18,358 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
South Wayne STP is a secondary wastewater treatment plant serving 568 residents in South Wayne, Wisconsin. It discharges 113.56 million gallons per year into local waterways.
Shiocton WWTP is a secondary treatment facility serving approximately 1,047 residents in Shiocton, Wisconsin. The plant discharges treated wastewater into local waterways within the Fox River basin.
Shell Lake STP is a secondary treatment plant serving 1,340 people in Shell Lake, Wisconsin. It discharges 340.69 units of treated wastewater daily, with a designed capacity of 738.15 units.
SHARON STP is a secondary wastewater treatment plant serving the Town of Sharon, Wisconsin. It treats approximately 1,569 residents with a designed capacity of 972.85 units.
SCANDINAVIA STP is a secondary treatment plant serving 374 people in Scandinavia, Wisconsin. It discharges 75.71 thousand cubic meters annually into local waterways within the Lake Michigan basin.
Saxon Sanitary District WWTP serves 135 people in Town of Saxon, Wisconsin, with secondary treatment. It discharges 45.43 thousand gallons per day and is located within 10 km of Lake Superior.
Saint Cloud WWTP is a secondary treatment facility serving 500 people in Saint Cloud, Wisconsin. It discharges 102.21 million gallons per year and operates under US EPA NPDES regulations.
Rosholt STP is a secondary treatment plant serving 516 people in Rosholt, Wisconsin. It discharges treated wastewater into local waterways, supporting the region's water quality.
Rock Springs STP is a secondary treatment plant serving 417 people in Rock Springs, Wisconsin. It discharges 140.06 million gallons per year and operates under US EPA NPDES regulations.
ROCKDALE STP is a secondary treatment plant serving 214 residents in Rockdale, Wisconsin. It discharges treated wastewater into local waterways, operating under US EPA NPDES regulations.