Wastewater plants in California

486 plants indexed. Showing 53 matching current filters.

53 plants matching filters

ISLETON WWTF

Isleton, California

Isleton WWTF is a secondary treatment plant serving 828 residents in Isleton, California. It discharges 681.37 million gallons per year into the Sacramento-San Joaquin Delta ecosystem.

Secondary 828

NYELAND ACRES WWTF

Niland, California

Nyeland Acres WWTF is a secondary treatment plant serving 1,052 people in Niland, California. It discharges 643.52 units of treated wastewater near the Salton Sea, a critical inland water body.

Secondary 1,052

MONTALVO WWTF

San Buenaventura (Ventura), California

Montalvo WWTF is a secondary treatment plant in San Buenaventura (Ventura), California, serving 2,400 people. It discharges treated wastewater near the Pacific coast, operating under US EPA NPDES regulations.

Secondary 2,400

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

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

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

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

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

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

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

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

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

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

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

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

COUNTRY CLUB EST WWTF

Los Osos, California

Country Club Est WWTF is a secondary treatment plant serving 1,400 people in Los Osos, California. It discharges 75.71 million gallons per year and is located within 10 km of the coast.

Secondary 1,400

CHUALAR TREATMENT PONDS

Salinas, California

Chualar Treatment Ponds in Salinas, California provides secondary treatment for a small population of 1,190. The plant discharges 151.42 megaliters of treated wastewater annually.

Secondary 1,190

Lake Cachuma County Park WWTF

Santa Barbara County, California

Lake Cachuma County Park WWTF is a secondary treatment plant serving 1,390 people in Santa Barbara County, California. It discharges treated wastewater into the local watershed near Lake Cachuma.

Secondary 1,390

LOG CABIN RANCH WWTF

La Honda, California

Log Cabin Ranch WWTF is a secondary treatment plant serving 220 people in La Honda, California. It discharges 68.14 megaliters per year and is located within 10 km of the Pacific coast.

Secondary 220

BOLINAS WWTF

Bolinas, California

Bolinas WWTF is a secondary treatment plant serving 885 residents in Bolinas, California. It discharges 174.13 units of treated wastewater daily, with a designed capacity of 246.05 units.

Secondary 885

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, ISLETON WWTF has the highest designed capacity at 1,628 m3/day.

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