Wastewater plants in California

486 plants indexed. Showing 227 matching current filters.

227 plants matching filters

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

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

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

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, IEUA Regional Plant No5 has the highest designed capacity at 1 m3/day.

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