8,299 plants indexed worldwide.
Tertiary treatment, including nutrient removal and advanced filtration.
Helgoland wastewater treatment plant on the North Sea island of Helgoland, Germany, serves 2,161 people with advanced treatment. It discharges 366.75 m³/day and has a design capacity of 6,150 m³/day.
Helmsburg RSD WWTP is an advanced treatment plant serving 471 people in Helmsburg, Indiana. It operates under US Clean Water Act regulations with a discharge volume of 113.56 units.
Helpfau Uttendorf is an advanced wastewater treatment plant in Helpfau-Uttendorf, Oberösterreich, Austria, serving 4,830 people with a designed capacity of 4,000 m³/day.
Hemavan Avlrenverk in Hemavan, Sweden, is an advanced wastewater treatment plant serving approximately 4,284 people. It has a designed capacity of 5,000 m³/day and discharges 672.51 m³/day of treated effluent.
Hemmingstedt wastewater treatment plant in Schleswig-Holstein, Germany, serves about 4,000 people with advanced treatment. It discharges treated effluent inland, contributing to local water quality.
Hemse avloppsreningsverk is an advanced wastewater treatment plant serving 1,410 people in Hemse, Gotland, Sweden. It operates under Swedish and EU regulations with a designed capacity of 2,100 m³/day.
Henagar WWTP is an advanced treatment facility serving 233 people in Henagar, Alabama. It discharges treated wastewater into local waterways, supporting environmental health in DeKalb County.
HENDERSON TWP STP is an advanced wastewater treatment plant in Henderson Township, Pennsylvania, serving 400 people with a discharge volume of 151.42 units.
HENDERSON WWCTS is an advanced treatment plant serving 1,674 people in Henderson, Louisiana. It discharges 832.79 volume units into local waterways under U.S. Clean Water Act regulations.
Hennef Greuelsiefen is an advanced wastewater treatment plant in Hennef (Sieg), Nordrhein-Westfalen, Germany. It serves a population of 2,437 and discharges treated water into the local Sieg river system.
Hennstedt wastewater treatment plant in Schleswig-Holstein, Germany, serves about 3,645 people with advanced treatment. It discharges 381.69 m³/day and has a designed capacity of 3,800 m³/day.
Henrykow wastewater treatment plant in Henryków, Poland, serves a population of 1,028 with advanced treatment. It discharges 146.58 cubic meters of treated wastewater daily.
HERBIGNAC bourg is an advanced wastewater treatment plant in Herbignac, Pays de la Loire, France, serving 3,350 people with a designed capacity of 6,700 m³/day.
Herbsleben wastewater treatment plant in Thüringen, Germany, serves about 3,800 people with advanced treatment. It discharges 548 m³/day of treated effluent into the local water system.
Hereg Szennyviztisztito Telep is an advanced wastewater treatment plant serving Héreg, Hungary. It treats municipal wastewater for a population of 736 with a designed capacity of 408 m³/day.
HEREMENCE wastewater treatment plant in Euseigne, Valais, Switzerland serves 956 people with advanced treatment. It discharges 433.95 units of treated wastewater and has a designed capacity of 3333.00 units.
HERIC Les Basse Naudais is an advanced wastewater treatment plant in Héric, Pays de la Loire, France, serving 2,417 people with a designed capacity of 2,600 m³/day.
Heritage Place WWTF in Polk County, Florida, serves 360 people with advanced treatment. The plant discharges 113.56 units of treated wastewater daily, with a designed capacity of 227.12 units.
HERLIES is an advanced wastewater treatment plant in Marquillies, Hauts-de-France, France, serving 5,283 people. It discharges 942.48 m³/day of treated effluent, operating under EU Urban Waste Water Treatment Directive standards.
Hermitage WWTP is an advanced treatment plant serving 830 people in Bradley County, Arkansas. It discharges 227.13 units of treated wastewater daily, with a designed capacity of 264.98 units.