14,814 plants indexed. Showing 5,627 matching current filters.
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.
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.
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.
Zillah Treatment serves approximately 3,000 residents in Zillah, Washington. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.
Woodland Wastewater Treatment Plant serves approximately 5,550 residents in Woodland, Washington. The facility discharges treated effluent into the local watershed, contributing to the Columbia River basin.
West Richland Sew Trt Fac serves approximately 12,200 people in West Richland, Washington. The plant operates under the U.S. Clean Water Act via NPDES permits, discharging treated wastewater to local waterways.
WENATCHEE POTW serves approximately 32,090 people in Wenatchee, Washington. The plant discharges treated wastewater into the Columbia River basin, supporting local water quality and downstream ecosystems.
Washougal S_T Facility is a municipal wastewater treatment plant serving approximately 14,210 people in Washougal, Washington, USA. It operates under the US Clean Water Act and EPA NPDES permit framework.
WAPATO STP serves Wapato, Washington, treating wastewater for approximately 6,375 residents. The plant operates under the US Clean Water Act, discharging into the Yakima River basin.
Walla Walla STP serves approximately 31,670 residents in Walla Walla, Washington. The plant discharges treated wastewater into the local watershed, ultimately draining to the Columbia River basin.
Marine Park WWTF in Vancouver, Washington serves nearly 50,000 people. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.
Westside Treatment Facility serves Vancouver, Washington, treating wastewater for approximately 96,426 residents. The plant operates under the U. S. Clean Water Act's NPDES permit program.
Toppenish Treatment serves approximately 6,888 people in Yakima County, Washington. The plant operates under the US Clean Water Act, managing wastewater for the local community.
Sumner STP is a municipal wastewater treatment plant serving approximately 26,950 people in Sumner, Washington. The facility operates under U.S. EPA and Washington State regulations.
SUMAS COLLECTION is a projected wastewater treatment plant in Sumas, Washington, serving 2,150 people. It will manage municipal wastewater under U.S. EPA and Washington state regulations.
Stevenson STP serves approximately 1,500 residents in Stevenson, Washington. The plant discharges treated wastewater into the Columbia River watershed, supporting downstream water quality in the Pacific Northwest.
Stanwood S_T Facility is a municipal wastewater treatment plant serving approximately 5,445 people in Stanwood, Washington. It operates under the U.S. Clean Water Act framework with a designed capacity of 1.00 million gallons per day.
Snoqualmie WWTP serves approximately 10,950 residents in Snoqualmie, Washington. The plant discharges treated wastewater into the local watershed, ultimately draining to Puget Sound.
The Sultan Sewer System serves the town of Sultan, Washington, treating wastewater from approximately 4,655 residents. The plant discharges into the Skykomish River, a tributary of the Snohomish River, which flows into Puget Sound.
Snohomish Wastewater System serves 9,200 people in Snohomish, Washington. The plant operates under U.S. Clean Water Act regulations with a designed capacity of 1.00 million gallons per day.
UtilityRadar indexes 14814 wastewater treatment plants in United States, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ARLINGTON TREATMENT has the highest designed capacity at 1 m3/day.