Wastewater plants in California

486 plants indexed.

486 plants

Ralph W Chapman WRF

Rancho San Diego, California

Ralph W Chapman WRF is a wastewater treatment plant serving Rancho San Diego, California. It has a designed capacity of 1.00 million gallons per day and serves a population of 12,000.

Not Reported 12,000 Low

Gafner Water Reclamation Plant

Carlsbad, California

Gafner Water Reclamation Plant serves Carlsbad, California, treating wastewater for approximately 10,654 residents. The facility operates under US EPA and California state regulations for water reclamation.

Not Reported 10,654 Low

Encina WPCF

Carlsbad, California

Encina WPCF in Carlsbad, California serves over 360,000 people. The plant is located within 50 km of the Pacific coast and operates under US EPA and California water quality regulations.

Not Reported 361,646 Medium

SOCWA Coastal WWTP

Dana Point, California

SOCWA Coastal WWTP in Dana Point, California serves about 57,000 people. The plant is located near the coast and operates under US Clean Water Act regulations.

Not Reported 56,966 Medium

FALLBROOK WWTF 1

Fallbrook, California

Fallbrook WWTF 1 serves approximately 33,373 residents in Fallbrook, California. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.

Not Reported 33,373 Low

El Toro Water District WWTF

Dana Point, California

El Toro Water District WWTF serves approximately 51,539 residents in Dana Point, California, with a designed capacity of 1.00 million gallons per day. The plant is located within 50 km of the coast and operates under U.S. Clean Water Act regulations.

Not Reported 51,539 Medium

LEE LAKE WD WWTP

Temescal Valley, California

Lee Lake WD WWTP serves Temescal Valley, California, treating wastewater for approximately 15,344 residents. The plant operates under US EPA and California state regulations, with a designed capacity of 1.00 million gallons per day.

Not Reported 15,344 Low

Temecula Valley Regional WRF

Lake Elsinore, California

Temecula Valley Regional WRF serves over 100,000 people in Lake Elsinore, California. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.

Not Reported 103,092 Low

Rialto WWTP

Rialto, California

Rialto WWTP serves approximately 98,000 residents in Rialto, California. The plant operates under the US Clean Water Act framework, with NPDES permits regulating its discharge.

Not Reported 97,873 Low

Lake Elsinore Regional WWTP

Lake Elsinore, California

Lake Elsinore Regional WWTP serves approximately 33,500 people in Lake Elsinore, California. The plant operates under the US Clean Water Act and NPDES permitting framework.

Not Reported 33,500 Low

Alberhill WWTP

Lake Elsinore, California

Alberhill WWTP serves approximately 28,000 residents in Lake Elsinore, California. The plant operates under the U.S. Clean Water Act, with a designed capacity of 1.00 million gallons per day.

Not Reported 28,000 Low

Railroad Canyon WWTP

Lake Elsinore, California

Railroad Canyon WWTP serves Lake Elsinore, California, treating wastewater for a population of 11,250. The plant has a designed capacity of 1.00 million gallons per day and operates under US EPA and state regulations.

Not Reported 11,250 Low

Michelson WRP

Irvine, California

Michelson WRP in Irvine, California serves approximately 143,000 people. The plant operates under the U. S. Clean Water Act, with NPDES permits regulating its discharge into local waterways.

Not Reported 143,072 Medium

RUNNING SPRINGS WWTF

Running Springs, California

Running Springs WWTF serves approximately 12,000 residents in Running Springs, California. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater facilities.

Not Reported 12,065 Low

COLTON WWTF

Colton, California

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.

Not Reported 60,100 Medium

OCSD WWTP No 2

Costa Mesa, California

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.

Not Reported 3,484,265 High

OCSD WRP No 1

Costa Mesa, California

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.

Not Reported 1,443,610 Medium

Corona WWTP 3

Corona, California

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.

Not Reported 25,000 Low

Corona WWTF 2

Corona, California

Corona WWTF 2 serves approximately 53,000 residents in Corona, California. The plant operates under the US Clean Water Act and NPDES permitting framework.

Not Reported 53,000 Low

Corona WWTF 1

Corona, California

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.

Not Reported 99,000 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, Ralph W Chapman WRF has the highest designed capacity at 1 m3/day.

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