248 plants indexed. Showing 184 matching current filters.
Naselle Youth Camp STF is a secondary treatment plant in Grays Harbor County, Washington, serving 300 people. It discharges 132.49 volume units and operates under US Clean Water Act regulations.
North Bonneville S_T FAC is a secondary wastewater treatment plant in Washington, USA, serving 965 people with a discharge volume of 473.18 units. It operates under the US Clean Water Act framework.
Oakesdale S_T Facility is a secondary wastewater treatment plant in Whitman County, Washington, serving approximately 450 people. It discharges 946.35 cubic meters of treated effluent daily.
Pateros S_T Facility is a secondary wastewater treatment plant serving 630 people in Pateros, Washington. It discharges treated effluent into the Columbia River basin.
Peshastin POTW is a secondary treatment plant serving 1,016 people in Peshastin, Washington. It discharges treated wastewater into the local watershed, supporting downstream water quality in the Wenatchee River basin.
Pomeroy WWTP is a secondary treatment plant serving 1,425 people in Pomeroy, Washington. It discharges treated wastewater into the local watershed, operating under U.S. EPA NPDES regulations.
Reardan S_T Facility is a secondary wastewater treatment plant serving 608 residents in Reardan, Washington. It discharges 151.42 volume units daily and operates under US EPA NPDES regulations.
REPUBLIC S_T FACILITY is a secondary wastewater treatment plant in Ferry County, Washington, serving 1,220 people. It discharges 264.98 thousand cubic meters annually and operates under US EPA NPDES regulations.
Rockford S_T Facility is a secondary wastewater treatment plant serving 447 people in Freeman, Washington. It discharges 492.10 volume units and operates under U.S. EPA NPDES permitting.
ROOSEVELT LAGOON is a secondary treatment plant serving 50 people in Klickitat County, Washington. It discharges 18.93 megaliters of treated wastewater annually.
Rosalia S_T Facility is a secondary wastewater treatment plant serving 640 residents in Rosalia, Washington, USA. It operates under the US Clean Water Act with an NPDES permit framework.
Royal City S_T FAC is a secondary wastewater treatment plant in Royal City, Washington, serving a population of 1,815. It discharges 946.35 megaliters per year and operates under the US Clean Water Act.
RYDERWOOD STP is a secondary wastewater treatment plant in Ryderwood, Washington, serving a small population of 380. It discharges 378.54 cubic meters of treated wastewater daily.
Skagit Co SD2 Big Lake WWTP is a secondary treatment plant serving 1,835 people in Big Lake, Washington. It discharges treated wastewater into the local watershed, ultimately draining to Puget Sound.
Snoqualmie Pass UD Treatment is a secondary treatment plant in Hyak, Washington, serving about 1,985 people. It discharges 711.66 million gallons per year into the local watershed.
Soap Lake STP is a secondary treatment plant serving approximately 1,735 residents in Soap Lake, Washington. It discharges treated wastewater into the local watershed, supporting water quality in the region.
South Bend STP CS is a secondary treatment plant serving 1,635 people in Pacific County, Washington. It discharges 632.16 million gallons per year, operating under the US Clean Water Act framework.
South Prairie Area wastewater treatment plant serves 482 people in South Prairie, Washington, with secondary treatment. It discharges treated wastewater into the local watershed, contributing to the Puyallup River basin.
SPANGLE S_T FACILITY is a secondary wastewater treatment plant serving 297 people in Spangle, Washington. It discharges 75.71 million gallons per year and has a designed capacity of 151.42 million gallons.
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.