Wastewater plants in Wisconsin

595 plants indexed.

595 plants

OCONTO WWTP

Oconto, Wisconsin

Oconto WWTP is a secondary treatment plant serving 6,063 people in Oconto, Wisconsin. It discharges 859.29 thousand cubic meters of treated wastewater annually, with a designed capacity of 6,851.57 thousand cubic meters.

Secondary 6,063

OAKFIELD STP

Oakfield, Wisconsin

Oakfield STP is an advanced wastewater treatment plant serving 1,240 people in Oakfield, Wisconsin. It discharges 745.73 units of treated effluent daily, with a designed capacity of 1,154.55 units.

Advanced 1,240

NORWALK WWTP

Norwalk, Wisconsin

NORWALK WWTP in Norwalk, Wisconsin, provides advanced treatment for a small community of 703 residents, discharging 151.42 units of treated wastewater daily.

Advanced 703

NORTH FREEDOM STP

North Freedom, Wisconsin

North Freedom STP is a secondary treatment plant serving 701 people in North Freedom, Wisconsin. It discharges treated wastewater into local waterways, supporting the region's water quality.

Secondary 701

NICHOLS WWTP

Town of Cicero, Wisconsin

NICHOLS WWTP is a secondary treatment plant serving 275 people in Town of Cicero, Wisconsin. It discharges 105.99 million gallons per year and operates under US Clean Water Act regulations.

Secondary 275

NEW LISBON STP

New Lisbon, Wisconsin

NEW LISBON STP is an advanced wastewater treatment plant serving 2,335 people in New Lisbon, Wisconsin. It discharges 643.52 million gallons per year into local waterways.

Advanced 2,335

NEW GLARUS STP

New Glarus, Wisconsin

New Glarus STP is an advanced wastewater treatment plant serving 2,174 residents in New Glarus, Wisconsin. It discharges treated water into local waterways, supporting the Sugar River watershed.

Advanced 2,174

NEWBURG STP

Newburg, Wisconsin

NEWBURG STP is an advanced wastewater treatment plant in Newburg, Wisconsin, serving a population of 1,154. It discharges 461.82 thousand cubic meters annually and is located within 50 km of Lake Michigan.

Advanced 1,154

NEW AUBURN WWTP

New Auburn, Wisconsin

New Auburn WWTP is a secondary treatment facility serving 548 residents in New Auburn, Wisconsin. It discharges treated wastewater into local waterways, supporting the Chippewa River watershed.

Secondary 548

NESHKORO WWTP

Neshkoro, Wisconsin

Neshkoro WWTP is a secondary treatment plant serving 520 residents in Neshkoro, Wisconsin. It discharges 94.64 cubic meters of treated wastewater daily, with a designed capacity of 170.34 cubic meters.

Secondary 520

NECEDAH STP

Necedah, Wisconsin

Necedah STP is a secondary wastewater treatment plant serving 938 residents in Necedah, Wisconsin. It discharges 272.55 megaliters annually and has a designed capacity of 946.35 megaliters.

Secondary 938

MUSCODA STP

Muscoda, Wisconsin

Muscoda STP is a secondary wastewater treatment plant serving approximately 1,300 residents in Muscoda, Wisconsin. The facility discharges treated effluent into the local watershed under US EPA and state regulatory oversight.

Secondary 1,300

MT CALVARY WWTP

Mount Calvary, Wisconsin

MT CALVARY WWTP serves Mount Calvary, Wisconsin, with advanced treatment for a population of 1,123. The plant discharges 412.61 units of treated wastewater daily, operating under US EPA NPDES regulations.

Advanced 1,123

MONTREAL WWTP

Montreal, Wisconsin

Montreal WWTP is a secondary treatment plant serving 1,511 people in Montreal, Wisconsin. It discharges 677.59 units of treated wastewater daily, operating under US EPA NPDES regulations.

Secondary 1,511

MONTICELLO WWTP

Monticello, Wisconsin

Monticello WWTP is a secondary treatment facility serving approximately 1,477 residents in Monticello, Wisconsin. The plant discharges treated wastewater into local waterways, supporting the region's water quality.

Secondary 1,477

MONTFORT STP

Town of Wingville, Wisconsin

MONTFORT STP is an advanced wastewater treatment plant in Town of Wingville, Wisconsin, serving 691 people. It discharges 317.98 units of treated water daily, with a designed capacity of 397.47 units.

Advanced 691

MONTELLO WWTP

Montello, Wisconsin

Montello WWTP is a secondary treatment plant serving 1,410 people in Montello, Wisconsin. It discharges 567.81 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,135.62.

Secondary 1,410

MONDOVI WWTP

Mondovi, Wisconsin

Mondovi WWTP is an advanced treatment facility serving approximately 2,714 people in Mondovi, Wisconsin. The plant discharges 768.44 million gallons per year and has a designed capacity of 1,457.38 million gallons per year.

Advanced 2,714

MINONG STP

Minong, Wisconsin

MINONG STP is a secondary wastewater treatment plant in Minong, Wisconsin, serving 587 people. It discharges treated effluent into local waterways, supporting the St. Croix River basin.

Secondary 587

MILLTOWN STP

Town of Milltown, Wisconsin

MILLTOWN STP is a secondary wastewater treatment plant serving 913 people in the Town of Milltown, Wisconsin. It discharges treated effluent into local waterways within the St. Croix River basin.

Secondary 913

Frequently asked

How many wastewater treatment plants are in Wisconsin?

UtilityRadar indexes 595 wastewater treatment plants in Wisconsin, with treatment level, capacity, operator and discharge data on each record.

What is the largest wastewater treatment plant in Wisconsin?

Among the indexed plants, OCONTO WWTP has the highest designed capacity at 6,852 m3/day.

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