18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
GRETNA STP is a secondary wastewater treatment plant in Pittsylvania County, Virginia, serving 2,270 people. It discharges 227.13 million gallons per year and has a designed capacity of 870.64 million gallons per year.
Grettstadt wastewater treatment plant in Bayern, Germany, serves a small population of 1,917 with secondary treatment. The plant is now closed, having had a designed capacity of 2,500 m³/day.
Greybull Lagoon is a secondary wastewater treatment plant in Big Horn County, Wyoming, serving a population of 1,847. It discharges 832.79 megaliters per year and has a designed capacity of 1,892.70 megaliters.
Greylingstad wastewater treatment plant serves Dipaleseng Local Municipality in Mpumalanga, South Africa. The facility provides secondary treatment and discharges 1.00 million cubic meters annually.
Greyton wastewater treatment plant serves Theewaterskloof Local Municipality in Western Cape, South Africa.
GREZ DOICEAU wastewater treatment plant in Grez-Doiceau, Brabant wallon, Belgium, serves 4,739 people with secondary treatment. It has a designed capacity of 20,000 m³/day and discharges 847.09 m³/day.
GRIDLEY STP is a secondary wastewater treatment plant serving Gridley, Illinois, with a designed capacity of 681.37 volume units and an average discharge of 492.10 volume units.
GRIDLEY WWTP is a secondary treatment plant in Gridley, Kansas, serving 372 people. It discharges 140.06 million gallons per year and operates under the US Clean Water Act.
Griekwastad wastewater treatment plant serves approximately 5,180 people in Siyancuma Local Municipality, Northern Cape, South Africa. The facility provides secondary treatment and discharges 700 cubic meters of treated wastewater daily.
Griesstatt wastewater treatment plant in Griesstätt, Bayern, Germany, serves a population of 1,767 with secondary treatment. The plant has a designed capacity of 3,000 m³/day and is currently closed.
GRIGNAN wastewater treatment plant serves 2,600 people in Grignan, Auvergne-Rhône-Alpes, France. It provides secondary treatment and discharges 463.84 m³/day, operating under the EU Urban Waste Water Treatment Directive.
GRIGNOLS 2 is a secondary wastewater treatment plant in Sillas, Nouvelle-Aquitaine, France, serving approximately 2,345 people with a designed capacity of 2,000 m³/day.
Grillon wastewater treatment plant serves 3,300 people in Provence-Alpes-Côte d'Azur, France. It provides secondary treatment and discharges treated effluent into local watercourses.
Grimshaw Wastewater Lagoon is a secondary treatment plant serving 1,291 people in the Municipal District of Peace No. 135, Alberta, Canada. It discharges 757 cubic meters of treated wastewater daily.
GRIMSTEAD STW is a secondary wastewater treatment plant in East Grimstead, England, serving approximately 2,905 people. It discharges treated effluent into local watercourses within the Hampshire Avon catchment.
GRIMSTON STW is a secondary treatment plant serving 3,890 people in King's Lynn and West Norfolk, England. It discharges 866.05 cubic meters of treated wastewater daily.
GRINNEL WWTP is a secondary treatment plant in Gove County, Kansas, serving a small population of 295. It discharges treated wastewater into local waterways, supporting regional water quality.
GRISWOLD WWTP is a secondary treatment plant in Cass County, Iowa, serving approximately 1,027 people. It discharges 965.28 units of treated wastewater and has a designed capacity of 1,313.53 units.
Grobinas pilsetas NAI is a secondary wastewater treatment plant in Grobiņas pagasts, Latvia, serving 1,316 people. It discharges 376.86 m³/day and is located within 10 km of the Baltic Sea coast.
Groblershoop wastewater treatment plant in Northern Cape, South Africa, serves about 4,440 people with secondary treatment. It discharges 600 m³/day into the Orange River basin, supporting local water quality.