Wastewater plants in California

486 plants indexed. Showing 355 matching current filters.

355 plants matching filters

TRANQUILLITY WWTF

Fresno County, California

Tranquillity WWTF is a secondary treatment plant in Fresno County, California, serving 1,473 people. It discharges 492.10 units of treated wastewater daily, operating under U.S. Clean Water Act regulations.

Secondary 1,473

Newcastle WWTF

Placer County, California

Newcastle WWTF is a secondary treatment plant in Placer County, California, serving 1,112 people. It discharges 378.54 megaliters of treated wastewater annually, with a designed capacity of 681.37 megaliters.

Secondary 1,112

COULTERVILLE WWTF

Mariposa County, California

COULTERVILLE WWTF is a secondary treatment plant in Mariposa County, California, serving a small population of 280. It discharges 64.35 units of treated wastewater daily, with a designed capacity of 102.21 units.

Secondary 280

Piru WWTF

Ventura County, California

Piru WWTF is an advanced wastewater treatment plant in Ventura County, California, serving 2,250 people. It discharges 870.65 acre-feet of treated water annually, with a designed capacity of 1,892.70 acre-feet.

Advanced 2,250

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

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

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

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

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

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

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

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

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

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

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 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

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

FORT JONES WWTF

Fort Jones, California

Fort Jones WWTF is a secondary treatment plant serving 660 residents in Fort Jones, California. It discharges 181.70 volume units daily with a designed capacity of 238.48 volume units.

Secondary 660

Geyserville WWTF

Geyserville, California

Geyserville WWTF is an advanced treatment plant serving 809 people in Geyserville, California. It discharges 234.70 units of treated wastewater and has a designed capacity of 348.26 units.

Advanced 809

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, Piru WWTF has the highest designed capacity at 1,893 m3/day.

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