18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
HURTSBORO HCR LAGOON is a secondary wastewater treatment plant in Hurtsboro, Alabama, serving a small population of 444. It discharges treated effluent into local waterways under US EPA NPDES regulations.
Husby wastewater treatment plant in Markerup, Schleswig-Holstein, Germany, serves 2,500 people with secondary treatment. It has a designed capacity of 4,000 m³/day and discharges 276.45 m³/day.
Husky Sunrise WWTP is a secondary treatment plant in Calgary, Alberta, serving 207 people. It discharges treated wastewater into the Elbow River, part of the Bow River basin that flows into Hudson Bay.
Hustisford WWTP is a secondary treatment plant serving 2,156 people in Hustisford, Wisconsin. It discharges 757.08 m³/day of treated wastewater, with a designed capacity of 893.35 m³/day.
Hustler STP is a secondary wastewater treatment plant serving 170 people in Hustler, Wisconsin. It discharges treated effluent into local waterways under US Clean Water Act regulations.
Huston Twp Julian STP is a secondary wastewater treatment plant in Allegany Township, Pennsylvania, serving 270 people. It discharges 113.56 megaliters per year and has a designed capacity of 151.42 megaliters per year.
Huta Stara B wastewater treatment plant in województwo śląskie, Poland, serves 1,654 people with secondary treatment. It discharges 235.83 m³/day and has a designed capacity of 3,200 m³/day.
Hutki wastewater treatment plant in województwo lubelskie, Poland, serves 1,396 people with secondary treatment. It discharges 199.05 m³/day and has a designed capacity of 8,000 m³/day.
Huttig WWTP is a secondary treatment plant serving 597 people in Huttig, Arkansas. It discharges 136.28 megaliters of treated wastewater annually, with a designed capacity of 522.39 megaliters.
HV CO SD FARMINGTON ADD WWTP is a secondary treatment plant in Hesston, Kansas, serving a small population of 39. It discharges 15.14 million gallons per day and is located inland.
Hvolsvollur wastewater treatment plant serves the town of Hvolsvöllur in southern Iceland. It provides secondary treatment for a population of 2,500, discharging treated effluent into the local watershed.
HWEA Crofton STP is a secondary wastewater treatment plant serving 935 people in Christian County, Kentucky, United States. It discharges 681.37 volume units daily with a designed capacity of 757.08 volume units.
HYANNIS WWTP serves 301 people in Hyannis, Nebraska, providing secondary treatment. The plant discharges 121.13 million gallons per year into the local watershed.
Hyattstown WWTP is a secondary treatment plant serving 105 people in Hyattstown, Maryland, United States. It discharges 18.93 MLD of treated wastewater.
Hyde Park T SD1 WWTP is a secondary treatment plant in Town of Hyde Park, New York, serving 700 people. It discharges 374.76 thousand gallons per day and has a designed capacity of 499.67 thousand gallons per day.
HYDEN Wooten is a projected secondary treatment plant serving 479 people in Hyden, Kentucky. It discharges 189.27 cubic meters per day into local waterways within the Kentucky River basin.
Hyden WWTP is a secondary treatment plant serving 1,120 people in Hyden, Kentucky. It discharges 454.25 thousand cubic meters of treated wastewater annually, with a designed capacity of 757.08 thousand cubic meters.
Hydro WWT is a secondary treatment plant serving 1,090 people in Caddo County, Oklahoma. It discharges 454.25 units of treated wastewater daily, with a designed capacity of 435.32 units.
Hydrocentrum is a secondary wastewater treatment plant in Czeremcha, Podlaskie Voivodeship, Poland, serving a population of 438 with a designed capacity of 1,100 m³/day.
Hydrocentrum is a closed secondary treatment plant in Małe Łąki, Poland, serving 587 people. It discharged 83.70 m³/day with a designed capacity of 4,000 m³/day.