18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Hebgen Lake Estates County WandS Dist is a secondary treatment plant in Gallatin County, Montana, serving 168 people. It discharges 34.07 million gallons per year and has a designed capacity of 75.71 million gallons.
Hebron Lagoon is a secondary wastewater treatment plant in Hebron, North Dakota, serving 747 residents. It discharges 302.83 megaliters annually and has a designed capacity of 416.39 megaliters.
Hebron WWTP is a secondary treatment plant serving 2,206 people in Hebron, Nebraska. It discharges treated wastewater into the local watershed, operating under U.S. EPA NPDES regulations.
Heckington STW is a secondary treatment plant serving 4,131 people in North Kesteven, Lincolnshire, England. It discharges treated wastewater into the local water environment, operating under UK regulations.
Hector Sewage Plant in Hector Township, Minnesota, provides secondary treatment for a population of 1,148. The plant discharges treated wastewater into local waterways, supporting the Minnesota River basin.
Hectorspruit wastewater treatment plant serves Nkomazi, Mpumalanga, South Africa, providing secondary treatment for a population of 2,960.
Hedrick WWTP is a secondary treatment plant serving 837 people in Hedrick, Iowa. It discharges 643.52 units of treated wastewater and has a designed capacity of 1324.89 units.
Hegyhathodasz szennyviztisztito telep is a secondary treatment plant in Hegyháthodász, Hungary, serving 107 people with a designed capacity of 180 m³/day and a discharge volume of 12.61 m³/day.
Heidelberg POTW is a secondary treatment plant serving 2,172 people in Jasper County, Mississippi. It discharges 685.16 million gallons per year into local waterways.
Heidenheim wastewater treatment plant in Bayern, Germany serves approximately 750 people with secondary treatment. The plant is now closed and no longer operational.
Heiligenstadt_Ofr is a secondary wastewater treatment plant in Heiligenstadt i. OFr., Bavaria, Germany, serving about 2,026 people with a design capacity of 4,500 m³/day.
Heimweiler wastewater treatment plant in Rheinland-Pfalz, Germany, serves about 2,215 people with secondary treatment. It discharges approximately 789 m³/day and has a designed capacity of 3,150 m³/day.
Heineken SA is a secondary treatment plant in Ekurhuleni, Gauteng, South Africa, serving a population of 44. It discharges 6.00 units of treated wastewater into local water bodies.
Heldenstein wastewater treatment plant in Weidenbach, Bavaria, Germany, serves 1,250 people with secondary treatment. The plant is closed and discharges 930 m³/day.
HELECINE wastewater treatment plant in Neerheylissem, Belgium, provides secondary treatment for a small population of 997. It operates under EU Urban Waste Water Treatment Directive standards.
HELEN LAS is a secondary wastewater treatment plant in White County, Georgia, serving a population of 334. It discharges 113.56 volume units daily with a designed capacity of 151.42.
Helena WPCP is a secondary treatment plant serving 1,150 people in McRae-Helena, Georgia. It discharges approximately 530 m³/day of treated wastewater into local waterways.
Helena WWT is a secondary treatment plant serving 443 people in Alfalfa County, Oklahoma. It discharges 189.27 cubic meters of treated wastewater daily, operating under U.S. EPA and Oklahoma DEQ regulations.
HELENWOOD STP is a secondary treatment plant in Helenwood, Tennessee, serving 700 people. It discharges 151.42 thousand cubic meters per year and operates under US EPA NPDES regulations.
Helleneset wastewater treatment plant serves 1,420 people in Bergen, Norway, with secondary treatment. It discharges treated effluent near the coast of Vestland county.