26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Orrville WWTP and Sewer System serves 8,551 residents in Orrville, Ohio. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to local waterways.
Smithville WWTP and Sewer System serves the village of Smithville, Ohio, treating wastewater for approximately 1,232 residents. The plant discharges into local waterways within the Lake Erie watershed.
Rittman WWTP and Sewer System serves approximately 6,300 residents in Rittman, Ohio. The plant discharges treated wastewater into local waterways within the Lake Erie watershed.
Amherst WWTP and Sewer System serves about 11,800 residents in Amherst, Ohio. The plant discharges treated wastewater into the Lake Erie watershed, supporting local water quality and downstream ecosystems.
Columbiana WWTP and Sewer System serves Lisbon, Ohio, treating wastewater for approximately 7,800 residents. The plant discharges into local waterways within the Ohio River basin.
Wellsville WWTP and Sewer System serves approximately 4,420 residents in Wellsville, Ohio. The plant operates under the US Clean Water Act framework, discharging treated wastewater into the Ohio River watershed.
Columbiana Co Gilford Lake WWTP serves New Garden, Ohio, treating wastewater for approximately 4,068 residents. The plant operates under U.S. EPA and Ohio EPA regulations for inland discharge.
Columbiana Co Elkton Regional WWTP serves Lisbon, Ohio, treating wastewater for approximately 8,100 residents. The plant operates under the US Clean Water Act framework, with NPDES permitting through the Ohio EPA.
East Palestine WWTP and Sewer System serves approximately 4,900 residents in East Palestine, Ohio. The plant discharges into local waterways within the Ohio River basin.
Mahoning Co Meander Creek WWTP serves Niles, Ohio, treating wastewater for approximately 18,500 residents. The plant discharges into the local watershed, ultimately draining to the Ohio River basin.
Fairfield Co Sycamore Creek WRF serves approximately 3,000 people in Huntington Hills, Ohio. The plant operates under the US Clean Water Act framework for small municipal wastewater systems.
Ottawa Co Portage_Catawba WWTP serves approximately 44,374 people in Ottawa County, Ohio. The plant discharges into the Lake Erie basin, a vital freshwater resource.
Richwood WWTP and Sewer System serves the village of Richwood, Ohio, treating wastewater for approximately 2,156 residents. The plant operates under the U.S. Clean Water Act via Ohio EPA NPDES permits.
Alliance WWTP and Sewers serves Lexington, Ohio, treating wastewater for approximately 26,253 residents. The plant operates under U.S. EPA and Ohio EPA regulations, discharging into the Mahoning River watershed.
Allen Co American 2 WWTP serves Elida, Ohio, treating wastewater for approximately 2,800 residents. The plant discharges into the local watershed, ultimately draining to the Ohio River basin.
Allen Co Shawnee 2 WWTP serves 7,455 people in Allen County, Ohio. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater.
Allen Co American Bath WWTP serves Elida, Ohio, treating wastewater for approximately 5,999 residents. The plant operates under the US Clean Water Act, with discharge regulated by EPA NPDES permits.
Shelby Co Lake Loramie WWTP serves 4,319 people in Shelby County, Ohio. The plant discharges treated wastewater into local waterways, supporting the region's water quality.
Utica WWTP and Sewer System serves the community of Utica, Ohio, treating wastewater from approximately 2,130 residents. The plant operates under U.S. Clean Water Act regulations, ensuring compliance with National Pollutant Discharge Elimination Syst
Delaware Co Lower Scioto WRF serves 14,000 people in Delaware County, Ohio. The plant discharges treated wastewater into the Scioto River watershed, ultimately draining to the Ohio River.