183 plants indexed. Showing 148 matching current filters.
Pilot Rock STP is a secondary treatment plant serving 1,540 people in Umatilla County, Oregon. It discharges 643.52 thousand cubic meters annually within the Columbia River Basin.
Alpine County Service District is a secondary wastewater treatment plant in Alpine, Oregon, serving a small population of 191. It discharges 75.71 million gallons per year into local waterways.
PARKDALE STP is a secondary wastewater treatment plant serving 416 people in Parkdale, Oregon. It discharges 234.70 megaliters annually and has a designed capacity of 378.54 megaliters.
PAISLEY STP is a secondary treatment plant serving 250 people in Paisley, Oregon. It discharges 75.71 m³/day of treated wastewater, with a designed capacity of 189.27 m³/day.
ODELL STP is an advanced wastewater treatment plant in Hood River County, Oregon, serving 1,653 people. It discharges treated water into the local watershed, supporting downstream water quality.
Oakland STP is an advanced wastewater treatment plant serving approximately 940 people in Oakland, Oregon. It discharges treated water into local waterways, supporting environmental health in the Umpqua River basin.
North Powder STP is a secondary treatment plant serving 490 people in North Powder, Oregon. It discharges 151.42 megaliters annually and operates under U.S. EPA NPDES regulations.
Mount Vernon STP is a secondary wastewater treatment plant in Mount Vernon, Oregon, serving a population of 695. It discharges treated effluent into the local watershed, supporting downstream water quality.
MOSIER STP is a secondary treatment plant in Wasco County, Oregon, serving 430 people. It discharges 113.56 units of treated wastewater and has a designed capacity of 321.76 units.
MONROE STP is a secondary treatment plant serving 610 people in Monroe, Oregon. It discharges 446.68 volume units daily with a designed capacity of 681.37, operating under U.S. Clean Water Act regulations.
MITCHELL STP is a secondary wastewater treatment plant in Mitchell, Oregon, serving a population of 270. It discharges 102.21 volume units and has a designed capacity of 102.21.
Mill City Sewage System is a secondary treatment plant serving 1,585 people in Mill City, Oregon. It discharges an average of 223.34 thousand cubic meters per year into the local watershed.
Metolius STP is a secondary treatment plant serving 780 people in Metolius, Oregon. It discharges 363.40 units of treated wastewater, operating under U.S. EPA NPDES regulations.
MAUPIN STP is a secondary treatment plant serving Maupin, Oregon. It discharges treated wastewater into the local watershed, supporting the Deschutes River basin.
Lowell STP is a secondary treatment plant serving 1,010 people in Lowell, Oregon. It discharges treated wastewater into the local watershed, supporting downstream water quality in the Willamette River basin.
Lostine On Sites is a secondary wastewater treatment plant serving 304 people in Lostine, Oregon. It discharges 113.56 megaliters annually, operating under US EPA and Oregon DEQ regulations.
Long Creek STP is a secondary treatment plant serving 177 people in Long Creek, Oregon. It discharges 64.35 thousand cubic meters of treated wastewater annually.
La Pine Special Sewer District is a secondary treatment plant serving 1,600 people in La Pine, Oregon. It discharges 264.98 megaliters annually within the Deschutes River basin.
Jordan Valley STP is a secondary treatment plant serving 250 people in Jordan Valley, Oregon. It discharges 75.71 megaliters of treated wastewater annually, with a designed capacity of 177.91 megaliters.
HUNTINGTON STP is a secondary treatment plant in Lime, Oregon, serving 520 people. It discharges 189.27 megaliters annually and has a designed capacity of 359.61 megaliters.
UtilityRadar indexes 183 wastewater treatment plants in Oregon, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LOWELL STP has the highest designed capacity at 2,608 m3/day.