248 plants indexed. Showing 187 matching current filters.
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.
Bingen POTW serves approximately 2,955 residents in Bingen, Washington. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.
Birch Bay STP serves 5,500 people in Cottonwood Beach, Washington. The plant operates under the US Clean Water Act NPDES permitting program for municipal wastewater treatment.
Buckley WWTF serves approximately 4,345 residents in Buckley, Washington. The plant operates under U.S. EPA and Washington state regulations for municipal wastewater treatment.
Burlington Treatment serves 9,074 people in Burlington, Washington. The plant operates under the US Clean Water Act NPDES permit program, discharging treated wastewater into the Skagit River basin.
Camas Wastewater Treatment Plant serves approximately 19,620 residents in Camas, Washington. The facility discharges treated effluent into the Columbia River, supporting downstream water quality in the Pacific Northwest.
Carnation Treatment is a municipal wastewater facility serving 1,780 people in Carnation, Washington. It operates under U.S. EPA and Washington State regulations, discharging treated effluent to the Snoqualmie River basin.
Cashmere STP Facility serves 3,075 people in Cashmere, Washington. The plant discharges treated wastewater into the Wenatchee River watershed, which flows to the Columbia River.
Castle Rock WWTP serves 2,130 people in Castle Rock, Washington. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge.
CENTRALIA STP serves 17,140 people in Lewis County, Washington. The plant operates under the US Clean Water Act and NPDES permit program.
CHEHALIS STP serves approximately 9,591 people in Chehalis, Washington. The plant operates under the U.S. Clean Water Act, with a designed capacity of 1.00 million gallons per day.