762 plants indexed.
The Maxwell WWTP in Maxwell, Iowa, serves a small community of 921 people with secondary treatment. It discharges treated wastewater into local waterways, supporting the region's environmental health.
MAURICE WWTP is a secondary treatment facility serving 275 people in Maurice, Iowa. It discharges 113.56 megaliters of treated wastewater annually, operating under U.S. EPA NPDES regulations.
Massena WWTP is a secondary treatment plant serving 414 people in Massena, Iowa. It discharges 151.42 units of treated wastewater daily, with a designed capacity of 794.93 units.
MARTINSBURG RUSS is a secondary wastewater treatment plant in Keokuk County, Iowa, serving 157 people. It discharges 22.71 million gallons per year and operates under U.S. EPA NPDES regulations.
Martensdale WWTP is a secondary treatment plant serving 467 people in Martensdale, Iowa. It discharges 227.13 units of treated wastewater and has a designed capacity of 302.83 units.
MARTELLE WASTE STAB PONDS is a secondary treatment plant in Linn County, Iowa, serving 280 people. It discharges 113.56 megaliters per year and has a designed capacity of 302.83 megaliters.
MARQUETTE WWTP is a secondary treatment plant serving approximately 1,000 people in Marquette, Iowa. It discharges 227.13 thousand cubic meters per year and has a designed capacity of 590.52 thousand cubic meters per year.
MARENGO STL is a secondary wastewater treatment plant in Washington Township, Iowa County, Iowa, serving approximately 2,535 people. It discharges treated effluent inland, away from coastal waters.
Marcus WWTP is a secondary treatment plant serving 1,139 people in Marcus, Iowa. It discharges 416.40 units of treated wastewater daily, with a designed capacity of 984.20 units.
MARBLE ROCK WWTP is a secondary treatment plant in Floyd County, Iowa, serving 361 people. It discharges 189.27 megaliters of treated wastewater annually, operating under U.S. Clean Water Act regulations.
Marathon WWTP is a secondary treatment plant in Buena Vista County, Iowa, serving 237 people. It discharges 113.56 megaliters of treated wastewater annually, with a designed capacity of 151.42 megaliters.
MAPLETON WWTP is an advanced treatment facility serving Mapleton, Iowa. It treats wastewater for approximately 1,294 residents with a design capacity of 700.30 volume units.
Manning WWTP is a secondary treatment plant serving 1,484 people in Manning, Iowa. It discharges treated wastewater into local waterways, operating under US EPA NPDES regulations.
MANLY WWTP is a secondary treatment plant in Worth County, Iowa, serving a population of 1,349. It discharges 492.10 million gallons per year and has a designed capacity of 757.08 million gallons per year.
Manilla WWTP is a secondary treatment plant serving approximately 898 people in Manilla, Iowa. It discharges treated wastewater into local waterways, supporting the Nishnabotny River watershed.
MALVERN STL is a secondary wastewater treatment plant in Mills County, Iowa, serving a population of 1,142. It discharges treated effluent into local waterways, supporting the Missouri River basin.
Mallard Lagoon is a secondary wastewater treatment plant serving 634 residents in Mallard, Iowa. It discharges 151.42 megaliters annually and operates under U.S. EPA NPDES permitting.
Malcom STL is a secondary wastewater treatment plant serving 287 people in Malcom, Iowa. The facility discharges 416.40 units of treated effluent and has a designed capacity of 302.83 units.
Macksburg WWTP is a secondary treatment plant serving 113 people in Pitzer, Iowa. It discharges 37.85 thousand cubic meters per year into local waterways.
Macbride Sanitary Sewer District serves 2,837 people in Johnson County, Iowa, with secondary treatment. The plant discharges 946.35 thousand gallons per day, with a designed capacity of 2,574.07 thousand gallons per day.
UtilityRadar indexes 762 wastewater treatment plants in Iowa, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MACBRIDE SANITARY SEWER DISTRICT has the highest designed capacity at 2,574 m3/day.