18,348 plants indexed worldwide.
Biological process removes dissolved organic matter after primary treatment.
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.
Iredell WWTP is a secondary treatment plant serving 410 people in Iredell, Texas. It discharges treated wastewater into local waterways, supporting the Brazos River basin.
Ireton WWTP is a secondary treatment facility serving 597 residents in Ireton, Iowa. The plant has a designed capacity of 492.10 m³/day and discharges 189.27 m³/day of treated wastewater.
Irishtown Summerside Road is a secondary wastewater treatment plant in Irishtown-Summerside, Newfoundland and Labrador, Canada.
Irishtown Summerside Shed is a secondary treatment plant serving 668 people in Irishtown-Summerside, Newfoundland and Labrador, Canada.
Iron Junction STP is a secondary treatment plant serving 85 residents in Iron Junction, Minnesota. It discharges 37.85 megaliters of treated wastewater annually into the local watershed.
Iron Mountain Lake WWTP is a secondary treatment plant serving 737 residents in Iron Mountain Lake, Missouri. It discharges treated wastewater into local waterways, operating under US EPA and Missouri state regulations.
Iron Ridge WWTP is a secondary treatment plant serving 1,130 people in Iron Ridge, Wisconsin, USA. It discharges 378.54 m³/day of treated wastewater into local waterways.
Irondale WWTP is a secondary treatment plant serving 445 people in Irondale, Missouri. It discharges 151.42 megaliters of treated wastewater annually, with a designed capacity of 227.12 megaliters.
Irondale WWTP is a secondary treatment plant serving about 500 people in Birmingham, Alabama. It discharges 151.42 thousand cubic meters of treated wastewater annually.
Irrel wastewater treatment plant in Rheinland-Pfalz, Germany, serves about 3,000 people with secondary treatment. It discharges 574 m³/day and has a designed capacity of 4,000 m³/day.