248 plants indexed. Showing 135 matching current filters.
Blaine STP serves approximately 4,705 residents in Blaine, Washington. Located near Semiahmoo Spit, the plant discharges into the Salish Sea via local waterways.
Bremerton West Plant STP serves approximately 48,000 people in Bremerton, Washington. The facility is located within 50 km of the coast and discharges treated wastewater into the Puget Sound watershed.
Brightwater Treatment Plant in Maltby, Washington serves approximately 597,000 people. It is a major facility in the Puget Sound region, operating under U. S. EPA and Washington State regulations.
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.
CENT KITSAP REG STP is a municipal wastewater treatment plant serving approximately 44,476 people in Brownsville, Washington. It operates under the US Clean Water Act framework with NPDES permitting.
CENTRALIA STP serves 17,140 people in Lewis County, Washington. The plant operates under the US Clean Water Act and NPDES permit program.
Chambers Creek wastewater treatment plant serves University Place, Washington, a large agglomeration of over 134,000 people. The facility is located within 50 km of the coast and discharges into the Puget Sound watershed.
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.
Chelan City of POTW serves 3,627 people in Chelan Falls, Washington. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge.
Cheney S_T Facility is a municipal wastewater treatment plant serving Cheney, Washington, USA. It serves a population of approximately 10,790 and operates under the US Clean Water Act framework.
Chewelah S_T Facility is a municipal wastewater treatment plant serving approximately 2,610 residents in Chewelah, Washington, United States. It operates under the US Clean Water Act framework.
The City of Westport WW Treatment_Sewer plant serves approximately 2,022 residents in Westport, Washington, USA. It is located near the coast of Grays Harbor County, discharging into the Pacific Ocean watershed.
Clarkston STP serves approximately 7,200 residents in Clarkston, Washington. The plant discharges into the Snake River system, a major tributary of the Columbia River.
Cle Elum S_T Facility is a municipal wastewater treatment plant serving Cle Elum, Washington, USA. It treats wastewater from a population of approximately 4,168 under the US Clean Water Act.
COLFAX STP is a municipal wastewater treatment plant serving approximately 2,845 residents in Colfax, Washington, United States. It operates under the U.S. Clean Water Act and EPA NPDES permitting framework.