Wastewater plants in Washington

SUNNYSIDE POTW

Sunnyside, Washington

Sunnyside POTW is a municipal wastewater treatment plant serving approximately 16,010 people in Sunnyside, Washington. It operates under the U.S. Clean Water Act framework.

Not Reported 16,010 Low

SELAH S_T FACILITY

Selah, Washington

Selah S_T Facility is a wastewater treatment plant in Selah, Washington, serving a population of approximately 5,100. It operates under the US Clean Water Act and EPA NPDES permitting framework.

Not Reported 5,113 Low

RAYMOND STP

Pacific County, Washington

Raymond STP is a municipal wastewater treatment plant in Pacific County, Washington, serving a population of 3,664. The facility has a designed capacity of 1.00 million gallons per day.

Not Reported 3,664 Low

PROSSER WWTP

Benton County, Washington

Prosser WWTP serves approximately 5,780 people in Benton County, Washington. The plant discharges treated wastewater into the regional watershed, supporting local water quality and downstream ecosystems.

Not Reported 5,780 Low

PE ELL S_T FACILITY

Centralia, Washington

PE ELL S_T FACILITY is a wastewater treatment plant in Centralia, Washington, serving approximately 635 people. It operates under the US Clean Water Act framework.

Not Reported 635 Low

OKANOGAN S_T FAC

Okanogan, Washington

Okanogan S_T FAC is a wastewater treatment plant serving approximately 2,585 people in Okanogan, Washington, USA. The facility discharges into the local watershed within the Columbia River basin.

Not Reported 2,585 Low

OCEAN SHORES STP

Ocean Shores, Washington

Ocean Shores STP serves about 10,600 residents in Washington State. The plant discharges treated wastewater near the Pacific coast, operating under U.S. EPA and state regulations.

Not Reported 10,615 Medium

LUMMI TRIBE STP

Whatcom County, Washington

LUMMI TRIBE STP serves approximately 3,022 people in Whatcom County, Washington. The plant is located within 50 km of the coast and discharges into the local watershed.

Not Reported 3,022 Low

Long Beach WWTP

Long Beach, Washington

Long Beach WWTP serves approximately 3,475 residents in Long Beach, Washington. The plant has a designed capacity of 1.00 million gallons per day and is located near the Pacific coast.

Not Reported 3,475 Low

Leavenworth City of POTW

Leavenworth, Washington

Leavenworth City of POTW serves approximately 1,970 residents in Leavenworth, Washington. The plant treats municipal wastewater before discharging into the local watershed.

Not Reported 1,970 Low

Kalama Wastewater Treatment Plant

Kalama, Washington

Kalama Wastewater Treatment Plant serves the city of Kalama, Washington, USA. It treats wastewater from approximately 2,515 residents and discharges into the local watershed.

Not Reported 2,515 Low

EPHRATA S_T FACILITY

Ephrata, Washington

Ephrata S_T Facility is a municipal wastewater treatment plant serving approximately 6,890 people in Ephrata, Washington, United States. It operates under the US Clean Water Act framework.

Not Reported 6,890 Low

COLVILLE SEW LAGOON

Colville, Washington

COLVILLE SEW LAGOON is a municipal wastewater treatment plant serving Colville, Washington. It treats wastewater for approximately 5,116 residents and discharges into the local watershed.

Not Reported 5,116 Low

CLE ELUM S_T FACILITY

Cle Elum, Washington

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.

Not Reported 4,168 Low

CHENEY S_T FACILITY

Cheney, Washington

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.

Not Reported 10,790 Low

Chelan City of POTW

Chelan Falls, Washington

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.

Not Reported 3,627 Low

CASHMERE STP FACILITY

Cashmere, Washington

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.

Not Reported 3,075 Low

BINGEN POTW

Bingen, Washington

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.

Not Reported 2,955 Low

BENTON CITY S_T FAC

Benton City, Washington

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.

Not Reported 3,145 Low

ARLINGTON TREATMENT

Arlington, Washington

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.

Not Reported 17,930 Low