183 plants indexed. Showing 5 matching current filters.
Clatskanie STP is a secondary treatment plant serving 1,750 people in Clatskanie, Oregon. It discharges 757.08 m³/day of treated wastewater, operating under U.S. EPA NPDES regulations.
Grand Ronde STP is a secondary treatment plant serving about 1,000 people in Grand Ronde, Oregon. It discharges treated wastewater into local waterways, supporting the Yamhill River basin.
POWERS STP is a secondary treatment plant serving 689 residents in Powers, Oregon. It discharges 223.34 million gallons per year and operates under US EPA NPDES regulations.
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.
Toledo STP serves the city of Toledo, Oregon, treating wastewater from a population of approximately 3,356. The plant operates under the U.S. Clean Water Act framework.