183 plants indexed. Showing 5 matching current filters.
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.
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.
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.
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.
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.
UtilityRadar indexes 183 wastewater treatment plants in Oregon, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, CLATSKANIE STP has the highest designed capacity at 1,893 m3/day.