183 plants indexed.
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.
MAUPIN STP is a secondary treatment plant serving Maupin, Oregon. It discharges treated wastewater into the local watershed, supporting the Deschutes River basin.
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.
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.
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.
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.
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.
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.
Neskowin Regional Sanitary Authority serves 510 people in Neskowin, Oregon, with advanced wastewater treatment. The plant discharges 416.40 megaliters annually into the local coastal environment.
NETARTS OCEANSIDE SANITARY DISTRICT is a secondary treatment plant in Oceanside, Oregon, serving about 1,867 people. It discharges 492.10 megaliters of treated wastewater annually, with a designed capacity of 1,514.16 megaliters.
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.
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.
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.
Pacific City STP is an advanced wastewater treatment plant serving 2,131 people in Pacific City, Oregon. It discharges treated effluent near the Oregon coast, operating under the US Clean Water Act.
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.
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.
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.
Port Orford STP is a secondary treatment plant serving 1,135 people in Port Orford, Oregon. It discharges 147.63 million gallons annually and is located within 10 km of the Pacific coast.
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.
Prairie City STP is a secondary treatment plant serving 1,145 people in Prairie City, Oregon. It discharges treated wastewater into local waterways, supporting the John Day River basin.