26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Oconomowoc WWTP serves approximately 22,109 residents in Oconomowoc, Wisconsin. The facility operates under the U.S. Clean Water Act framework, treating municipal wastewater before discharge.
NIAGARA WWTP serves approximately 1,805 people in Niagara, Wisconsin. The plant discharges treated wastewater into the Menominee River watershed, which flows into Green Bay and Lake Michigan.
New Richmond STP serves the Town of Richmond, Wisconsin, treating wastewater for approximately 12,121 residents. The plant operates under US EPA and Wisconsin DNR regulations.
New London WWTP serves approximately 7,161 residents in New London, Wisconsin. The plant has a designed capacity of 1.00 million gallons per day and discharges treated effluent into the Wolf River watershed.
New Holstein WWTP serves approximately 3,300 residents in New Holstein, Wisconsin. The plant operates under the U.S. Clean Water Act, with a designed capacity of 1.00 million gallons per day.
NEKOOSA WWTP serves the Town of Port Edwards, Wisconsin, treating wastewater for approximately 3,005 residents. The plant operates under the US Clean Water Act framework with NPDES permitting.
NEILLSVILLE STP serves approximately 2,652 residents in Neillsville, Wisconsin. The plant discharges treated wastewater into local waterways within the Black River watershed.
MUKWONAGO STP serves the Village of Vernon, Wisconsin, treating wastewater for approximately 6,570 residents. The plant operates under US EPA NPDES regulations with a designed capacity of 1.00 million gallons per day.
Mount Horeb STP serves the Town of Blue Mounds, Wisconsin, treating wastewater for approximately 7,083 residents. The plant operates under U.S. EPA and Wisconsin DNR regulations.
Mosinee WWTP serves approximately 4,189 residents in Mosinee, Wisconsin. The plant discharges treated wastewater into the Wisconsin River basin, supporting local water quality.
Monroe WWTP serves approximately 11,015 residents in Monroe, Wisconsin. The plant operates under U.S. Clean Water Act regulations, ensuring treated effluent meets state and federal standards before discharge.
Mineral Point STP serves approximately 2,636 residents in Mineral Point, Wisconsin. The facility operates under the U.S. Clean Water Act and NPDES permit program.
MILWAUKEE MSD COMBINED serves over 1.1 million people in Milwaukee, Wisconsin, discharging treated wastewater into Lake Michigan. The plant operates under the US Clean Water Act's NPDES permit program.
MILTON STP serves approximately 5,400 residents in Milton, Wisconsin, as part of the city's municipal wastewater infrastructure. The plant operates under U.S. Clean Water Act regulations.
MERRILL STP serves 9,614 people in Merrill, Wisconsin. The plant operates under the US Clean Water Act, discharging treated wastewater into the Wisconsin River basin.
MENOMONIE WWTP serves approximately 15,952 people in Menomonie, Wisconsin. The plant discharges treated wastewater into the Red Cedar River, a tributary of the Chippewa River in the Mississippi River Basin.
NEENAH MENASHA SC WWTP serves 52,258 people in Menasha, Wisconsin. The plant discharges into the Fox River system, which flows into Lake Michigan via Green Bay.
MEDFORD WWTP serves the city of Medford, Wisconsin, treating wastewater for a population of 4,421. The plant discharges into local waterways within the Lake Michigan basin.
MAYVILLE STP serves 5,221 people in Mayville, Wisconsin, discharging treated wastewater into the Rock River basin. The plant operates under U.S. EPA and Wisconsin DNR regulations.
Mauston STP serves approximately 4,783 residents in Mauston, Wisconsin. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.