Wastewater plants in California

486 plants indexed.

486 plants

Yucaipa Valley WD WWTP

Calimesa, California

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.

Not Reported 52,100 Low

Western Riverside Co Reg WWTP

Eastvale, California

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.

Not Reported 51,514 Low

BEAUMONT WWTF

Beaumont, California

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.

Not Reported 11,384 Low

IEUA Carbon Canyon WRF

Riverside, California

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.

Not Reported 115,345 Medium

IEUA Regional Plant No5

Chino, California

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.

Not Reported 153,100 Low

IEUA Regional Plant No4

Rancho Cucamonga, California

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.

Not Reported 84,163 Low

IEUA Regional Plant No1

Chino, California

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.

Not Reported 479,792 Medium

BIG BEAR AREA REG WWTF

Big Bear City, California

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.

Not Reported 29,462 Low

Perris Valley Regional WRF

Lake Elsinore, California

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.

Not Reported 109,315 Low

Moreno Valley Regional WRF

Lake Elsinore, California

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.

Not Reported 196,495 Low

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

Hi Desert WWRF

Yucca Valley, 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.

Not Reported 35,000 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

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, Western Riverside Co Reg WWTP has the highest designed capacity at 1 m3/day.

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