248 plants indexed. Showing 244 matching current filters.
SUQUAMISH STP is a secondary treatment plant serving 3,510 people on the Port Madison Indian Reservation in Washington, USA. It discharges 378.54 m³/day of treated wastewater near the Puget Sound coast.
TAHOLAH STP is a secondary treatment plant serving 755 people in Grays Harbor County, Washington. It discharges 302.83 units of treated wastewater near the Pacific coast.
Tamoshan WWTP is a secondary treatment plant in Olympia, Washington, serving 292 people. It discharges 189.27 cubic meters of treated wastewater daily, located within 10 km of the coast.
Tekoa S_T Facility is a secondary treatment plant serving 820 people in Tekoa, Washington. It discharges 757.08 cubic meters of treated wastewater daily.
Toledo STP is a secondary wastewater treatment plant serving 540 people in Toledo, Washington. It discharges treated effluent into the local watershed, operating under US EPA and Washington state regulations.
Tonasket S_T Facility is a secondary treatment plant serving 1,025 people in Tonasket, Washington. It discharges 757.08 m³/day of treated wastewater, with a designed capacity of 946.35 m³/day.
TOUTLE STP is a secondary treatment plant in Cowlitz County, Washington, serving approximately 1,100 people. It discharges 946.35 cubic meters of treated wastewater daily into the local watershed.
Tulalip Bay STP is a secondary treatment plant serving 1,561 people in Tulalip Bay, Washington. It discharges treated wastewater into the Puget Sound coastal environment.
TWISP S_T FACILITY is a secondary treatment plant in Okanogan County, Washington, serving 925 people. It discharges treated wastewater into the local watershed, contributing to the region's water quality management.
Vader S_T Facility is a secondary treatment plant serving 625 people in Vader, Washington. It discharges 454.25 megaliters annually and operates under the US Clean Water Act framework.
Vantage Treatment is a secondary wastewater plant in Vantage, Washington, serving 292 people. It discharges 56.78 megaliters annually with a design capacity of 340.69 megaliters.
WARDEN DOMESTIC STP is a secondary treatment plant serving 2,690 people in Grant County, Washington. It discharges 681.37 megaliters annually and operates under U.S. EPA NPDES regulations.
Washtucna S_T Facility is a secondary wastewater treatment plant serving 205 people in Washtucna, Washington. It discharges 189.27 cubic meters per day, operating under U.S. EPA and Washington state regulations.
Waterville S_T Facility is a secondary treatment plant in Kittitas County, Washington, serving 1,140 people. It discharges 594.31 units of treated wastewater and has a designed capacity of 446.68 units.
Wilbur Wastewater Treatment Plant serves the town of Wilbur, Washington, providing secondary treatment. It discharges approximately 643.52 megaliters annually and has a designed capacity of 965.28 megaliters.
Wilkeson STP is a secondary treatment plant serving 475 residents in Wilkeson, Washington. It discharges treated wastewater into the local watershed, ultimately draining to the Puget Sound.
Winlock S_T Facility is a secondary treatment plant serving 1,340 people in Winlock, Washington. It discharges 450.46 thousand gallons per day into local waterways.
Wishram Sewer System in Wishram Heights, Washington, serves 184 people with secondary treatment. The plant discharges 113.56 megaliters annually and has a designed capacity of 378.54 megaliters.
Woodbrook Sewage Treatment Plant in Cowlitz County, Washington, serves 364 people with secondary treatment. The plant discharges 249.84 thousand gallons per day and has a designed capacity of 333.12 thousand gallons per day.
Aberdeen STP serves approximately 23,515 residents in Aberdeen, Washington. The plant operates under the U.S. Clean Water Act framework, discharging treated wastewater into the Grays Harbor estuary.