248 plants indexed. Showing 84 matching current filters.
Ocean Shores STP serves about 10,600 residents in Washington State. The plant discharges treated wastewater near the Pacific coast, operating under U.S. EPA and state regulations.
Tumwater Reclaimed Water Plant is a projected facility in Tumwater, Washington, serving approximately 19,638 people. It is designed to support water reclamation and reuse in the Pacific Northwest region.
LUMMI TRIBE STP serves approximately 3,022 people in Whatcom County, Washington. The plant is located within 50 km of the coast and discharges into the local watershed.
Long Beach WWTP serves approximately 3,475 residents in Long Beach, Washington. The plant has a designed capacity of 1.00 million gallons per day and is located near the Pacific coast.
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.
TACOMA 3 STP NORTH is a municipal wastewater treatment plant serving approximately 55,050 people in Tacoma, Washington. Located within 50 km of the coast, it discharges into the Puget Sound ecosystem.
TACOMA CENTRAL STP 1 serves Tacoma, Washington, treating wastewater for approximately 218,000 people. The plant discharges into the Puget Sound, a vital marine ecosystem in the Pacific Northwest.
Stanwood S_T Facility is a municipal wastewater treatment plant serving approximately 5,445 people in Stanwood, Washington. It operates under the U.S. Clean Water Act framework with a designed capacity of 1.00 million gallons per day.
Salmon Creek STP 1 in Burien, Washington serves over 27,000 people. The plant operates under the U.S. Clean Water Act, with discharge likely into the Puget Sound basin.
Miller Creek STP serves Normandy Park, Washington, treating wastewater for over 31,000 residents. The plant is located near the coast and discharges into the Puget Sound watershed.
Snohomish Wastewater System serves 9,200 people in Snohomish, Washington. The plant operates under U.S. Clean Water Act regulations with a designed capacity of 1.00 million gallons per day.
Shelton STP serves about 9,870 people in Shelton, Washington. The plant is located within 50 km of the coast and discharges into the local watershed.
SEQUIM STP is a wastewater treatment plant in Clallam County, Washington, serving approximately 6,625 people. The plant is located within 50 km of the coast and has a designed capacity of 1.00 million gallons per day.
Puyallup STP serves approximately 37,240 people in Waller, Washington. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge into the Puyallup River watershed.
Port Townsend STP serves 9,180 residents in Washington, USA. The plant discharges treated wastewater into the local watershed, supporting environmental health in the Puget Sound region.
Port Orchard WWTP serves Parkwood, Washington, treating wastewater from a population of about 11,440. The plant is located within 50 km of the coast and discharges into the Puget Sound watershed.
Port Angeles WWTP serves 19,080 people in Washington, USA. Located near the Strait of Juan de Fuca, it operates under the US Clean Water Act with NPDES permitting.
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.
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.
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.
UtilityRadar indexes 248 wastewater treatment plants in Washington, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, OCEAN SHORES STP has the highest designed capacity at 1 m3/day.