Wastewater plants in California

486 plants indexed.

486 plants

LA CANADA WRP

La Cañada Flintridge, California

LA Canada WRP is a secondary treatment plant in La Cañada Flintridge, California, serving 1,700 people. It discharges 757.08 cubic meters of treated wastewater daily.

Secondary 1,700 Low

PAIGE AFFLERBAUGH WWTF

Los Angeles County, California

PAIGE AFFLERBAUGH WWTF is a secondary treatment plant in Los Angeles County, California, serving 188 people with a design capacity of 113.56 volume units. It discharges treated wastewater inland, supporting local water quality.

Secondary 188 Low

MUNTZ MENDENHALL WWTF

Unincorporated Santa Monica Mountains, California

MUNTZ MENDENHALL WWTF is a secondary treatment plant serving 199 people in Unincorporated Santa Monica Mountains, California. It discharges 75.71 units of treated wastewater daily.

Secondary 199 Medium

MILLER KILPATRICK WWTF

Unincorporated Santa Monica Mountains, California

Miller Kilpatrick WWTF is a secondary treatment plant serving 351 people in the Santa Monica Mountains, California. It discharges 113.56 megaliters per year and is located within 10 km of the coast.

Secondary 351 High

MALIBU WWTF

Malibu, California

Malibu WWTF is a secondary treatment plant serving 500 people in Malibu, California. It discharges approximately 110 million gallons per year and is located within 10 km of the Pacific coast.

Secondary 500 High

TRANCAS WWTF

Malibu, California

TRANCAS WWTF is a secondary treatment plant serving 820 people in Malibu, California. It discharges treated wastewater near the Pacific coast, operating under US EPA and state regulations.

Secondary 820 Medium

WARM SPRINGS REHAB WWTF

Los Angeles County, California

Warm Springs Rehab WWTF is a secondary treatment plant in Los Angeles County, California, serving 264 people. It discharges 151.42 volume units daily with a designed capacity of 227.12.

Secondary 264 Low

GORMAN WWTF

Kern County, California

Gorman WWTF is a secondary treatment plant in Kern County, California, serving 251 people. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 227.12 units.

Secondary 251 Low

BIG BASIN ST PK WWTF

Santa Cruz County, California

Big Basin St PK WWTF is an advanced wastewater treatment plant in Santa Cruz County, California, serving 855 people. It discharges 75.71 units of treated wastewater daily.

Advanced 855 Medium

TRES PINOS WWTF

Tres Pinos, California

TRES PINOS WWTF is a secondary treatment plant serving 350 people in Tres Pinos, California. It discharges 94.64 m³/day of treated wastewater into local waterways.

Secondary 350 Low

SAN ARDO WWTF

Valleton, California

SAN ARDO WWTF is a secondary treatment plant serving 500 people in Valleton, California. It discharges 302.83 m³/day of treated wastewater, operating under US EPA NPDES regulations.

Secondary 500 Low

Oak Shores WWTF

Oak Shores, California

Oak Shores WWTF is a secondary treatment plant serving 751 residents in Oak Shores, California. It discharges 193.06 volume units daily, with a designed capacity of 287.69 volume units.

Secondary 751 Low

CUYAMA WWTF

New Cuyama, California

CUYAMA WWTF is a secondary treatment plant in New Cuyama, California, serving 800 people. It discharges 151.42 megaliters annually and has a designed capacity of 567.81 megaliters.

Secondary 800 Low

AVILA BEACH WWTF

Avila Beach, California

Avila Beach WWTF is a secondary treatment plant serving 500 people in Avila Beach, California. It discharges 227.13 m³/day of treated wastewater near the Pacific coast.

Secondary 500 Medium

BEAR CREEK ESTATES WWTF

Santa Cruz County, California

Bear Creek Estates WWTF is a secondary treatment plant serving 200 people in Santa Cruz County, California. It discharges 37.85 units of treated wastewater daily.

Secondary 200 Low

SAN JUAN BAUTISTA WWTF

San Juan Bautista, California

San Juan Bautista WWTF is a secondary treatment plant serving 1,800 people in California. It discharges 757.08 m³/day of treated wastewater, with a designed capacity of 1,022.06 m³/day.

Secondary 1,800 Low

Pfeiffer Big Sur WWTF

Monterey County, California

Pfeiffer Big Sur WWTF is an advanced treatment plant serving 500 people in Monterey County, California. It discharges 208.20 megaliters of treated wastewater annually, with a designed capacity of 378.54 megaliters.

Advanced 500 Low

Boulder Creek WWTF

Santa Cruz County, California

Boulder Creek WWTF in Santa Cruz County, California, is a secondary treatment plant serving 700 people. It discharges 151.42 units of treated wastewater and has a designed capacity of 757.08 units.

Secondary 700 Low

SAN SIMEON ACRES WWTF

San Simeon, California

SAN SIMEON ACRES WWTF is a secondary treatment plant serving 3,750 people in San Simeon, California. It discharges 378.54 m³/day of treated wastewater near the Pacific coast.

Secondary 3,750 Medium

SAN MIGUEL STP

San Miguel, California

SAN MIGUEL STP is a secondary treatment plant serving 1,400 people in San Miguel, California. It discharges 378.54 m³/day of treated wastewater into the local watershed.

Secondary 1,400 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, SAN JUAN BAUTISTA WWTF has the highest designed capacity at 1,022 m3/day.

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