26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
PANORA WWTP serves approximately 1,100 residents in Panora, Iowa. The plant operates under U.S. Clean Water Act regulations, ensuring treated wastewater meets environmental standards before discharge.
OTTUMWA WWTP serves approximately 24,500 residents in Ottumwa, Iowa. The plant discharges treated wastewater into the Des Moines River, a tributary of the Mississippi River.
OSKALOOSA SW STP is a municipal wastewater treatment plant serving approximately 4,784 people in Oskaloosa, Iowa, United States. The facility discharges into local waterways within the Mississippi River basin.
OSKALOOSA NE WWTP serves approximately 5,848 people in Oskaloosa, Iowa. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge.
Osceola WWTP South serves approximately 4,900 residents in Osceola, Iowa, as part of the city's municipal wastewater infrastructure. The plant discharges treated effluent into local waterways within the Mississippi River basin.
OSAGE WWTP serves approximately 3,550 people in Mitchell County, Iowa. The plant discharges treated wastewater into local waterways under the US Clean Water Act framework.
Orange City WWTP serves approximately 6,000 residents in Orange City, Iowa. The plant operates under the U.S. Clean Water Act, ensuring treated wastewater meets federal standards before discharge.
Northwood WWTP serves approximately 1,989 people in Worth County, Iowa, United States. The plant discharges treated wastewater into local waterways under US EPA regulatory oversight.
North Liberty WWTP serves approximately 13,608 residents in North Liberty, Iowa. The plant operates under the US Clean Water Act's NPDES permit program, ensuring treated effluent meets federal water quality standards.
Nora Springs wastewater treatment plant serves the community of Nora Springs, Iowa, United States. It is an inland facility that treats municipal wastewater for a population of 1,411.
NEWTON WWTP serves approximately 15,751 people in Newton, Iowa. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.
New Hampton WWTP serves 3,660 residents in New Hampton, Iowa. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.
New Albin WWTP serves 534 residents in New Albin, Iowa, as part of the municipal wastewater infrastructure. The plant operates under US EPA and Iowa DNR regulations.
NEVADA WWTP serves the city of Nevada, Iowa, treating wastewater for approximately 6,900 residents. The plant discharges into local waterways within the Mississippi River basin.
Muscatine WWTP serves approximately 22,881 people in Muscatine, Iowa. The plant discharges treated wastewater into the Mississippi River, supporting downstream water quality in the Gulf of Mexico watershed.
Mount Vernon WWTP serves approximately 4,549 residents in Mount Vernon, Iowa. The plant operates under the U.S. Clean Water Act, ensuring treated effluent meets federal standards before discharge.
Mount Pleasant STP East serves Henry County, Iowa, treating wastewater for approximately 3,563 residents. The plant operates under U.S. EPA and Iowa DNR regulations for municipal wastewater treatment.
Mount Pleasant WWTP serves the city of Mount Pleasant, Iowa, treating wastewater for a population of approximately 9,688. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
Mount Ayr WWTP serves the community of Mount Ayr, Iowa, with a population of 1,721. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater facilities.
Morning Sun STL is a municipal wastewater treatment plant serving 872 people in Louisa County, Iowa, United States. It operates under the US Clean Water Act framework.