486 plants indexed.
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.
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.
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.
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.
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.
Miranda WWTF is a secondary treatment plant in Eureka, California, serving 825 people. It discharges 151.42 volume units and is located within 10 km of the coast.
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.
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.
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.
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.
Ferndale WWTF is a secondary treatment plant serving 1,457 people in Port Kenyon, California. It discharges treated wastewater near the coast, operating under the US Clean Water Act.
Westport STF is a secondary wastewater treatment plant in Mendocino County, California, serving 285 people. It discharges 94.64 million gallons per year and is located within 10 km of the Pacific coast.
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.
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.
4S Ranch Wastewater Treatment Plant in Carlsbad, California serves approximately 59,518 people. The facility is located within 50 km of the Pacific coast and operates under U.S. EPA and California state regulations.
Los Alisos WRP in Dana Point, California serves 46,500 people. The plant is within 50 km of the coast and discharges into the San Juan Creek watershed, ultimately reaching the Pacific Ocean.
MNWD WWTP 3 A serves Mission Viejo, California, treating wastewater for approximately 63,100 residents. The plant operates under the US Clean Water Act and discharges into the local watershed.
Oso Creek WWRF in Mission Viejo, California serves about 31,400 people. The plant is located within 50 km of the coast and discharges into the local watershed.
San Luis Rey WWTP in Oceanside, California serves approximately 178,575 people. The plant operates under the US Clean Water Act and EPA NPDES permit program.
La Salina WWTF is a municipal wastewater treatment facility in Oceanside, California, serving approximately 40,000 people. It operates under the US Clean Water Act framework with NPDES permitting.
UtilityRadar indexes 486 wastewater treatment plants in California, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, Hopland Band WWTP has the highest designed capacity at 946 m3/day.