18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Guyra wastewater treatment plant in New South Wales, Australia, serves approximately 2,600 people with secondary treatment. The facility discharges 672.57 megalitres annually and operates under Australian state and federal water quality regulations.
GWINNER LAGOON is a secondary wastewater treatment plant serving Gwinner, North Dakota, USA. It treats wastewater for a population of 585 with a designed capacity of 567.81 volume units.
Gyarmat Szennyviztisztito Telep is a secondary treatment plant serving Győrszemere, Hungary. It treats wastewater for 1,200 people with a designed capacity of 1,375 m³/day.
GYPSUM WWTP is a secondary treatment plant serving 414 people in Saline County, Kansas. It discharges 155.20 units of treated wastewater daily, operating under US EPA NPDES regulations.
Haarbach Wolfachtal is a secondary treatment plant serving 2,190 people in Rainding, Bavaria, Germany. It discharges 864.59 m³/day of treated wastewater into the local watershed.
Haast wastewater treatment plant serves the small community of Haast on New Zealand's West Coast. It provides secondary treatment and discharges treated wastewater near the coast, supporting local environmental health.
HABAY LA NEUVE is a secondary wastewater treatment plant in Habay-la-Neuve, Luxembourg, Belgium, serving 1,086 people with a designed capacity of 2,520 m³/day and an average discharge of 194.12 m³/day.
Habay-la-Vieille wastewater treatment plant in Luxembourg, Belgium, serves 272 people with secondary treatment. It has a designed capacity of 900 m³/day and discharges 48.62 m³/day.
HADAR WWTP is a secondary treatment plant serving 220 people in Hadar, Nebraska. It discharges 113.56 megaliters of treated wastewater annually into the local watershed.
HADDAM WWTP is a secondary treatment plant serving 156 people in Washington County, Kansas, USA. It discharges 56.78 volume units and has a designed capacity of 87.06 volume units.
HADDENHAM STW is a secondary wastewater treatment plant in Haddenham, East Cambridgeshire, England, serving approximately 2,994 people. It discharges 666.57 m³/day of treated effluent and has a designed capacity of 3,052 m³/day.
Hadley T STP and On Site Systems is a secondary treatment plant serving 300 people in Town of Hadley, New York. It discharges treated wastewater into local waterways within the Hudson River basin.
Hadlow STW is a secondary wastewater treatment plant in Tonbridge and Malling, England, serving approximately 3,400 people. It discharges treated effluent into local watercourses within the Kent catchment.
Hagardsviken Garnes is a secondary treatment plant in Bergen, Norway, serving 342 people. It discharges 148.32 m³/day and has a designed capacity of 700 m³/day, located within 10 km of the coast.
Hagelstadt wastewater treatment plant in Gailsbach, Bavaria, Germany, serves 1,742 people with secondary treatment. The plant is now closed, with a designed capacity of 3,000 m³/day and a discharge volume of 440.86 m³/day.
Hagerman Lagoon is a secondary wastewater treatment plant serving 872 residents in Hagerman, Idaho. The facility discharges treated water into the local watershed, supporting the region's environmental health.
Hagerman Stab Pond is a secondary wastewater treatment facility serving 973 residents in Hagerman, New Mexico. The plant discharges 340.69 million gallons annually and has a designed capacity of 454.25 million gallons.
Haggerston Castle Caravan Park STW is a secondary treatment plant in Northumberland, England, serving a small population of 52. It discharges treated wastewater near the Northumberland coast.
Hague Lagoon is a secondary treatment plant serving 71 people in Hague, North Dakota. It discharges 37.85 m³/day of treated wastewater, with a designed capacity of 75.71 m³/day.
Hague T STP and On Site Systems serves the Town of Hague, New York, treating wastewater for 531 residents. The secondary treatment plant discharges 132.49 million gallons per year near Lake George.