26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Pickaway Correctional Institute wastewater treatment plant serves a population of 6,237 in Pickaway County, Ohio. The facility operates under U.S. EPA and Ohio EPA regulations for municipal wastewater.
Oregon WWTP and Sewer System serves approximately 29,410 people in Oregon, Ohio. The plant operates under the US Clean Water Act and NPDES permitting framework.
Oberlin WWTP and Sewer System serves Lorain County, Ohio, treating wastewater for approximately 8,195 people. The plant has a designed capacity of 1.00 million gallons per day and operates under U.S. EPA and Ohio EPA regulations.
Oak Harbor WWTP and Sewer System serves the village of Oak Harbor, Ohio, with a designed capacity of 1.00 million gallons per day. The plant treats wastewater for approximately 4,041 residents.
Norwalk WWTP and Sewer System serves 16,238 people in Norwalk, Ohio, United States. The plant is located within 50 km of Lake Erie and operates under US EPA NPDES regulations.
North Royalton WW District B serves 5,200 people in Parma, Ohio. The plant operates under the US Clean Water Act and NPDES permitting framework.
North Royalton WW District A serves approximately 28,250 residents in North Royalton, Ohio. The plant operates under the U.S. Clean Water Act, ensuring treated wastewater meets federal standards before discharge.
North Olmsted WWTP and Sewer System serves approximately 45,000 residents in Ohio, USA. The plant operates under the Clean Water Act's NPDES permitting framework for municipal wastewater treatment.
North Baltimore WWTP and Sewer System serves the village of North Baltimore, Ohio, treating wastewater for approximately 3,351 residents. The plant discharges into local waterways within the Maumee River basin, ultimately reaching Lake Erie.
Niles WWTP and Sewer System serves approximately 27,000 residents in Niles, Ohio, as part of the municipal wastewater infrastructure. The plant operates under the US Clean Water Act framework.
Newton Falls WWTP and Sewer System serves approximately 5,400 residents in Newton Falls, Ohio. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater.
New Philadelphia WWTP and Sewers serves approximately 17,288 residents in New Philadelphia, Ohio. The plant operates under the US Clean Water Act framework for municipal wastewater treatment.
Mahoning Co New Middletown WWTP serves about 2,500 people in Youngstown, Ohio. The plant discharges into local waterways within the Mahoning River watershed.
New Lebanon WWTP and Sewer System serves the village of New Lebanon, Ohio, treating wastewater for approximately 4,231 residents. The plant operates under U.S. EPA and Ohio EPA regulations for municipal wastewater treatment.
New Concord WWTP and Sewer System serves Morgan Manor, Ohio, treating wastewater from a population of approximately 2,901. The plant operates under the US Clean Water Act framework.
Newcomerstown WWTP and Sewers serves approximately 4,581 residents in Coshocton County, Ohio. The plant operates under the US Clean Water Act's NPDES permitting program for municipal wastewater treatment.
New Carlisle WWTP and Sewer System serves approximately 7,330 residents in New Carlisle, Ohio, as part of the municipal wastewater infrastructure. The plant operates under U.S. EPA and Ohio EPA regulations.
New Bremen WWTP and Sewer System serves approximately 2,900 residents in New Bremen, Ohio. The plant operates under US EPA NPDES regulations for municipal wastewater treatment.
Newark WWTP and Sewer System serves approximately 46,000 residents in Newark, Ohio, treating municipal wastewater before discharge. The plant operates under U.S. EPA and Ohio EPA regulations.
Nelsonville WWTP and Sewer System serves approximately 5,800 residents in Nelsonville, Ohio. The plant discharges treated wastewater into the Hocking River watershed, part of the Ohio River basin.