817 plants indexed. Showing 322 matching current filters.
Mahoning Co New Middletown WWTP serves about 2,500 people in Youngstown, Ohio. The plant discharges into local waterways within the Mahoning River watershed.
Mansfield WWTP and Sewer System serves approximately 56,903 residents in Mansfield, Ohio. The plant discharges treated wastewater into the local watershed, ultimately draining to the Ohio River basin.
Mantua WWTP and Collection System serves approximately 1,046 residents in Mantua, Ohio. The plant operates under the U.S. Clean Water Act with a designed capacity of 1.00 million gallons per day.
Marietta WWTP and Sewer System serves approximately 19,452 residents in Marietta, Ohio. The plant discharges treated wastewater into the Ohio River watershed, supporting local water quality.
Marion Co Grandview Estates SD 2A is a wastewater treatment plant in Marion County, Ohio, serving approximately 1,200 people. It operates under the US Clean Water Act framework.
Marion Co Sewer District 7 Water Reclamation Plant serves about 4,000 people in Marion County, Ohio. It operates under the US Clean Water Act, discharging treated wastewater into local waterways.
Marion WWTP and Sewer System serves Marion County, Ohio, treating wastewater for approximately 35,660 residents. The plant operates under the US Clean Water Act's NPDES permit program.
Marysville WRF and Sewer System serves approximately 19,000 residents in Marysville, Ohio. The plant treats municipal wastewater and discharges into local waterways within the Scioto River watershed.
Mason WWTP and Sewer System serves 22,016 residents in Mason, Ohio, treating municipal wastewater under U.S. Clean Water Act regulations.
McArthur WWTP and Sewer System serves 1,888 residents in McArthur, Ohio. The plant operates under the US Clean Water Act framework for small municipal wastewater treatment.
McConnelsville WWTP and Sewer System serves the village of McConnelsville, Ohio, treating wastewater for a population of approximately 2,372. The plant discharges into the Muskingum River, a tributary of the Ohio River.
Mercer Co Montezuma_Club Island SD is a wastewater treatment plant in Mercer County, Ohio, serving approximately 2,962 people. It operates under the US Clean Water Act framework.
Miamisburg WWTP and Sewer System serves approximately 20,000 residents in Miamisburg, Ohio. The plant treats municipal wastewater and discharges into the Great Miami River watershed.
Middlefield WWTP and Sewer System serves Middlefield Village, Ohio, treating wastewater for a population of 2,694. The plant has a designed capacity of 1.00 million gallons per day.
Middleport WWTP and Collection System serves approximately 2,500 residents in Middleport, Ohio. The plant operates under the U.S. Clean Water Act, which governs wastewater treatment and discharge standards for small communities.
Middletown WWTP and Sewer System serves approximately 60,000 people in Excello, Ohio. The plant operates under the U.S. Clean Water Act framework, discharging treated wastewater into local waterways.
Milan WWTP and Sewer System serves approximately 1,500 residents in Erie County, Ohio. The plant operates under U.S. Clean Water Act regulations with a designed capacity of 1.00 million gallons per day.
Milford WWTP and Sewer System serves approximately 6,284 residents in Milford, Ohio, United States. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge.
Millersburg WWTP and Sewer System serves about 6,659 people in Millersburg, Ohio. The plant operates under U.S. Clean Water Act regulations for municipal wastewater treatment.
Millersport WWTP and Sewer System serves approximately 1,010 residents in Millersport, Ohio. The plant is part of the municipal wastewater infrastructure in Fairfield County.