Wastewater plants in California

486 plants indexed. Showing 143 matching current filters.

143 plants matching filters

OAKHURST WWTF

Oakhurst, California

Oakhurst WWTF is a secondary treatment plant serving 1,726 people in Oakhurst, California. It discharges 416.40 units of treated wastewater daily, with a designed capacity of 946.35 units.

Secondary 1,726 Low

PLYMOUTH WWTF

Amador County, California

PLYMOUTH WWTF is a secondary treatment plant serving 1,744 people in Amador County, California. It discharges treated wastewater at a volume of 416.40 units, operating under U.S. EPA and state regulations.

Secondary 1,744 Low

Six Mile Village WWTF

Calaveras County, California

Six Mile Village WWTF is a secondary treatment plant serving 133 people in Calaveras County, California. It discharges 37.85 megaliters of treated wastewater annually.

Secondary 133 Low

Wilseyville STP

Hams, California

Wilseyville STP is a secondary treatment plant serving 90 people in Hams, California. It discharges 26.50 volume units and has a designed capacity of 34.07 volume units.

Secondary 90 Low

MOTHER LODE WWTF

Calaveras County, California

MOTHER LODE WWTF is a secondary treatment plant in Calaveras County, California, serving 133 people with a design capacity of 113.56 m³/day and a discharge volume of 37.85 m³/day.

Secondary 133 Low

Arnold STP

Ganns, California

Arnold STP is a secondary wastewater treatment plant serving 900 people in Ganns, California. It discharges 302.83 megaliters annually and operates under U.S. EPA and state regulations.

Secondary 900 Low

Vallecito_Douglas Flat WWTF

Murphys, California

Vallecito_Douglas Flat WWTF is a secondary treatment plant in Murphys, California, serving 400 people. It discharges 151.42 units of treated wastewater daily, with a designed capacity of 246.05 units.

Secondary 400 Low

West Point STP

Calaveras County, California

West Point STP is a secondary treatment plant serving about 3,000 people in Calaveras County, California. It discharges 946.35 cubic meters of treated wastewater daily, with a designed capacity of 2,195.53 cubic meters.

Secondary 3,000 Low

Snelling WWTF

Snelling, California

Snelling WWTF is a secondary treatment plant serving 380 people in Snelling, California. It discharges 113.56 million gallons per year with a designed capacity of 227.12 million gallons.

Secondary 380 Low

Maxwell WWTP

Maxwell, California

Maxwell WWTP is a secondary treatment facility serving approximately 1,190 residents in Maxwell, California. The plant discharges treated wastewater into local waterways, supporting the Sacramento River watershed.

Secondary 1,190 Low

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 Low

GRAYSON WWTF

Galt, California

Grayson WWTF is a secondary treatment plant serving 802 people in Galt, California. It discharges 264.98 cubic meters per day and has a designed capacity of 378.54 cubic meters per day.

Secondary 802 Low

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 Low

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 Low

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 Low

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 Medium

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 Medium

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

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, West Point STP has the highest designed capacity at 2,196 m3/day.

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