18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Herndon WWTP is a secondary treatment plant serving 135 people in Herndon, Kansas. It discharges 56.78 million gallons per year with a designed capacity of 128.70 million gallons.
Hernic Ferrochrome Maroelabult Mine wastewater treatment plant serves 1,036 people in Madibeng Local Municipality, North West, South Africa.
Hernic Ferrochrome Maroelabult Plant in Madibeng Local Municipality, North West, South Africa, provides secondary treatment for a small population of 1,258.
Heroes de Nacozari wastewater treatment plant serves 913 people in Durango, Mexico, with secondary treatment. It discharges 86.40 m³/day and has a designed capacity of 129.60 m³/day.
Herold's Bay wastewater treatment plant in Garden Route District Municipality, Western Cape, South Africa, serves 1,776 people with secondary treatment.
Herrera de Pisuerga wastewater treatment plant serves the town of Herrera de Pisuerga in Castilla y León, Spain. It provides secondary treatment for a population of 5,000.
Herreras wastewater treatment plant serves Los Herreras, Nuevo León, Mexico. It provides secondary treatment for a population of 1,843 and has a designed capacity of 1,296 m³/day.
Herrick Twp STP is a secondary treatment plant in Warren Township, Pennsylvania, serving 515 people. It discharges 189.27 megaliters of treated wastewater annually, operating under US EPA NPDES regulations.
Herrings V STP is a secondary treatment plant serving 129 people in the Village of Carthage, New York. It discharges 56.78 million gallons per year and operates under US EPA NPDES regulations.
HERRLISHEIM PRES COLMAR is a secondary wastewater treatment plant in Meyenheim, Grand Est, France. It serves 2,600 people with a designed capacity of 2,200 m³/day and discharges 463.84 m³/day.
Hershey WWTP is a secondary treatment facility serving 622 residents in Hershey, Nebraska. The plant discharges 189.27 megaliters of treated wastewater annually, with a designed capacity of 264.98 megaliters.
Hertford WWTP is a secondary treatment facility serving 2,630 people in Hertford, North Carolina. It discharges 832.79 thousand cubic meters per year and is located within 10 km of the coast.
Hertzogville wastewater treatment plant serves a small population of 15 in Tokologo Local Municipality, Free State, South Africa. It provides secondary treatment and discharges 2.00 ML/day.
HERY wastewater treatment plant serves Héry, Bourgogne-Franche-Comté, France. It provides secondary treatment for a population of 1,657 and discharges treated water into the local watershed.
HESPERIA STP is a secondary treatment plant in Denver Township, Michigan, serving 518 people. It discharges 378.54 m³/day and has a designed capacity of 643.52 m³/day.
Hesquiaht septic tank is a secondary treatment plant serving 73 people in Hesquiaht 6, British Columbia, Canada.
HESSDORF OT HANNBERG is a closed secondary treatment plant in Hannberg, Germany, serving 1,907 people. It discharged 482.62 cubic meters of treated wastewater before closure.
HETTINGER LAGOON is a secondary treatment plant in Adams County, North Dakota, serving 1,226 people. It discharges 454.25 units of treated wastewater and has a designed capacity of 681.37 units.
Hewitt SD WWTP is a secondary treatment plant serving 616 residents in Hewitt, Wisconsin. It discharges 151.42 megaliters of treated wastewater annually, operating under US EPA NPDES regulations.
Heyburn State Park S_T FA is a secondary treatment plant in Benewah County, Idaho, serving nearly 193,000 people. It discharges 37.85 million gallons of treated wastewater daily, with a designed capacity of 193.06 million gallons.