18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
HARTFORD STL is a secondary wastewater treatment plant in Hartford, Iowa, serving 768 people. It discharges 492.10 volume units daily with a designed capacity of 984.20.
Hartford WWTP is a secondary treatment plant serving approximately 490 people in Hartford, Kansas. It discharges treated wastewater into local waterways, supporting the region's water quality.
Hartington WWTP is a secondary treatment plant serving 1,758 residents in Hartington, Nebraska. It discharges approximately 719 cubic meters of treated wastewater daily.
Hartley Bay Septic Tank is a secondary treatment plant serving 80 people in Hartley Bay, British Columbia, Canada. It discharges 55.00 cubic meters of treated wastewater daily.
Hartley WWTP is a secondary treatment plant serving 1,672 people in Hartley, Iowa. It discharges 957.71 thousand cubic meters of treated wastewater annually.
Hartshorne WWT is a secondary treatment plant serving 3,500 residents in Hartshorne, Oklahoma. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
Hartstene Pointe STP is a secondary treatment plant in Mason County, Washington, serving 860 people. It discharges 704.09 units of treated wastewater near the coast of Puget Sound.
Hartville WWTP is a secondary treatment plant serving 62 people in Hartville, Wyoming. It discharges 22.71 megaliters per year and has a designed capacity of 45.42 megaliters per year.
Hartville WWTP is a secondary treatment plant serving 629 people in Hartville, Missouri. It discharges 264.98 thousand cubic meters annually and has a designed capacity of 378.54 thousand cubic meters.
Harvard WWTP is a secondary treatment facility serving 1,242 people in Harvard, Nebraska. It discharges 378.54 cubic meters of treated wastewater daily.
Harvey Lagoon is a secondary treatment plant serving 1,783 people in Harvey, North Dakota. It discharges 605.67 thousand cubic meters of treated wastewater annually, with a design capacity of 832.79 thousand cubic meters.
Harvey Lagoon is a secondary wastewater treatment plant serving 474 people in Harvey Rural Community, New Brunswick, Canada. It discharges 213.00 cubic meters of treated effluent daily.
Harvey STP in Marion County, Iowa, is a secondary treatment plant serving 235 people. It discharges 75.71 units of treated wastewater, operating under U.S. Clean Water Act regulations.
Harveyville WWTP is a secondary treatment plant in Wabaunsee County, Kansas, serving 267 people. It discharges 98.42 units of treated wastewater daily, with a designed capacity of 102.21 units.
Harvington STW is a secondary wastewater treatment plant in Wychavon, England, serving approximately 2,400 people. It discharges 537 m³/day of treated effluent into the local water environment.
Harwood Lagoon is a secondary wastewater treatment plant serving approximately 300 people in Harwood, North Dakota. It discharges 151.42 megaliters annually and has a designed capacity of 492.10 megaliters.
HASKELL CO 2 KINTA WWT is a secondary treatment plant serving 297 people in Kinta, Oklahoma. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
HASKELL PWA WWT is a secondary treatment plant in Muskogee County, Oklahoma, serving 2,007 people. It discharges 757.08 m³/day of treated wastewater with a design capacity of 1,476.31 m³/day.
Hasselbach Weyerbusch is a closed secondary treatment plant in Forstmehren, Rheinland-Pfalz, Germany. It served approximately 1,750 people with a designed capacity of 2,400 m³/day.
Hasselberg wastewater treatment plant in Kieholm, Schleswig-Holstein, Germany, serves 3,417 people with secondary treatment. It discharges 333.92 m³/day and is located near the Baltic Sea coast.