486 plants indexed.
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.
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.
San Clemente WRP is a municipal wastewater treatment plant in San Clemente, California, serving approximately 48,000 people. The facility is located within 50 km of the Pacific Ocean coast.
Hale Avenue RRF serves Escondido, California, treating wastewater for approximately 143,000 residents. The plant operates under the US Clean Water Act and NPDES permit framework.
South Bay WRP in San Diego, California serves over 134,000 people. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
North City WRP is a major wastewater treatment plant in San Diego, California, serving over 330,000 people. It operates under the US Clean Water Act and NPDES permitting framework.
Point Loma WWTF is a major wastewater treatment facility in San Diego, California, serving over 2 million people. It operates under the US Clean Water Act and discharges treated effluent into the Pacific Ocean.
San Elijo WRF in Encinitas, California serves 26,600 people. The plant operates under the US Clean Water Act NPDES program, discharging treated wastewater into the Pacific Ocean via the San Elijo Lagoon.
Santa Maria Reclamation Plant in Ramona, California serves 9,300 people. It operates under the US Clean Water Act with a designed capacity of 1.00 million gallons per day.
Latham WWTP in Dana Point, California serves approximately 163,559 people. The plant is located within 50 km of the coast and discharges into the local watershed.
Rancho Santa Fe WWTF serves about 5,400 residents in Del Mar, California. The plant is located within 50 km of the Pacific coast and operates under U.S. EPA and California state regulations.
UtilityRadar indexes 486 wastewater treatment plants in California, with treatment level, capacity, operator and discharge data on each record.
Among the plants on this page, the most-referenced operator is City of San Diego Public Utilities Department. UtilityRadar's records show 3 plants linked to this operator.
Among the indexed plants, MONTAGUE WWTF has the highest designed capacity at 909 m3/day.