248 plants indexed. Showing 187 matching current filters.
ST JOHN S_T FACILITY is a secondary wastewater treatment plant in Saint John, Washington, serving 523 people. It discharges treated water into the local watershed.
Stevens Pass Sewer District is a secondary treatment plant in Chelan County, Washington, serving 384 people. It discharges treated wastewater into the local watershed, contributing to the region's water quality management.
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.
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.
Airway Heights WWTP serves 6,220 people in Washington, USA. The plant discharges treated wastewater into local waterways under EPA NPDES regulations.
Arlington Treatment serves approximately 17,930 residents in Arlington, Washington. The plant operates under U.S. EPA and Washington state regulations, discharging treated wastewater into the Stillaguamish River watershed.
Benton City S_T FAC is a municipal wastewater treatment plant in Benton City, Washington, serving approximately 3,145 people. It operates under the US Clean Water Act framework with state-level NPDES permitting.