26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
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.
Marshfield WWTP serves 19,400 people in Marshfield, Wisconsin. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater.
Marshall STP serves approximately 3,864 residents in Marshall, Wisconsin. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.
Markesan WWTP serves approximately 2,191 residents in Markesan, Wisconsin. The plant operates under U.S. EPA and Wisconsin DNR regulations for municipal wastewater treatment.
Marinette WWTP serves approximately 11,749 people in Marinette, Wisconsin. The plant discharges treated wastewater into the Menominee River, which flows into Green Bay and Lake Michigan.
Manitowoc WWTP serves approximately 34,724 residents in Manitowoc, Wisconsin, discharging treated wastewater into Lake Michigan. The plant operates under the US Clean Water Act framework.
Madison MSD STP serves approximately 358,612 people in Madison, Wisconsin. The plant discharges treated wastewater into the local watershed, ultimately draining to the Mississippi River basin.
LOMIRA WWTP serves the village of Lomira, Wisconsin, with a designed capacity of 1.00 million gallons per day. The plant treats wastewater for a population of 2,627 under US EPA and Wisconsin DNR regulations.
LODI WWTP serves the community of Lodi, Wisconsin, treating wastewater for approximately 3,067 residents. The plant operates under U.S. EPA and state regulations for small agglomerations.
Lancaster STP serves approximately 3,900 residents in Lancaster, Wisconsin. The plant treats municipal wastewater and discharges into the local watershed, ultimately draining to the Mississippi River basin.
Lake Mills WWTP serves approximately 7,000 residents in Lake Mills, Wisconsin. The plant discharges treated wastewater into local waterways, supporting the Rock River basin ecosystem.