18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
Heyford STW is a secondary treatment plant serving 2,190 people in Cherwell, Oxfordshire, England. It discharges 487.57 m³/day of treated wastewater into local watercourses.
Heywood Wastewater Treatment Plant is a secondary treatment facility serving the town of Heywood in Victoria, Australia. It discharges treated wastewater near the coast, supporting local environmental health.
HG Outfall 1 is a secondary-level municipal wastewater treatment plant serving Harbour Grace, Newfoundland and Labrador, Canada. It discharges treated effluent near the coast of Conception Bay.
HG Outfall 2 is a secondary wastewater treatment plant in Harbour Grace, Newfoundland and Labrador, Canada, serving 891 people. It discharges 400 cubic meters of treated wastewater daily near the coast.
HG Outfall 3 is a secondary wastewater treatment plant in Harbour Grace, Newfoundland and Labrador, Canada, serving approximately 1,114 people.
HG Outfall 4 is a secondary treatment plant in Harbour Grace, Newfoundland and Labrador, serving 668 people. It discharges treated wastewater into the local marine environment near the coast.
HG Outfall 5 is a secondary wastewater treatment plant in Harbour Grace, Newfoundland and Labrador, Canada, serving approximately 1,225 people.
HICKORY FLAT POTW is a secondary wastewater treatment plant serving approximately 535 residents in Hickory Flat, Mississippi, USA. The facility has a designed capacity of 340.69 cubic meters per day and discharges 189.27 cubic meters of treated efflu
Hickory Flats Jonesville is a secondary wastewater treatment plant in Lee County, Virginia, serving about 7,400 people. It discharges treated effluent into local waterways, supporting the region's environmental health.
Hickory Hills North Lagoon is a secondary treatment plant serving 110 people in Johnson County, Missouri. It discharges treated wastewater into local waterways under US EPA NPDES regulations.