18,358 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
CRESWELL STP is a secondary treatment plant serving Creswell, Oregon, USA. It treats wastewater for approximately 4,000 residents with a daily discharge volume of 908.50 units.
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.
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.
Aumsville STP is a secondary treatment plant in Marion County, Oregon, serving 3,730 people. It discharges 870.65 thousand cubic meters annually, operating under US 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.
Klamath County School District wastewater treatment plant serves Henley, Oregon, with secondary treatment. It discharges 121.13 million gallons per year into the local watershed.
SHARON WWT is a secondary treatment plant in Sharon, Oklahoma, serving a small population of 122. It discharges 37.85 cubic meters of treated wastewater daily.
Mooreland WWT is a secondary treatment plant in Woodward County, Oklahoma, serving a population of 1,226. It discharges 378.54 m³/day of treated wastewater into local waterways.
Fort Supply WWT is a secondary treatment plant serving 328 people in Woodward County, Oklahoma. It discharges 113.56 megaliters of treated wastewater annually.
WAYNOKA WWT is a secondary treatment plant serving Waynoka, Oklahoma, with a population of 993. It discharges 378.54 m³/day and has a designed capacity of 454.25 m³/day.
Freedom WWT is a secondary treatment plant serving 271 people in Woods County, Oklahoma, United States. It discharges 113.56 units of treated wastewater daily.
DACOMA WWT is a secondary treatment plant serving 148 people in Alfalfa County, Oklahoma. It discharges 75.71 units of treated wastewater daily, operating under U.S. Clean Water Act regulations.
Sentinel WWT is a secondary treatment plant in Washita County, Oklahoma, serving 901 people. It discharges 302.83 volume units and operates under US EPA Clean Water Act regulations.
ROCKY WWT is a secondary treatment plant serving 174 people in Washita County, Oklahoma, United States. It discharges 75.71 volume units of treated wastewater.
DILL CITY WWT is a secondary treatment plant serving 526 people in Washita County, Oklahoma. It discharges 189.27 megaliters of treated wastewater annually.
CORN WWT is a secondary treatment plant serving the town of Corn, Oklahoma, United States. It discharges treated wastewater into the local watershed, supporting regional water quality.
Canute WWT is a secondary treatment plant serving 524 people in Washita County, Oklahoma. It discharges 151.42 units of treated wastewater, operating under U.S. Clean Water Act regulations.
Bessie WWT is a secondary treatment plant serving 190 people in Washita County, Oklahoma. It discharges 75.71 million gallons per year into local waterways.
VERA WWT is a secondary treatment plant serving 190 people in Vera, Oklahoma. It discharges 75.71 units of treated wastewater into local waterways.
RAMONA WWT in Ramona, Oklahoma, provides secondary treatment for a small community. The plant discharges treated wastewater into local waterways, supporting environmental health in the region.