762 plants indexed.
MILO WWTP is an advanced treatment plant serving 775 residents in Milo, Iowa. It discharges 919.86 thousand cubic meters of treated wastewater annually, operating under US Clean Water Act regulations.
Millersburg WWTP is a secondary treatment facility serving 188 people in Brooklyn, Iowa. It discharges 37.85 million gallons per day and operates under the US Clean Water Act.
MIDDLETOWN WWTP is a secondary treatment plant serving 535 people in Middletown, Iowa. It discharges 151.42 million gallons per year into the local watershed.
Meservey STL is a secondary wastewater treatment plant serving 256 people in Meservey, Iowa. It discharges 94.64 cubic meters per day and operates under US EPA Clean Water Act regulations.
MERIDEN WWTP is a secondary treatment plant in Cherokee County, Iowa, serving 184 people with a designed capacity of 113.56 m³/day and an average discharge of 75.71 m³/day.
MENLO WWTP is a secondary treatment plant serving Menlo, Iowa, with a population of 356. It discharges 136.28 units of treated wastewater, operating under US EPA NPDES regulations.
MELROSE WWTP is a secondary treatment plant in Monroe County, Iowa, serving a small population of 150. It discharges 56.78 volume units and operates under US Clean Water Act regulations.
Melbourne WWTP is a secondary treatment facility serving 790 people in Melbourne, Iowa. It discharges treated wastewater into local waterways, operating under US EPA NPDES regulations.
Mediapolis STL is a secondary wastewater treatment plant in Mediapolis, Iowa, serving a population of 1,637. It discharges 757.08 cubic meters per day and operates under U.S. Clean Water Act regulations.
Mechanicsville WWTP is a secondary treatment facility serving approximately 1,173 residents in Mechanicsville, Iowa. It discharges treated wastewater into local waterways, supporting the region's water quality.
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.
UtilityRadar indexes 762 wastewater treatment plants in Iowa, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MARENGO STL has the highest designed capacity at 2,082 m3/day.