18,358 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
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.
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.
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.
Dexter Sanitary Service District is a secondary treatment plant serving 505 people in Dexter, Oregon. It discharges 151.42 megaliters of treated wastewater annually, operating under U.S. EPA NPDES regulations.
DAYVILLE STP is a secondary treatment plant serving 160 people in Dayville, Oregon. It discharges 53.00 million gallons per day and has a designed capacity of 140.06 million gallons per day.
DAYTON STP is a secondary wastewater treatment plant serving Dayton, Oregon. It treats an average of 738.16 thousand cubic meters per year, with a designed capacity of 870.64 thousand cubic meters per year.
Culver STP is a secondary wastewater treatment plant serving 850 people in Culver, Oregon. It discharges 151.42 megaliters per year and has a designed capacity of 340.69 megaliters.
COVE STP is a secondary wastewater treatment plant in Union County, Oregon, serving a population of 625. It discharges 151.42 megaliters per year and has a designed capacity of 227.12 megaliters per year.
CONDON STP is a secondary treatment plant serving 770 people in Condon, Oregon. It discharges 264.98 thousand cubic meters of treated wastewater annually.
Clatskanie STP is a secondary treatment plant serving 1,750 people in Clatskanie, Oregon. It discharges 757.08 m³/day of treated wastewater, operating under U.S. EPA NPDES regulations.
CAVE JUNCTION STP is a secondary treatment plant serving 2,731 people in Cave Junction, Oregon. It discharges 757.08 m³/day of treated wastewater into the local watershed.
CARLTON STP is a secondary wastewater treatment plant in Yamhill County, Oregon, serving 1,514 people. It discharges 643.52 units of treated effluent daily, with a designed capacity of 1,389.24 units.
CANYONVILLE STP is a secondary wastewater treatment plant in Canyonville, Oregon, serving 1,730 people. It discharges 673.80 units of treated effluent daily, with a designed capacity of 1,892.70 units.
BUTTE FALLS STP is a secondary treatment plant serving 439 people in Jackson County, Oregon. It discharges 151.42 megaliters annually and has a designed capacity of 227.12 megaliters.
Brownsville STP is a secondary treatment plant serving 1,500 people in Brownsville, Oregon. It discharges treated wastewater into the local watershed, supporting downstream water quality in the Willamette River basin.
Brownsville South Lagoon is a secondary wastewater treatment plant serving 1,500 people in Brownsville, Oregon. It discharges 416.40 million gallons per year and has a designed capacity of 567.81 million gallons.
The Brooks Sewage Treatment Plant in Oregon, United States, provides secondary treatment for a small community of 398 people, with a designed capacity of 832.79 and current discharge volume of 681.37.
Bonanza STP is a secondary treatment plant serving 897 people in Bonanza, Oregon. It discharges 37.85 million gallons per year and operates under U.S. EPA and Oregon DEQ regulations.
BOARDMAN STP is a secondary wastewater treatment plant in Boardman, Oregon, serving 3,220 people. It discharges 870.65 units of treated effluent daily, with a designed capacity of 1,514.16 units.