18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
INMAN WWTP is a secondary treatment plant in McPherson County, Kansas, serving approximately 1,194 people. It discharges 450.46 thousand cubic meters of treated wastewater annually.
INMAN WWTP is a secondary treatment plant in Holt County, Nebraska, serving 150 people. It discharges 75.71 cubic meters of treated wastewater daily.
Innamincka wastewater treatment plant in South Australia serves a small population of 27 with secondary treatment, discharging 7.11 ML/year into the local environment.
Innernzell wastewater treatment plant in Gmünd, Bavaria, Germany, serves 2,506 people with secondary treatment. It discharges 634.21 m³/day and has a designed capacity of 3,600 m³/day.
Innerthal wastewater treatment plant serves the small Swiss municipality of Innerthal in the canton of Schwyz. It provides secondary treatment for a population of 100, discharging 45.39 cubic meters of treated effluent daily.
INOLA WWT is a secondary treatment plant serving Inola, Oklahoma. It processes approximately 530 acre-feet of wastewater annually with a design capacity of 870 acre-feet.
INSCH WWTP is a secondary treatment plant serving Insch, Aberdeenshire, Scotland. It treats wastewater for approximately 2,715 people and discharges 604.45 m³/day, operating under UK regulations.
INSKO wastewater treatment plant serves Ińsko, Poland, with secondary treatment for a population of 1,485. It discharges 211.74 m³/day of treated wastewater, with a designed capacity of 8,624 m³/day.
Insurgentes wastewater treatment plant serves Cortazar, Guanajuato, Mexico, treating municipal wastewater with secondary treatment for a population of 6,389.
Interior Township STP is a secondary treatment plant serving 326 people in Michigan, USA. It discharges 264.98 thousand cubic meters per year into local waters.
Interlaken V STP is a secondary treatment plant serving 872 people in the Town of Covert, New York. It discharges treated wastewater into the local watershed, supporting water quality in the Finger Lakes region.
INVERNESS POTW is a secondary wastewater treatment plant serving Inverness, Mississippi. It treats municipal wastewater for a population of 1,247 with a design capacity of 567.81 m³/day.
Inverness Wastewater Treatment Facility is a secondary treatment plant serving 1,600 people in Inverness, Nova Scotia, Canada. It discharges 900 cubic meters of treated wastewater daily near the Cabot Links Golf Resort.
INWOOD STL is a secondary wastewater treatment plant serving Inwood, Iowa. It has a designed capacity of 299.05 volume units and serves a population of 855.
IOLA WWTP is a secondary treatment plant serving the Town of Iola, Wisconsin. It treats wastewater for a population of 1,432 and discharges 503.46 million gallons per year.
IONE LAGOON is a secondary wastewater treatment plant in Pend Oreille County, Washington, serving 215 people. It discharges treated effluent into the local watershed, supporting downstream water quality.
IONIA WWTP is a secondary treatment plant serving 325 people in Ionia, Iowa. It discharges 75.71 units of treated wastewater daily and operates under U.S. Clean Water Act regulations.
IONIA WWTP is a secondary treatment plant serving Ionia, Missouri. It treats wastewater for a small population of 92, with a discharge volume of 34.07 and designed capacity of 75.71.
Iota Ox Pond is a secondary wastewater treatment plant serving approximately 1,500 residents in Iota, Louisiana. It discharges treated effluent into local waterways under the US Clean Water Act framework.
Ipplepen and Torbryan STW is a secondary treatment plant in Teignbridge, England, serving 2,610 people. It discharges 581.08 m³/day of treated wastewater, with a designed capacity of 2,760 m³/day.