762 plants indexed. Showing 566 matching current filters.
Oxford Jct WWTP is a secondary treatment plant serving Oxford Mills, Iowa. It treats 227.13 thousand cubic meters per year with a designed capacity of 249.84 thousand cubic meters per year.
Oxford WWTP is a secondary treatment facility serving 668 residents in Oxford, Iowa. It discharges 189.27 megaliters of treated wastewater annually, with a designed capacity of 340.69 megaliters.
OTO LAGOON is a secondary wastewater treatment plant in Woodbury County, Iowa, serving approximately 110 people. It discharges 75.71 units of treated effluent daily.
OTHO STL is a secondary wastewater treatment plant serving Otho, Iowa, with a capacity of 227.12 m³/day. It treats municipal wastewater for a population of 529.
ORIENT LAGOON is a secondary wastewater treatment plant serving Orient, Iowa, USA. It treats wastewater for approximately 402 residents with a designed capacity of 162.77 units.
Orchard Lagoon is a secondary wastewater treatment plant in Orchard, Iowa, serving a small population of 93. It discharges 37.85 million gallons per year and operates under the US Clean Water Act.
ONSLOW WWTP is a secondary treatment plant in Jones County, Iowa, serving 216 people. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 113.56 units.
Onawa WWTP is a secondary treatment facility serving approximately 3,000 residents in Onawa, Iowa. It discharges treated wastewater into the local watershed, contributing to the Missouri River basin.
OLIN WWTP is a secondary treatment plant serving 663 people in Olin, Iowa, USA. It discharges treated wastewater into local waterways, with a designed capacity of 340.69 cubic meters per day.
Odebolt WWTP is a secondary treatment plant serving about 1,013 people in Odebolt, Iowa. It discharges 567.81 units of treated wastewater and has a designed capacity of 1,173.47 units.
OCHEYEDAN WWTP is a secondary treatment plant serving 539 people in Osceola County, Iowa. It discharges 151.42 megaliters annually and operates under US EPA NPDES regulations.
Oakville Lagoon is a secondary wastewater treatment plant in Louisa County, Iowa, serving a small population of 439. It discharges treated effluent into local waterways, supporting regional water quality.
OAKLAND WW STAB LAGOON is a secondary treatment plant serving Oakland, Iowa. It discharges treated wastewater into local waterways, supporting the region's water quality.
Norway WWTP is a secondary treatment plant in Benton County, Iowa, serving 583 people. It discharges treated wastewater into local waterways, supporting the region's water quality.
North English WWTP is a secondary treatment plant in Iowa County, Iowa, serving approximately 994 people. It discharges treated wastewater into local waterways, operating under U.S. EPA and state regulations.
NODAWAY WWTP is a secondary treatment plant serving 153 people in Nodaway, Iowa. It discharges 75.71 units of treated wastewater daily, operating under U.S. Clean Water Act regulations.
NICHOLS STL is a secondary wastewater treatment plant serving Nichols, Iowa, USA. It treats wastewater for approximately 366 residents with a discharge volume of 113.56 units and a designed capacity of 189.27 units.
NEW VIRGINIA WWTP is a secondary treatment plant in Warren County, Iowa, serving 433 people. It discharges 688.95 units of treated wastewater, with a designed capacity of 688.94 units.
New Vienna WWTP is a secondary treatment facility serving 400 people in New Vienna, Iowa. It discharges 45.43 megaliters of treated wastewater annually, with a designed capacity of 317.97 megaliters.
New Providence Septics is a secondary wastewater treatment plant serving 227 people in New Providence, Iowa. It discharges treated effluent into local waterways under US EPA and Iowa DNR regulations.
UtilityRadar indexes 762 wastewater treatment plants in Iowa, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ONAWA WWTP has the highest designed capacity at 8,964 m3/day.