595 plants indexed. Showing 167 matching current filters.
Superior WWTP serves the City of Superior, Wisconsin, treating wastewater for approximately 28,273 residents. The plant is located within 50 km of Lake Superior, a major Great Lake.
Sun Prairie STP serves approximately 29,849 residents in Sun Prairie, Wisconsin. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater facilities of this scale.
Sturgeon Bay STP serves approximately 10,005 residents in Sturgeon Bay, Wisconsin. The plant operates under the U.S. Clean Water Act with NPDES permitting, discharging treated wastewater into the waters of Door County.
Stoughton STP is a municipal wastewater treatment plant serving Stoughton, Wisconsin. It operates under the US Clean Water Act's NPDES permit program, treating wastewater for approximately 12,800 residents.
Stevens Point STP serves approximately 27,202 residents in Stevens Point, Wisconsin. The plant operates under the US Clean Water Act, discharging treated wastewater into the Wisconsin River basin.
Stanley WWTP serves the Town of Delmar, Wisconsin, treating wastewater for a population of 3,620. The plant discharges into local waterways within the Chippewa River basin.
SPARTA WWTP serves Sparta, Wisconsin, treating wastewater for approximately 9,000 residents. The plant operates under U.S. EPA and Wisconsin DNR regulations for inland municipal treatment.
South Milwaukee STP serves approximately 22,000 residents in South Milwaukee, Wisconsin. The plant discharges treated wastewater into the Lake Michigan basin, supporting local water quality and ecosystem health.
SLINGER STP serves approximately 4,915 residents in Slinger, Wisconsin. The plant operates under U.S. Clean Water Act regulations, treating municipal wastewater for this inland community.
Sister Bay WWTP serves 4,543 residents in Sister Bay, Wisconsin. The plant discharges into the waters of Door County, part of the Lake Michigan basin.
Silver Lake WWTP serves 2,511 people in Salem Lakes, Wisconsin. The plant has a designed capacity of 1.00 million gallons per day and operates under US Clean Water Act regulations.
Sheboygan Regional WWTP serves approximately 71,886 people in Sheboygan, Wisconsin. The plant discharges treated wastewater into Lake Michigan, a vital freshwater resource.
Seymour WWTP serves approximately 4,014 residents in Seymour, Wisconsin. The plant operates under U.S. Clean Water Act regulations, ensuring treated effluent meets environmental standards before discharge.
Saukville STP serves approximately 4,459 residents in Saukville, Wisconsin, as part of the municipal wastewater infrastructure. The plant is located within 50 km of Lake Michigan.
ST CROIX FALLS STP serves Saint Croix Falls, Wisconsin, treating wastewater for approximately 2,122 residents. The plant discharges into the St. Croix River, a tributary of the Mississippi River.
River Falls WWTP serves approximately 17,099 residents in River Falls, Wisconsin. The plant discharges treated wastewater into local waterways, supporting the St. Croix River basin ecosystem.
RIPON WWTP serves approximately 8,600 residents in Ripon, Wisconsin. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
Richland Center WWTP serves approximately 8,136 residents in Richland Center, Wisconsin. The plant operates under the U.S. Clean Water Act, ensuring treated wastewater meets environmental standards before discharge.
Rice Lake STP serves approximately 9,800 residents in Rice Lake, Wisconsin. The plant treats municipal wastewater and discharges into the local watershed within the Red Cedar River basin.
Rhinelander STP serves approximately 7,908 residents in Rhinelander, Wisconsin. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
UtilityRadar indexes 595 wastewater treatment plants in Wisconsin, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, SUPERIOR WWTP has the highest designed capacity at 1 m3/day.