18,358 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
Knapp WWTP is a secondary treatment plant in the Town of Stanton, Wisconsin, serving 428 people. It discharges 87.06 million gallons per year and has a designed capacity of 158.99 million gallons.
Kingston WWTP is a secondary treatment plant serving 281 people in the Village of Kingston, Wisconsin. It discharges 75.71 thousand cubic meters per year and has a designed capacity of 79.49 thousand cubic meters per year.
Catawba Kennan Joint SC STP is a secondary treatment plant serving 315 people in Kennan, Wisconsin. It discharges 87.06 units of treated wastewater daily, with a designed capacity of 124.92 units.
Kellnersville WWTP is a secondary treatment plant serving 373 residents in Kellnersville, Wisconsin. It discharges 113.56 million gallons per year and operates under US EPA NPDES regulations.
Junction City STP is a secondary wastewater treatment plant serving 388 residents in Junction City, Wisconsin. The facility processes an average daily flow of 321.76 thousand gallons against a design capacity of 412.61 thousand gallons.
JUDA SD 1 WWTP is a secondary treatment plant serving 390 people in Town of Jefferson, Wisconsin. It discharges 151.42 cubic meters per day into local waterways.
Iron Ridge WWTP is a secondary treatment plant serving 1,130 people in Iron Ridge, Wisconsin, USA. It discharges 378.54 m³/day of treated wastewater into local waterways.
IOLA WWTP is a secondary treatment plant serving the Town of Iola, Wisconsin. It treats wastewater for a population of 1,432 and discharges 503.46 million gallons per year.
Hustisford WWTP is a secondary treatment plant serving 2,156 people in Hustisford, Wisconsin. It discharges 757.08 m³/day of treated wastewater, with a designed capacity of 893.35 m³/day.
Hub Rock SD 1 STP serves the Town of Rockbridge, Wisconsin, providing secondary treatment for a small population of 200. The plant discharges 53.00 units of treated wastewater daily.