Wastewater plants in California

486 plants indexed. Showing 321 matching current filters.

321 plants matching filters

North City WRP

San Diego, California

North City WRP is a major wastewater treatment plant in San Diego, California, serving over 330,000 people. It operates under the US Clean Water Act and NPDES permitting framework.

Not Reported 330,339 Medium

Point Loma WWTF

San Diego, California

Point Loma WWTF is a major wastewater treatment facility in San Diego, California, serving over 2 million people. It operates under the US Clean Water Act and discharges treated effluent into the Pacific Ocean.

Not Reported 2,066,532 Medium

San Elijo WRF

Encinitas, California

San Elijo WRF in Encinitas, California serves 26,600 people. The plant operates under the US Clean Water Act NPDES program, discharging treated wastewater into the Pacific Ocean via the San Elijo Lagoon.

Not Reported 26,600 Medium

Santa Maria Reclamation Plant

Ramona, California

Santa Maria Reclamation Plant in Ramona, California serves 9,300 people. It operates under the US Clean Water Act with a designed capacity of 1.00 million gallons per day.

Not Reported 9,300 Low

Latham WWTP

Dana Point, California

Latham WWTP in Dana Point, California serves approximately 163,559 people. The plant is located within 50 km of the coast and discharges into the local watershed.

Not Reported 163,559 Medium

Rancho Santa Fe WWTF

Del Mar, California

Rancho Santa Fe WWTF serves about 5,400 residents in Del Mar, California. The plant is located within 50 km of the Pacific coast and operates under U.S. EPA and California state regulations.

Not Reported 5,388 Low

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

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.

Who operates wastewater treatment in California?

Among the plants on this page, the most-referenced operator is City of San Diego Public Utilities Department. UtilityRadar's records show 2 plants linked to this operator.

What is the largest wastewater treatment plant in California?

Among the indexed plants, North City WRP has the highest designed capacity at 1 m3/day.

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