183 plants indexed. Showing 148 matching current filters.
DONALD STP is a secondary wastewater treatment plant serving Donald, Oregon. It treats approximately 640 residents with a designed capacity of 291.48 million gallons per day.
DRAIN STP is a secondary wastewater treatment plant serving 1,151 people in Drain, Oregon. It discharges 526.17 million gallons per year and has a designed capacity of 1,135.62 million gallons per year.
DUFUR STP is a secondary treatment plant in Wasco County, Oregon, serving a population of 600. It discharges 166.56 megaliters of treated wastewater annually, with a designed capacity of 227.12 megaliters.
ECHO STP is a secondary treatment plant in Umatilla County, Oregon, serving 690 people. It discharges 227.13 volume units daily and has a designed capacity of 454.25 volume units.
ELGIN STP is a secondary wastewater treatment plant serving Elgin, Oregon. It discharges treated effluent into the local watershed, supporting downstream water quality in the Grande Ronde River basin.
ELKTON STP is a secondary treatment plant serving 180 people in Elkton, Oregon. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 105.99 units.
Fossil STP is a secondary treatment plant serving the town of Fossil, Oregon. It discharges treated wastewater into the local watershed, supporting downstream water quality in the John Day River basin.
Gervais STP is a secondary wastewater treatment plant in Gervais, Oregon, serving approximately 2,080 people. It discharges treated effluent into local waterways, supporting the Willamette River basin.
Glendale STP is a secondary wastewater treatment plant serving approximately 1,100 residents in Glendale, Oregon. The facility discharges treated effluent into local waterways within the Umpqua River basin.
Glide Idleyld Park is a secondary wastewater treatment plant in Douglas County, Oregon, serving a population of 1,690. It discharges 416.40 units of treated effluent and has a designed capacity of 624.59 units.
Gold Hill STP is a secondary treatment plant in Jackson County, Oregon, serving a population of 1,472. It discharges 643.52 million gallons per year and has a designed capacity of 1,324.89 million gallons per year.
Government Camp STP is an advanced wastewater treatment plant in Government Camp, Oregon, serving 711 people. It discharges 416.40 volume units daily and has a designed capacity of 946.35 volume units.
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.
Halfway STP is a secondary treatment plant serving the small community of Halfway, Oregon. It discharges treated wastewater into the local watershed, supporting downstream water quality in the Pine Creek drainage.
Halsey STP is a secondary treatment plant serving 740 residents in Halsey, Oregon. It discharges 378.54 m³/day of treated wastewater, with a designed capacity of 745.72 m³/day.
HEPPNER STP is a secondary wastewater treatment plant serving Heppner, Oregon. It treats municipal wastewater with a designed capacity of 946.35 m³/day and an average discharge volume of 340.69 m³/day.
HINES STP is a secondary treatment plant serving 1,811 people in Harney County, Oregon. It discharges 567.81 megaliters of treated wastewater annually, operating under U.S. EPA NPDES regulations.
HOODLAND STP is a secondary treatment plant in Welches, Oregon, serving 4,000 people. It discharges 957.71 thousand cubic meters annually and operates under US EPA NPDES regulations.
Hubbard STP is an advanced wastewater treatment plant serving 2,285 residents in Hubbard, Oregon. It discharges 492.10 million gallons per year into local waterways.
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.