248 plants indexed. Showing 31 matching current filters.
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.
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.
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.
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.
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.
LOTT Budd Inlet Treatment Plant serves Olympia, Washington, treating wastewater for over 62,000 people. The plant discharges into Budd Inlet, part of the Puget Sound estuary.
Oak Harbor STP serves 24,200 people in Oak Harbor, Washington. The plant is located within 50 km of the coast and discharges into the Salish Sea via local waterways.
Mount Vernon Treatment serves approximately 31,940 people in Mount Vernon, Washington. The plant is located within 50 km of the coast and discharges into the Skagit River system, which flows into Puget Sound.
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.
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.
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.
UtilityRadar indexes 248 wastewater treatment plants in Washington, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, Hawks Prairie Recl Water Satellite has the highest designed capacity at 1 m3/day.