Wastewater plants in California

486 plants indexed.

486 plants

KNIGHTS LANDING WWTF

Knights Landing, California

Knights Landing WWTF is a secondary treatment plant serving 663 people in California. It discharges 227.13 megaliters annually and has a designed capacity of 416.39 megaliters.

Secondary 663 Low

MARIPOSA WWTF

Mariposa, California

Mariposa WWTF is a secondary treatment plant serving 2,246 people in Mariposa, California. It discharges treated wastewater into local waterways, supporting the Sierra Nevada foothills ecosystem.

Secondary 2,246 Low

GROVELAND WWTF

San Joaquin County, California

Groveland WWTF is a secondary treatment plant in San Joaquin County, California, serving 3,550 people. It discharges 454.25 units of treated wastewater daily, with a designed capacity of 567.81 units.

Secondary 3,550 Low

Geyla Mannor Wastewater Plant

Ranch House Estates, California

Geyla Mannor Wastewater Plant in Ranch House Estates, California, serves 225 people with secondary treatment. It discharges 56.78 units of treated wastewater daily, operating under US Clean Water Act regulations.

Secondary 225 Low

KETTLEMAN CITY STP

Kings County, California

Kettleman City STP is a secondary treatment plant in Kings County, California, serving a population of 1,528. It discharges 416.40 units of treated wastewater daily, with a designed capacity of 832.79 units.

Secondary 1,528 Low

Santa Nella WWTF

Santa Nella, California

Santa Nella WWTF is a secondary treatment plant serving 655 people in Santa Nella, California. It discharges 75.71 million gallons per year and has a designed capacity of 151.42 million gallons per year.

Secondary 655 Low

RICHGROVE WWTF

Tulare County, California

RICHGROVE WWTF is a secondary treatment plant in Tulare County, California, serving 2,200 people. It discharges 832.79 units of treated wastewater and operates under US EPA NPDES regulations.

Secondary 2,200 Low

BEAR VALLEY WWTF

Kern County, California

Bear Valley WWTF in Kern County, California, is an advanced treatment plant serving 1,000 people. It discharges 227.13 megaliters annually and operates under US Clean Water Act regulations.

Advanced 1,000 Low

DEL REY WWTF

Del Rey, California

DEL REY WWTF is a secondary treatment plant serving 1,650 people in Del Rey, California. It discharges 681.37 thousand cubic meters of treated wastewater annually, operating under the US Clean Water Act.

Secondary 1,650 Low

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

Forest Meadows STP

Murphys, California

Forest Meadows STP is an advanced wastewater treatment plant serving 3,000 people in Murphys, California. It operates with a designed capacity of 715.44 m³/day and discharges 681.37 m³/day.

Advanced 3,000 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

Copper Cove STP

Calaveras County, California

Copper Cove STP is an advanced wastewater treatment plant in Calaveras County, California, serving approximately 2,783 people. It discharges treated water into local waterways, supporting environmental protection in the region.

Advanced 2,783 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

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, MARIPOSA WWTF has the highest designed capacity at 2,309 m3/day.

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