183 plants indexed. Showing 148 matching current filters.
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.
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.
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.
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.
RICHLAND STP is a secondary treatment plant in Baker County, Oregon, serving a small population of 250. It discharges treated wastewater into the local watershed, supporting downstream water quality.
RUFUS STP is a secondary wastewater treatment plant in Rufus, Oregon, serving 270 people. It discharges 155.20 million gallons per year and operates under the US Clean Water Act.
SCIO STP is a secondary wastewater treatment plant serving Scio, Oregon. It treats municipal wastewater for a population of 710 with a designed capacity of 3,686.98 cubic meters per day.
Seneca STP is a secondary wastewater treatment plant serving the small community of Seneca, Oregon. It has a designed capacity of 685.16 volume units and discharges treated effluent into the local watershed.
Shady Cove STP is an advanced wastewater treatment plant serving 2,760 people in Shady Cove, Oregon. It discharges 764.65 million gallons annually into the Rogue River basin.
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.
Sisters WW Treatment Improvements is a secondary treatment plant in Deschutes County, Oregon, serving 2,124 people. It discharges 196.84 units of treated wastewater and operates under the US Clean Water Act.
ST PAUL STP is a secondary wastewater treatment plant in Marion County, Oregon, serving a small population of 354. It discharges treated effluent into the local watershed, contributing to the Willamette River basin.
SUMPTER STP is a secondary treatment plant in Baker County, Oregon, serving a small population of 175. It discharges 37.85 units of treated wastewater daily with a designed capacity of 151.42 units.