14,814 plants indexed. Showing 864 matching current filters.
Marysville Lagoon serves approximately 60,660 people in Marysville, Washington. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
The Lynnwood Treatment System in Edmonds, Washington serves approximately 35,860 people. It is located within 50 km of the coast and discharges into the local watershed.
Lake Stevens STP serves approximately 28,210 people in Snohomish County, Washington. The plant operates under the U.S. Clean Water Act and discharges treated wastewater into the local watershed.
LAKOTA STP serves approximately 50,050 people in Federal Way, Washington. The plant is located near the coast and discharges into the Puget Sound watershed.
CENT KITSAP REG STP is a municipal wastewater treatment plant serving approximately 44,476 people in Brownsville, Washington. It operates under the US Clean Water Act framework with NPDES permitting.
Ilwaco Wastewater Treatment Plant serves approximately 8,100 residents in Ilwaco, Washington. It is located within 50 km of the Pacific coast, discharging treated effluent into the Columbia River estuary.
Hoquiam Wastewater Treatment Plant serves 8,650 people in Hoquiam, Washington. Located within 50 km of the coast, it discharges into Grays Harbor estuary on the Pacific coast.
Friday Harbor STP serves 2,680 residents in Friday Harbor, Washington. The plant discharges treated wastewater into the surrounding marine environment of the Salish Sea.
Everett WWTP serves approximately 149,000 people in Washington, USA. The facility is located near the coast and discharges into the Puget Sound ecosystem.
Edmonds STP serves approximately 73,790 residents in Edmonds, Washington. The plant is located within 50 km of the coast and discharges treated wastewater into the Puget Sound ecosystem.
Midway Sewer District WWTP serves Des Moines, Washington, treating wastewater for a population of approximately 43,616. The plant is located within 50 km of the coast and discharges into the Puget Sound watershed.
Burlington Treatment serves 9,074 people in Burlington, Washington. The plant operates under the US Clean Water Act NPDES permit program, discharging treated wastewater into the Skagit River basin.
Bremerton West Plant STP serves approximately 48,000 people in Bremerton, Washington. The facility is located within 50 km of the coast and discharges treated wastewater into the Puget Sound watershed.
Blaine STP serves approximately 4,705 residents in Blaine, Washington. Located near Semiahmoo Spit, the plant discharges into the Salish Sea via local waterways.
Bellingham Post Point TP serves approximately 90,453 people in Bellingham, Washington. The plant is located near the coast and operates under U. S. EPA NPDES permitting.
Anacortes STP serves approximately 17,644 residents in Anacortes, Washington. The plant is located within 50 km of the coast and discharges into the local watershed.
Alderwood Water and Wastewater Dist serves over 131,000 people in Snohomish County, Washington. The plant is located near Puget Sound and operates under US EPA and Washington state regulations.
Aberdeen STP serves approximately 23,515 residents in Aberdeen, Washington. The plant operates under the U.S. Clean Water Act framework, discharging treated wastewater into the Grays Harbor estuary.
Lower Potomac STP in Lorton, Virginia serves over 350,000 people. The plant discharges treated wastewater into the Potomac River, which flows into the Chesapeake Bay.
Arlington County Water Pollution Control Plant (WPCP) serves over 248,000 residents in Arlington, Virginia. The plant discharges treated wastewater into the Potomac River, which flows into the Chesapeake Bay.
UtilityRadar indexes 14814 wastewater treatment plants in United States, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MARYSVILLE LAGOON has the highest designed capacity at 1 m3/day.