18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
Irsental wastewater treatment plant in Daleiden, Rheinland-Pfalz, Germany, serves a population of 2,460 with secondary treatment. It has a designed capacity of 2,600 m³/day and discharges 862.64 m³/day.
IRVING STP is a secondary wastewater treatment plant in Irving, Illinois, serving a population of 665. It discharges 189.27 megaliters annually and has a designed capacity of 264.98 megaliters.
Irvington STP is a secondary treatment plant serving 1,360 people in Irvington, Kentucky. It discharges 151.42 million gallons per year and has a designed capacity of 1,135.62 million gallons.
IRWIN WASTE STAB PONDS is a secondary treatment plant serving 341 people in Shelby County, Iowa. It discharges 151.42 units of treated wastewater daily, with a designed capacity of 246.05 units.
ISABEL WWTP in Sawyer, Kansas provides secondary treatment for a small population of 108. The plant discharges 37.85 units of treated wastewater daily, with a designed capacity of 64.35 units.
Ischipico Huanta PTAR 2 is a secondary wastewater treatment plant serving Huanta, Ayacucho, Peru. It treats municipal wastewater from approximately 7,338 people and discharges 604.80 cubic meters per day.
Ischitella Nuovo is a secondary wastewater treatment plant in Ischitella, Puglia, Italy, serving 2,484 people. It discharges 476 m³/day and is located within 10 km of the Adriatic coast.
Isenthal wastewater treatment plant serves the Swiss village of Isenthal in Uri canton. The secondary treatment facility has a designed capacity of 650 m³/day and discharges 73.54 m³/day.
Isidro Fabela wastewater treatment plant serves the community of Localidad Miraflores in Isidro Fabela, Estado de México, Mexico. It provides secondary treatment for a population of 2,738.
Iskatewizaagegan 39 WWTF is a secondary treatment plant in Unorganized Kenora District, Ontario, Canada, serving a small population of 72. It discharges 75.00 cubic meters of treated wastewater daily.
Isla Azul wastewater treatment plant in Cancún, Quintana Roo, Mexico, serves 3,614 people with secondary treatment. It discharges 342.14 cubic meters of treated wastewater daily, located within 10 km of the Caribbean coast.
Island Rock Cove Outfall is a secondary treatment plant serving 249 people in Springdale, Newfoundland and Labrador, Canada. It discharges 112.00 cubic meters of treated wastewater daily.
ISLAND STP is a secondary treatment plant serving 440 people in Island, Kentucky. It discharges 253.62 thousand gallons per day and operates under US EPA NPDES regulations.
ISLEHAM STW is a secondary treatment plant serving West Suffolk, England, with a population equivalent of 2,173. It discharges treated wastewater into local waterways, supporting the region's environmental health.
Islesboro Treatment Facility is a secondary wastewater plant serving 158 residents on Islesboro, Maine. It discharges 37.85 million gallons per year into the local coastal environment.
Isleton WWTF is a secondary treatment plant serving 828 residents in Isleton, California. It discharges 681.37 million gallons per year into the Sacramento-San Joaquin Delta ecosystem.
ISOLA POTW is a secondary treatment plant serving 910 people in Isola, Mississippi. It discharges treated wastewater with a volume of 340.69 and has a designed capacity of 492.10.
ISONE wastewater treatment plant serves the small community of Isone in Ticino, Switzerland. It provides secondary treatment and has a designed capacity of 1,250 m³/day.
ISSO is a secondary wastewater treatment plant serving 2,394 people in Hellín, Castilla-La Mancha, Spain. It discharges 330.15 m³/day of treated effluent into the local watershed.
ISSOGNE_GRANPRA is a secondary wastewater treatment plant in Issogne, Valle d'Aosta, Italy, serving approximately 1,000 people. It discharges 197.96 m³/day of treated effluent.