183 plants indexed. Showing 59 matching current filters.
Winston Green STP serves Douglas County, Oregon, treating wastewater for a population of approximately 11,290. The plant operates under U.S. EPA and Oregon DEQ regulations.
Enterprise STP serves approximately 2,000 residents in Wallowa County, Oregon. The plant discharges treated wastewater into the local watershed, supporting downstream water quality in the Grande Ronde River basin.
BURNS STP serves approximately 4,306 people in Harney County, Oregon. The plant discharges treated wastewater into the local watershed, which drains into the Malheur Lake basin.
ATHENA STP serves the community of Athena, Oregon, treating municipal wastewater. The plant operates under U.S. EPA and Oregon DEQ regulations, discharging treated effluent to local waterways.
ST HELENS STP serves Saint Helens, Oregon, treating municipal wastewater for approximately 14,236 residents. The plant operates under the US Clean Water Act's NPDES permit program.
Newberg Wynooski Street STP serves approximately 18,280 residents in Newberg, Oregon. The plant operates under the US Clean Water Act framework for municipal wastewater treatment.
LEBANON STP serves Lebanon, Oregon, treating wastewater for approximately 11,030 residents. The plant discharges into the local watershed, contributing to the South Santiam River basin.
Baker City WWTP serves approximately 9,840 people in Baker County, Oregon. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater facilities.
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.
South Suburban STP serves Klamath Falls, Oregon, treating wastewater for approximately 19,600 residents. The plant discharges into the Klamath River basin, a critical waterway in the Pacific Northwest.
McMinnville WWTP serves approximately 28,200 residents in McMinnville, Oregon. The plant discharges treated wastewater into the Yamhill River watershed, part of the Willamette River basin.
LA GRANDE STP serves approximately 17,000 residents in Union County, Oregon. The plant discharges treated wastewater into the local watershed, contributing to the region's water quality management.
Albany Millersburg Water Reclamation Facility serves Albany, Oregon, treating municipal wastewater for approximately 48,000 residents. The plant discharges into the Willamette River basin, supporting downstream water quality.
Klamath Falls Spring Street wastewater treatment plant serves approximately 28,000 residents in Klamath Falls, Oregon. The facility operates under the U.S. Clean Water Act and EPA NPDES permitting framework.
Grants Pass STP serves approximately 51,766 residents in Grants Pass, Oregon. The plant operates under the U.S. Clean Water Act, discharging treated wastewater into the Rogue River basin.
ASHLAND STP serves approximately 20,980 people in Jackson County, Oregon. The plant discharges treated wastewater into local waterways, supporting the Rogue River basin ecosystem.
Roseburg Urban Sanitary Authority serves 23,500 residents in Roseburg, Oregon, treating municipal wastewater under U.S. Clean Water Act regulations. The plant discharges into the South Umpqua River, a tributary of the Umpqua River system.
BEND WRF serves Bend, Oregon, treating wastewater for approximately 62,000 residents. The plant operates under the U.S. Clean Water Act, with discharge likely to the Deschutes River.
Corvallis STP serves approximately 52,450 residents in Corvallis, Oregon, treating municipal wastewater before discharge. The plant operates under the U.S. Clean Water Act framework, with NPDES permits regulating effluent quality.
VENETA STP serves Veneta, Oregon, treating wastewater for approximately 4,561 residents. The plant operates under U.S. EPA and Oregon DEQ regulations, discharging treated effluent to local waterways.
UtilityRadar indexes 183 wastewater treatment plants in Oregon, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, TOLEDO STP has the highest designed capacity at 1 m3/day.