Wastewater plants in California

486 plants indexed. Showing 356 matching current filters.

356 plants matching filters

NEWELL WWTF

Newell, California

Newell WWTF is a secondary treatment plant serving 336 people in Newell, California. It discharges 151.42 megaliters of treated wastewater annually, with a designed capacity of 189.27 megaliters.

Secondary 336

Etna Wastewater Treatment Facility

Siskiyou County, California

Etna Wastewater Treatment Facility serves 781 people in Siskiyou County, California, with secondary treatment. The plant has a designed capacity of 378.54 cubic meters per day and discharges 340.69 cubic meters per day.

Secondary 781

DORRIS WWTF

Dorris, California

Dorris WWTF is a secondary treatment plant serving 886 people in Dorris, California. It discharges 340.69 units of treated wastewater daily, with a designed capacity of 473.18 units.

Secondary 886

Lake Shastina WWTF

Lake Shastina, California

Lake Shastina WWTF is a secondary treatment plant serving 713 residents in Lake Shastina, California. It discharges 283.91 units of treated wastewater daily, with a designed capacity of 499.67 units.

Secondary 713

CALPELLA WWTP

Calpella, California

Calpella WWTP is a secondary treatment plant serving 540 people in Calpella, California. It discharges 174.13 million gallons per year and has a designed capacity of 151.42 million gallons per year.

Secondary 540

Oakmont WWTP

Santa Rosa, California

Oakmont WWTP is a secondary treatment plant in Santa Rosa, California, serving 2,300 people. It discharges 757.08 m³/day of treated wastewater into local waterways.

Secondary 2,300

Covelo WWTP

Covelo, California

Covelo WWTP is a secondary treatment plant serving 890 people in Covelo, California. It discharges 264.98 thousand cubic meters of treated wastewater annually, operating under US Clean Water Act regulations.

Secondary 890

GRATON WWTF

Graton, California

GRATON WWTF is a secondary treatment plant serving 1,461 people in Graton, California. It discharges 507.25 thousand cubic meters annually into the local watershed.

Secondary 1,461

SONOMA CO AIRPORT WWTF

Santa Rosa, California

Sonoma Co Airport WWTF is a secondary treatment plant in Santa Rosa, California, serving 370 people. It discharges 113.56 megaliters annually and operates under US EPA NPDES regulations.

Secondary 370

Happy Camp WWTP

Happy Camp, California

Happy Camp WWTP is a secondary treatment plant serving 1,050 people in Happy Camp, California. It discharges 283.91 megaliters annually and has a designed capacity of 681.37 megaliters.

Secondary 1,050

Willow Creek WWTF

Lake Arrowhead, California

Willow Creek WWTF is a secondary treatment plant serving 1,754 people in Lake Arrowhead, California. It discharges 757.08 cubic meters per day into the local watershed.

Secondary 1,754

REDWAY WWTF

Redway, California

REDWAY WWTF is a secondary treatment plant serving 888 residents in Redway, California. It discharges 416.40 units of treated wastewater daily, with a designed capacity of 757.08 units.

Secondary 888

Occidental WWTF

Santa Rosa, California

Occidental WWTF is a secondary treatment plant serving 2,543 people in Santa Rosa, California. It discharges treated wastewater into the local watershed, operating under US EPA and state regulations.

Secondary 2,543

Hopland Band WWTP

Old Hopland, California

Hopland Band WWTP in Old Hopland, California provides advanced treatment for a small community. The plant serves 140 people with a design capacity of 946.35 m³/day and discharges 75.71 m³/day.

Advanced 140

HOPLAND WWTF

Pieta, California

HOPLAND WWTF is a secondary treatment plant serving 300 people in Pieta, California. It discharges approximately 227 cubic meters per day and operates under US EPA and state regulations.

Secondary 300

GARBERVILLE WWTF

Briceland, California

GARBERVILLE WWTF is a secondary treatment plant serving 1,300 people in Briceland, California. It discharges 151.42 megaliters annually and operates under US EPA NPDES regulations.

Secondary 1,300

FORESTVILLE WWTF

Forestville, California

Forestville WWTF is a secondary treatment plant serving 827 residents in Forestville, California. It discharges 193.06 megaliters per year and operates under US EPA NPDES regulations.

Secondary 827

MONTAGUE WWTF

Montague, California

Montague WWTF is an advanced treatment plant serving 1,456 people in Montague, California. It discharges 643.52 million gallons per year and operates under US EPA NPDES regulations.

Advanced 1,456

TULELAKE STP

Tulelake, California

TULELAKE STP is a secondary wastewater treatment plant serving Tulelake, California. It treats an average daily flow of 643.52 units against a design capacity of 757.08 units, supporting a population of 2,221.

Secondary 2,221

Lower Moosa Canyon WRF

San Diego County, California

Lower Moosa Canyon WRF serves 2,100 people in San Diego County, California. The plant has a designed capacity of 1.00 million gallons per day and operates under U.S. Clean Water Act regulations.

Not Reported 2,100

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, Oakmont WWTP has the highest designed capacity at 2,461 m3/day.

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