14,814 plants indexed. Showing 1,131 matching current filters.
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.
Brightwater Treatment Plant in Maltby, Washington serves approximately 597,000 people. It is a major facility in the Puget Sound region, operating under U. S. EPA and Washington State regulations.
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.
REDONDO STP serves Federal Way, Washington, treating wastewater for approximately 35,420 residents. The plant operates under U.S. EPA and Washington state regulations, discharging treated effluent into the Puget Sound 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.
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.
Salmon Creek STP serves Clark County, Washington, treating wastewater for approximately 90,000 residents. The plant operates under the U. S. Clean Water Act, with discharge likely to the Columbia 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.
UtilityRadar indexes 14814 wastewater treatment plants in United States, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, GIG HARBOR STP has the highest designed capacity at 1 m3/day.