183 plants indexed.
RICHLAND STP is a secondary treatment plant in Baker County, Oregon, serving a small population of 250. It discharges treated wastewater into the local watershed, supporting downstream water quality.
Rockaway Beach STP is a secondary treatment plant serving 1,500 people in Rockaway Beach, Oregon. It discharges treated wastewater near the Pacific coast, operating under US EPA NPDES regulations.
RUFUS STP is a secondary wastewater treatment plant in Rufus, Oregon, serving 270 people. It discharges 155.20 million gallons per year and operates under the US Clean Water Act.
Salishan STP is a secondary wastewater treatment plant in Lincoln County, Oregon, serving approximately 1,100 people. It discharges treated effluent near the Siletz Bay area on the Pacific coast.
SCIO STP is a secondary wastewater treatment plant serving Scio, Oregon. It treats municipal wastewater for a population of 710 with a designed capacity of 3,686.98 cubic meters per day.
Seneca STP is a secondary wastewater treatment plant serving the small community of Seneca, Oregon. It has a designed capacity of 685.16 volume units and discharges treated effluent into the local watershed.
Shady Cove STP is an advanced wastewater treatment plant serving 2,760 people in Shady Cove, Oregon. It discharges 764.65 million gallons annually into the Rogue River basin.
Shoreline Sanitary District STP is an advanced treatment plant in Clatsop County, Oregon, serving 350 people. It discharges 87.06 million gallons per year near the Oregon coast.
SILETZ STP is a secondary wastewater treatment plant in Siletz, Oregon, serving a population of 1,197. It discharges treated effluent into local waterways, supporting environmental protection in the region.
Sisters WW Treatment Improvements is a secondary treatment plant in Deschutes County, Oregon, serving 2,124 people. It discharges 196.84 units of treated wastewater and operates under the US Clean Water Act.
ST PAUL STP is a secondary wastewater treatment plant in Marion County, Oregon, serving a small population of 354. It discharges treated effluent into the local watershed, contributing to the Willamette River basin.
SUMPTER STP is a secondary treatment plant in Baker County, Oregon, serving a small population of 175. It discharges 37.85 units of treated wastewater daily with a designed capacity of 151.42 units.
Tangent STP is a secondary treatment plant in Linn County, Oregon, serving approximately 930 people. It discharges 189.27 megaliters of treated wastewater annually.
UKIAH STP is a secondary treatment plant serving 245 people in Ukiah, Oregon. It discharges 151.42 megaliters annually and operates under US Clean Water Act regulations.
UNION STP is a secondary wastewater treatment plant serving Union, Oregon, with a population equivalent of 1,926. It discharges 946.35 thousand gallons per day and operates under the US Clean Water Act framework.
Unity STP is a secondary wastewater treatment plant serving 173 people in Unity, Oregon. It discharges treated effluent into local waterways under US EPA NPDES regulations.
WAMIC WATER AND SEWER AUTHORITY is a secondary treatment plant serving 100 people in Wamic, Oregon. It discharges 45.43 cubic meters of treated wastewater daily, operating under U.S. EPA and Oregon DEQ regulations.
Westfir STP is a secondary treatment plant serving 160 people in Westfir, Oregon. It discharges 113.56 megaliters of treated wastewater annually, operating under U.S. EPA NPDES regulations.
Westport STP is a secondary treatment plant serving 355 people in Westport, Oregon. It discharges 102.21 million gallons per year and has a designed capacity of 340.69 million gallons per year.
Willamina STP is a secondary treatment plant serving 1,840 people in Willamina, Oregon. It discharges treated wastewater into the local watershed, operating under U.S. EPA NPDES regulations.