248 plants indexed. Showing 48 matching current filters.
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.
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.
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.
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.
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.
Marysville Lagoon serves approximately 60,660 people in Marysville, Washington. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
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.
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.
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.
North Bay WWTP in Belfair, Washington, serves a population of 4,175. The plant operates under the U.S. Clean Water Act, with a designed capacity of 1.00 million gallons per day.
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.
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.
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.
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 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.
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.
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.
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.
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.