248 plants indexed. Showing 135 matching current filters.
Ephrata S_T Facility is a municipal wastewater treatment plant serving approximately 6,890 people in Ephrata, Washington, United States. It operates under the US Clean Water Act framework.
Everett WWTP serves approximately 149,000 people in Washington, USA. The facility is located near the coast and discharges into the Puget Sound ecosystem.
Ferndale STP serves approximately 11,530 residents in Ferndale, Washington. The plant operates under the U.S. Clean Water Act, with a designed capacity of 1.00 million gallons per day.
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.
GOLDENDALE POTW serves Centerville, Washington, treating wastewater for approximately 3,425 residents. The plant operates under U.S. Clean Water Act regulations for small communities.
GRANDVIEW STP serves approximately 10,920 residents in Grandview, Washington. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater.
Granite Falls STP serves approximately 3,370 residents in Granite Falls, Washington. The plant operates under the U.S. Clean Water Act, ensuring treated wastewater meets environmental standards before discharge.
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.
Kalama Wastewater Treatment Plant serves the city of Kalama, Washington, USA. It treats wastewater from approximately 2,515 residents and discharges into the local watershed.
Kennewick POTW is a municipal wastewater treatment plant serving approximately 74,665 people in Kennewick, Washington. It operates under the U. S. Clean Water Act and EPA NPDES permitting framework.
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.
KITTITAS STP serves the community of Kittitas, Washington, treating wastewater for approximately 1,430 residents. The plant is located inland, over 50 km from the coast, and discharges into the local watershed.
LA CENTER STP serves approximately 2,935 residents in La Center, Washington. The plant treats municipal wastewater before discharging 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.
Leavenworth City of POTW serves approximately 1,970 residents in Leavenworth, Washington. The plant treats municipal wastewater before discharging into the local watershed.
Liberty Lake STP serves 9,255 residents in Liberty Lake, Washington, as part of the municipal wastewater infrastructure. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.