248 plants indexed. Showing 47 matching current filters.
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.
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.
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.
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.
Big Gulch WWTP serves Mukilteo, Washington, treating wastewater for approximately 27,656 residents. The plant operates under U.S. EPA and Washington State regulations, discharging treated effluent into the Puget Sound ecosystem.
Birch Bay STP serves 5,500 people in Cottonwood Beach, Washington. The plant operates under the US Clean Water Act NPDES permitting program for municipal wastewater treatment.
Blaine STP serves approximately 4,705 residents in Blaine, Washington. Located near Semiahmoo Spit, the plant discharges into the Salish Sea via local waterways.
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.
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.
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.
Chambers Creek wastewater treatment plant serves University Place, Washington, a large agglomeration of over 134,000 people. The facility is located within 50 km of the coast and discharges into the Puget Sound watershed.
The City of Westport WW Treatment_Sewer plant serves approximately 2,022 residents in Westport, Washington, USA. It is located near the coast of Grays Harbor County, discharging into the Pacific Ocean watershed.
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.
Everett WWTP serves approximately 149,000 people in Washington, USA. The facility is located near the coast and discharges into the Puget Sound ecosystem.
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.
Gig Harbor STP serves approximately 14,947 residents in Washington, USA. The plant discharges treated wastewater into the Puget Sound watershed, supporting local water quality and marine ecosystem health.
Hawks Prairie Recl Water Satellite in Lacey, Washington serves approximately 18,779 people. The plant operates under the US Clean Water Act framework, with a designed capacity of 1.00 million gallons per day.
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.
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.
King County South Treatment Plant in Renton, Washington, serves approximately 787,000 people. It is a major regional facility within 50 km of the Pacific coast, operating under the US Clean Water Act.