18,358 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Ho Chunk Blue Wing WWTP is a secondary treatment plant serving 200 people in Town of Byron, Wisconsin. It discharges treated wastewater into local waterways under U.S. EPA and state regulations.
HO CHUNK NATION WWTP is a secondary treatment plant serving 638 people in the Town of Komensky, Wisconsin. It discharges 189.27 megaliters of treated wastewater annually.
Hixton WWTP is a secondary treatment plant serving 536 people in Hixton, Wisconsin. It discharges 151.42 m³/day of treated wastewater, with a designed capacity of 158.99 m³/day.
Hill Point SD STP is a secondary wastewater treatment plant serving 109 people in the Town of Washington, Wisconsin. It discharges 37.85 m³/day of treated effluent into local waterways.
CLOVER SD 1 STP is a secondary treatment plant serving 278 people in the Town of Clover, Wisconsin. It discharges 53.00 million gallons per day and is located near Lake Superior.
Hawkins WWTP is a secondary treatment plant serving 305 residents in Hawkins, Wisconsin. It discharges 227.13 megaliters of treated wastewater annually, operating under U.S. EPA NPDES regulations.
HAUGEN STP is a secondary wastewater treatment plant in Haugen, Wisconsin, serving 284 people. It discharges 45.43 units of treated wastewater daily, with a designed capacity of 90.85 units.
Hancock WWTP is a secondary treatment plant serving 480 people in Hancock, Wisconsin. It discharges 105.99 million gallons per year and has a designed capacity of 253.62 million gallons per year.
Hammond STP is a secondary wastewater treatment plant serving the Village of Hammond, Wisconsin. It discharges treated water into local waterways, supporting the St. Croix River basin.
Gresham WWTP is a secondary treatment facility serving 583 people in Gresham, Wisconsin. It discharges 302.83 cubic meters of treated wastewater daily, with a designed capacity of 579.17 cubic meters per day.
Green Lake WWTP serves the City of Green Lake, Wisconsin, with secondary treatment for a population of 1,405. It discharges treated wastewater into the local watershed, supporting downstream water quality.
Gratiot STP is a secondary treatment plant serving 259 people in Gratiot, Wisconsin. It discharges 60.57 million gallons per year and operates under the US Clean Water Act.
Granton WWTP is a secondary treatment facility serving 407 people in Granton, Wisconsin. It discharges treated wastewater into local waterways, supporting the region's water quality.
Gillett WWTP is a secondary treatment facility serving 1,380 people in Gillett, Wisconsin. It discharges 514.82 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,268.11 thousand cubic meters.
GENOA STP is a secondary treatment plant in Genoa, Wisconsin, serving 359 people. It discharges 71.92 million gallons per year and operates under US EPA NPDES regulations.
GAYS MILLS STP is a secondary wastewater treatment plant serving 929 residents in Gays Mills, Wisconsin. It discharges treated effluent into local waterways under US EPA and Wisconsin DNR regulations.
GALESVILLE WWTP is a secondary treatment plant serving 1,668 people in the Town of Caledonia, Wisconsin. It discharges treated wastewater into the local watershed, ultimately draining to the Mississippi River.
FRIESLAND WWTP is a secondary treatment facility in Friesland, Wisconsin, serving 297 people. It discharges treated wastewater into local waterways, supporting the region's water quality.
FREDERIC STP is a secondary wastewater treatment plant serving 1,261 people in Frederic, Wisconsin. It discharges 378.54 m³/day of treated effluent into local waterways.
Francis Creek WWTP is a secondary treatment plant in Town of Kossuth, Wisconsin, serving 718 people. It discharges treated wastewater near the coast of Lake Michigan.