. The plant has a designed capacity of 1.00 million gallons per day.

Not Reported 3,500 Low

Blythe Regional WWTF

Riverside County, California

Blythe Regional WWTF serves approximately 12,155 people in Riverside County, California. The plant operates under the US Clean Water Act framework for municipal wastewater treatment.

Not Reported 12,155 Low

CALIPATRIA WWTF

Imperial County, California

Calipatria WWTF serves 7,980 people in Imperial County, California. The plant is located within 50 km of the coast and has a designed capacity of 1.00 million gallons per day.

Not Reported 7,980 Low

CALEXICO WWTF

Imperial County, California

CALEXICO WWTF serves approximately 15,344 people in Imperial County, California. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater.

Not Reported 15,344 Low

PALM SPRINGS WWRF

Palm Springs, California

Palm Springs WWRF serves approximately 84,624 residents in Palm Springs, California. The facility operates under the U. S. Clean Water Act and NPDES permit program, discharging treated wastewater to the local watershed.

Not Reported 84,624 Medium

EL CENTRO WWTF

El Centro, California

El Centro WWTF serves approximately 40,000 residents in El Centro, California. The plant operates under U.S. EPA and state regulations, discharging treated wastewater to local waterways.

Not Reported 40,000 Low

MOJAVE WWTF

Kern County, California

MOJAVE WWTF serves 4,751 people in Kern County, California. The plant treats municipal wastewater under U.S. EPA and state regulations.

Not Reported 4,751 Low

Frequently asked

How many wastewater treatment plants are in California?

UtilityRadar indexes 486 wastewater treatment plants in California, with treatment level, capacity, operator and discharge data on each record.

What is the largest wastewater treatment plant in California?

Among the indexed plants, San Jacinto Regional WRF has the highest designed capacity at 1 m3/day.

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