18,358 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
WEYERHAEUSER STP is a secondary treatment plant serving 493 people in Town of Stubbs, Wisconsin. It discharges 132.49 megaliters annually with a designed capacity of 151.42 megaliters.
WESTFIELD WWTP is a secondary treatment plant in Westfield, Wisconsin, serving approximately 1,217 people. It discharges 681.37 megaliters of treated wastewater annually, with a designed capacity of 946.35 megaliters.
Webster STP is a secondary treatment plant serving 684 people in Webster, Wisconsin. It discharges 227.13 thousand cubic meters of treated wastewater annually, with a designed capacity of 321.76 thousand cubic meters.
WAUZEKA WWTP is a secondary treatment plant serving 811 people in Wauzeka, Wisconsin. It discharges 189.27 megaliters per year and has a designed capacity of 302.83 megaliters per year.
WAUSAUKEE WWTP is a secondary treatment plant serving 573 people in the Town of Wausaukee, Wisconsin. It discharges 189.27 million gallons per year into local waterways within the Lake Michigan basin.
WAUMANDEE SD 1 STP is a secondary treatment plant serving about 100 people in Town of Alma, Wisconsin. It discharges 34.07 megaliters per year into local waterways.
VIOLA STP is a secondary wastewater treatment plant serving 765 people in Viola, Wisconsin. It discharges treated effluent into local waterways, operating under US EPA and Wisconsin DNR regulations.
Valders STP is a secondary wastewater treatment plant serving the village of Valders, Wisconsin. It treats approximately 997 residents and discharges 529.96 million gallons per year.
UNITY STP is a secondary treatment plant serving the Town of Unity, Wisconsin. It discharges 147.63 million gallons per year into local waterways, with a designed capacity of 336.90 million gallons.
Union Center WWTP is a secondary treatment plant in Wisconsin, USA, serving 234 people. It discharges 140.06 million gallons per year and has a designed capacity of 151.42 million gallons per year.
TREMPEALEAU WWTP is a secondary treatment plant serving 1,452 people in Trempealeau, Wisconsin. It discharges 492.10 million gallons per year and has a designed capacity of 889.57 million gallons per year.
Tigerton WWTP is a secondary treatment plant serving 739 residents in Tigerton, Wisconsin. It discharges 227.13 megaliters annually and operates under U.S. Clean Water Act regulations.
THORP STP is a secondary wastewater treatment plant serving Thorp, Wisconsin. It treats an average daily flow of 613.24 thousand gallons with a designed capacity of 1252.97 thousand gallons.
TAYLOR WWTP serves the Town of Springfield, Wisconsin, providing secondary treatment for a population of 538. The plant discharges an average of 170.34 thousand gallons per day.
Florence Town of STP is a secondary treatment plant serving 1,500 residents in Town of Florence, Wisconsin. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
SURING WWTP is a secondary treatment plant serving 592 residents in Suring, Wisconsin. It discharges 227.13 megaliters of treated wastewater annually, operating under U.S. Clean Water Act regulations.
STRUM CS is a secondary wastewater treatment plant in Strum, Wisconsin, serving about 1,119 people. It discharges treated water into the local watershed, supporting downstream water quality in the Mississippi River basin.
Spring Valley STP is a secondary wastewater treatment plant serving 1,405 people in Spring Valley, Wisconsin. It discharges 215.77 thousand gallons per day and has a designed capacity of 435.32 thousand gallons per day.
Spring Green WWTP is a secondary treatment plant serving 3,263 people in the Town of Spring Green, Wisconsin. It discharges approximately 810 m³/day of treated wastewater into the local watershed.
Spooner WWTP is a secondary treatment plant serving 3,181 people in Spooner, Wisconsin. It discharges treated wastewater into local waterways, operating under US EPA and Wisconsin DNR regulations.