Wastewater plants in California

486 plants indexed.

486 plants

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

Rosamond WWTF

Rosamond, California

Rosamond WWTF serves 12,600 people in Rosamond, California. The plant treats municipal wastewater under the U.S. Clean Water Act, discharging to local waterways in the Mojave Desert region.

Not Reported 12,600 Low

Silver Lakes WWTF

Helendale, California

Silver Lakes WWTF serves Helendale, California, treating wastewater for approximately 6,700 residents. The plant operates under US EPA and California state regulations for inland discharge.

Not Reported 6,700 Low

HOUSTON CREEK WWTF

Crestline, California

Houston Creek WWTF in Crestline, California serves approximately 11,000 people. The plant discharges into the local watershed within the San Bernardino Mountains.

Not Reported 10,973 Low

L ARROWHEAD WWTF

Lake Arrowhead, California

L Arrowhead WWTF serves approximately 15,581 residents in Lake Arrowhead, California. The plant operates under the US Clean Water Act framework, discharging treated wastewater into the local watershed.

Not Reported 15,581 Low

JUNE LAKE WWTF

Mono County, California

June Lake WWTF serves approximately 2,828 residents in Mono County, California, treating wastewater from the June Lake community in the Eastern Sierra region.

Not Reported 2,828 Low

Mammoth Community WWTF

Mono County, California

Mammoth Community WWTF serves approximately 20,185 people in Mono County, California. The plant treats wastewater from the Mammoth Lakes area and discharges into the local watershed.

Not Reported 20,185 Low

Victor Valley Regional WWRP

Victorville, California

Victor Valley Regional WWRP serves over 185,000 people in Victorville, California. The plant treats municipal wastewater under U. S. EPA and California state regulations.

Not Reported 185,376 Medium

Tahoe Truckee WWTP

Truckee, California

Tahoe Truckee WWTP serves approximately 56,539 people in Truckee, California. The plant operates under the US Clean Water Act, ensuring treated wastewater meets federal and state standards before discharge.

Not Reported 56,539 Low

Barstow WRF

San Bernardino County, California

Barstow WRF serves approximately 25,850 people in San Bernardino County, California. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater facilities.

Not Reported 25,850 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, WESTMORLAND WWTF has the highest designed capacity at 1 m3/day.

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