18,358 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
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.
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.
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.
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.
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.
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.
Milladore STP is a secondary treatment plant serving 275 residents in Milladore, Wisconsin. It discharges 151.42 megaliters per year and operates under U.S. EPA and Wisconsin DNR regulations.
MELROSE WWTP is a secondary treatment plant serving 520 people in Town of Melrose, Wisconsin. It discharges 105.99 units of treated wastewater daily, with a designed capacity of 204.41 units.
MELLEN WWTP is a secondary treatment plant serving 730 people in Mellen, Wisconsin. It discharges approximately 719.23 units of treated wastewater and has a designed capacity of 776.01 units.
Mattoon WWTP is a secondary treatment plant serving 435 people in Mattoon, Wisconsin. It discharges 136.28 million gallons per year and operates under US EPA NPDES regulations.
MASON STP is a secondary wastewater treatment plant serving 93 people in Mason, Wisconsin. It discharges 26.50 units of treated effluent and has a designed capacity of 41.64 units.
Maplewood SD 1 STP is a secondary treatment plant serving 101 people in Town of Forestville, Wisconsin. It discharges 56.78 million gallons per year and is located within 10 km of Lake Michigan.
Maiden Rock STP is a secondary treatment plant serving 119 residents in Maiden Rock, Wisconsin. It discharges 26.50 million gallons daily and has a designed capacity of 87.06 million gallons.
LUBLIN WWTP is a secondary treatment facility serving Lublin, Wisconsin. It treats an average of 37.85 cubic meters per day with a designed capacity of 75.71 cubic meters per day.
Lone Rock STP is a secondary wastewater treatment plant serving 886 residents in Lone Rock, Wisconsin. It discharges treated effluent into local waterways, operating under US EPA and Wisconsin DNR regulations.
Loganville STP is a secondary wastewater treatment plant serving 304 residents in Loganville, Wisconsin. The facility has a designed capacity of 170.34 and discharges 117.35 units of treated effluent.
LA VALLE STP is a secondary treatment plant serving 301 people in Town of La Valle, Wisconsin. It discharges treated wastewater into local waterways, supporting the region's water quality.
Lake Nebagamon STP is a secondary treatment plant serving 1,068 residents in Lake Nebagamon, Wisconsin. It discharges 211.98 million gallons per year into local waters.
LA FARGE STP is a secondary treatment plant serving 746 people in the Town of Stark, Wisconsin. It discharges treated wastewater into local waterways within the Mississippi River basin.