26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Willoughby Eastlake WWTP and Sewers serves approximately 42,099 people in Eastlake, Ohio, discharging treated wastewater into Lake Erie. The plant operates under the U.S. Clean Water Act with NPDES permits.
Willard WWTP and Sewer System serves approximately 6,800 people in Huron County, Ohio. The plant operates under U.S. EPA NPDES permitting and discharges treated wastewater to local waterways.
West Union WWTP and Sewer System serves the village of West Union, Ohio, treating wastewater for approximately 3,792 residents. The plant discharges into local waterways within the Ohio River basin.
West Milton WWTP and Sewer System serves approximately 4,645 residents in West Milton, Ohio. The plant operates under the U.S. Clean Water Act, with oversight from the Ohio Environmental Protection Agency.
West Jefferson WWTP and Sewer System serves approximately 4,331 residents in West Jefferson, Ohio. The plant operates under the U.S. Clean Water Act, ensuring treated wastewater meets environmental standards before discharge.
Westfield Center WWTP and Sewers serves approximately 1,054 residents in Westfield Center, Ohio. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater.
West Carrollton WWTP and Sewer System serves approximately 13,818 residents in West Carrollton, Ohio, United States. The plant operates under the US Clean Water Act framework for municipal wastewater treatment.
Wellston North WWTP and Sewer System serves Wellston, Ohio, treating municipal wastewater for approximately 5,663 residents. The plant discharges into local waterways within the Ohio River basin.
Wellington WWTP and Sewer System serves approximately 4,500 residents in Wellington, Ohio. The plant operates under the US Clean Water Act framework, discharging treated wastewater into local waterways.
Waynesville WWTP and Sewer System serves the village of Waynesville, Ohio, treating wastewater for approximately 6,800 residents. The plant operates under the U.S. Clean Water Act, with discharge regulated by the Ohio EPA.
Waverly WWTP and Sewer System serves approximately 6,200 residents in Waverly, Ohio. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.
Wauseon WWTP and Sewer System serves approximately 7,091 residents in Wauseon, Ohio. The plant is part of the municipal wastewater infrastructure in Fulton County.
Washington CH WWTP and Sewers serves Washington Court House, Ohio, treating wastewater for approximately 14,660 residents. The plant discharges into local waterways within the Paint Creek watershed.
Warren WWTP and Sewer System serves Weathersfield Township, Ohio, treating wastewater for approximately 62,887 people. The plant operates under the US Clean Water Act's NPDES permit program.
Warren Co Lower Little Miami WWTP serves 110,000 people in Warren County, Ohio. The plant discharges into the Little Miami River, a tributary of the Ohio River, and operates under U. S. Clean Water Act regulations.
Wapakoneta WWTP and Sewer System serves approximately 10,371 residents in Wapakoneta, Ohio. The plant operates under the U.S. Clean Water Act, which governs wastewater treatment and discharge standards.
Wadsworth WWTP and Sewer System serves approximately 20,817 residents in Wadsworth, Ohio. The plant operates under the US Clean Water Act, managing wastewater for this inland community.
Van Wert WWTP and Sewer System serves approximately 10,690 people in Van Wert County, Ohio. The plant discharges treated wastewater into local waterways under U.S. EPA NPDES regulations.
Urbana WWTP and Sewer System serves approximately 12,000 residents in Urbana, Ohio. The plant operates under the US Clean Water Act, managing municipal wastewater for this inland community.
Upper Sandusky WWTP and Sewer System serves approximately 6,800 residents in Upper Sandusky, Ohio. The plant discharges treated wastewater into local waterways, supporting the Sandusky River watershed.