14,814 plants indexed.
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.
MACEDONIA WW STAB LAGOON is a secondary treatment plant serving 246 people in Macedonia, Iowa. It discharges treated wastewater into local waterways, operating under U.S. EPA NPDES regulations.
MCGREGOR WWTP is a secondary treatment plant serving McGregor, Iowa, with a designed capacity of 567.81 m³/day and an average discharge of 454.25 m³/day.
McCausland WWTP is a secondary treatment facility serving 308 people in McCausland, Iowa. It discharges 151.42 megaliters per year and operates under U.S. EPA Clean Water Act regulations.
McCallsburg STL is a secondary wastewater treatment plant in McCallsburg, Iowa, serving a population of 292. It discharges 113.56 megaliters annually and has a designed capacity of 151.42 megaliters.
LYTTON WWTP is a secondary treatment plant serving Lytton, Iowa, with a capacity of 643.52 m³/day. It discharges 227.13 m³/day of treated wastewater into local waterways.
LYNNVILLE STL is a secondary wastewater treatment plant in Lynnville, Iowa, serving a small population of 393. It discharges treated water into the local watershed, contributing to the regional water quality management.
Luxemburg WWTP is a secondary treatment facility serving 257 residents in Luxemburg, Iowa. It discharges 68.14 million gallons per year into local waterways.
UtilityRadar indexes 14814 wastewater treatment plants in United States, 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.