18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
Hastings T Caughdenoy SD STP is a secondary treatment plant serving 950 people in Caughdenoy, New York. It discharges 64.35 million gallons per year into local waters.
Hastings Wastewater Treatment Facility in Trent Hills, Ontario, Canada, serves a small population of 1,177 with secondary treatment. It discharges treated wastewater into the local watershed, contributing to the Trent River system.
Hat Head wastewater treatment plant in New South Wales, Australia, serves a small coastal community of 588 people with secondary treatment, discharging treated effluent into the local environment.
HATCH WWTP in Taos County, New Mexico, is a secondary treatment facility serving 1,124 people. It discharges 416.40 acre-feet of treated wastewater annually, with a designed capacity of 567.81 acre-feet.
Hatfield Dept of Public Works is a secondary wastewater treatment plant serving 1,491 people in Hatfield, Massachusetts. The facility discharges treated effluent into the Connecticut River watershed.
Hatfield Heath STW is a secondary treatment plant in Uttlesford, England, serving 2,850 people. It discharges 634.51 m³/day of treated wastewater, operating under UK regulations.
Hatfield SD 1 STP is a secondary treatment plant serving 670 people in the Town of Adams, Wisconsin. It discharges 132.49 million gallons per year into local waterways.
Hatton Lagoon is a secondary wastewater treatment plant serving Hatton, North Dakota. It discharges treated effluent into local waterways under US EPA NPDES regulations.
Hattstedt wastewater treatment plant in Schleswig-Holstein, Germany, serves 1,900 people with secondary treatment. The closed facility discharged 480.84 m³/day and had a design capacity of 3,600 m³/day.
Haugadalen Follese is a secondary treatment plant serving 211 people in Hetlevik, Norway. It discharges 91.51 m³/day of treated wastewater near the coast of Askøy, Vestland.