18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
ISTAN wastewater treatment plant in Istán, Andalucía, Spain, serves 1,334 people with secondary treatment. The plant is closed and located within 10 km of the coast.
ISTRES ENTRESSEN GCHENE is a secondary wastewater treatment plant serving 4,425 people in Istres, Provence-Alpes-Côte d'Azur, France. It discharges 789.41 m³/day of treated effluent into the local watershed.
Italy WWTP in Italy, Texas, is a secondary treatment facility serving 2,200 people. It discharges 870.65 units of treated wastewater, operating under U.S. EPA NPDES regulations.
Ithaca WWTP is a secondary treatment plant serving 133 people in Ithaca, Nebraska. It discharges treated wastewater into the local watershed, supporting downstream water quality.
ITM is a secondary wastewater treatment plant in Mexicali, Baja California, Mexico, serving a population of 913. It discharges 86.40 cubic meters of treated wastewater daily.
Itshelejuba Hospital wastewater treatment plant in uPhongolo Local Municipality, KwaZulu-Natal, South Africa, serves a population of 1,332 with secondary treatment. It discharges 180 cubic meters of treated wastewater daily.
ITTRE is a secondary wastewater treatment plant in Ittre, Brabant wallon, Belgium, serving a population of 2,394. It has a designed capacity of 5,600 m³/day and discharges 427.93 m³/day of treated effluent.
Iturbide wastewater treatment plant in Nuevo León, Mexico, serves a small population of 2,397 with secondary treatment. It discharges 259.20 m³/day of treated wastewater, operating under Mexico's national water regulations.
Itzoteno San Miguel is a secondary wastewater treatment plant in Tepeyahualco, Puebla, Mexico, serving a population of 1,369. It treats 129.60 cubic meters of wastewater daily, discharging into the local watershed.
IUKA WWTP is a secondary treatment plant serving Iuka, Kansas. It treats wastewater for a small population of 185, with a designed capacity of 94.64 and discharge volume of 68.14.