Wastewater plants in California

486 plants indexed. Showing 93 matching current filters.

93 plants matching filters

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

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

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

Brentwood WWTP

Pleasant Hill, California

Brentwood WWTP serves approximately 53,194 people in Pleasant Hill, California. The plant is located within 50 km of the coast and operates under U.S. EPA and state regulations.

Not Reported 53,194

Oxnard WWTP

Oxnard, California

Oxnard WWTP serves over 227,000 people in Oxnard, California, as a major municipal wastewater facility. Located near the coast, it operates under US EPA and California regulations.

Not Reported 227,265

Tapia WRF

Unincorporated Santa Monica Mountains, California

Tapia WRF serves approximately 89,500 people in the Unincorporated Santa Monica Mountains, California. The plant is located within 50 km of the coast and discharges into the local watershed.

Not Reported 89,495

Camrosa Water Reclamation Facility

Ventura County, California

Camrosa Water Reclamation Facility in Ventura County, California serves approximately 17,740 people. The plant operates under U.S. EPA and state regulations for wastewater treatment and discharge.

Not Reported 17,740

AVALON WWRF

Avalon, California

Avalon WWRF serves the island community of Avalon, California, treating wastewater for approximately 6,300 residents. The plant is located on Santa Catalina Island, within 50 km of the coast.

Not Reported 6,300

Terminal Island WWTP

Los Angeles, California

Terminal Island WWTP serves 130,000 people in Los Angeles, California. Located near the Port of Los Angeles, it operates under US EPA NPDES permits for coastal discharge.

Not Reported 130,000

Ventura Water Reclamation Facility

San Buenaventura (Ventura), California

Ventura Water Reclamation Facility serves over 107,000 people in San Buenaventura (Ventura), California. The plant operates under the US Clean Water Act, discharging treated wastewater into the Santa Clara River watershed which drains to the Pacific

Not Reported 107,166

OJAI VALLEY SD WWTF

Weldons, California

Ojai Valley SD WWTF serves approximately 20,000 people in Weldons, California. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.

Not Reported 20,000

SO SAN LUIS OB CO WWTF

Oceano Beach, California

SO SAN LUIS OB CO WWTF serves Oceano Beach, California, treating wastewater for approximately 70,000 residents. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.

Not Reported 70,358

GUADALUPE WWTF

Santa Barbara County, California

GUADALUPE WWTF serves 7,000 people in Santa Barbara County, California. The plant operates under the US Clean Water Act and NPDES permitting framework.

Not Reported 7,000

CALIF MENS COLONY WWTF

San Luis Obispo County, California

CALIF MENS COLONY WWTF serves San Luis Obispo County, California, treating wastewater for approximately 11,637 people. The plant operates under U.S. EPA and state regulations, discharging treated effluent into local waterways.

Not Reported 11,637

Carpinteria WWTF

Carpinteria, California

Carpinteria WWTF serves 16,000 people in Carpinteria, California. The plant is located within 50 km of the Pacific coast and operates under U.S. Clean Water Act regulations.

Not Reported 16,000

MONTECITO WWTF

Montecito, California

Montecito WWTF serves approximately 9,500 residents in Montecito, California. The plant operates under U.S. EPA and state regulations, discharging treated wastewater into the local watershed.

Not Reported 9,500

Lompoc Regional WRP

Lompoc, California

Lompoc Regional WRP is a municipal wastewater treatment plant serving approximately 57,000 people in Lompoc, California. The facility operates under the U.S. Clean Water Act and discharges treated effluent into the Santa Ynez River watershed.

Not Reported 57,123

Watsonville WWTF

Watsonville, California

Watsonville WWTF serves approximately 64,622 residents in Watsonville, California. The plant is located near the coast and discharges treated wastewater into local waterways.

Not Reported 64,622

Summerland WWTP

Summerland, California

Summerland WWTP serves approximately 2,000 residents in Summerland, California. The plant has a designed capacity of 1.00 million gallons per day and is located within 50 km of the Pacific coast.

Not Reported 2,000

SANTA BARBARA WWTF

Santa Barbara, California

Santa Barbara WWTF serves 89,082 people in Santa Barbara, California. The plant is located within 50 km of the coast and discharges treated wastewater into the Pacific Ocean.

Not Reported 89,082

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 Los Angeles Bureau of Sanitation. UtilityRadar's records show 1 plant linked to this operator.

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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