Secondary treatment level wastewater plants

18,358 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,358 plants

Savannah WWTP and Sewer System

Ashland County, Ohio, United States

Savannah WWTP and Sewer System serves 372 people in Ashland County, Ohio, with secondary treatment. The plant discharges 132.49 megaliters annually and has a designed capacity of 189.27 megaliters.

Secondary 372

Republic WWTP and Sewers

Seneca County, Ohio, United States

Republic WWTP and Sewers in Seneca County, Ohio, serves 650 people with secondary treatment. The plant discharges 227.13 million gallons per year and has a designed capacity of 283.91 million gallons.

Secondary 650

Bloomville WWTP and Sewers

Bloomville, Ohio, United States

Bloomville WWTP and Sewers is a secondary treatment plant serving approximately 1,045 residents in Bloomville, Ohio. It discharges 363.40 megaliters per year into local waterways within the Lake Erie basin.

Secondary 1,045

Mount Victory WWTP and Sewer System

Hardin County, Ohio, United States

Mount Victory WWTP and Sewer System serves 955 people in Hardin County, Ohio, with secondary treatment. The plant discharges treated wastewater into local waterways within the Scioto River basin.

Secondary 955

Edison WWTP and Sewer System

Delaware County, Ohio, United States

Edison WWTP and Sewer System serves 437 people in Delaware County, Ohio, with secondary treatment. The plant discharges treated wastewater into local waterways, supporting the Olentangy River watershed.

Secondary 437

Stryker WWTP and Sewer System

Pulaski, Ohio, United States

Stryker WWTP and Sewer System is a secondary treatment plant serving Pulaski, Ohio. It treats wastewater for approximately 1,595 people with a designed capacity of 1,324.89 volume units.

Secondary 1,595

Pioneer WWTP and Sewer System

Pioneer, Ohio, United States

Pioneer WWTP and Sewer System serves 1,460 people in Pioneer, Ohio, with secondary treatment. It discharges 416.40 units of treated wastewater daily, operating at 68.7% of its 605.66-unit design capacity.

Secondary 1,460

New Washington WWTP and Sewers

Crawford County, Ohio, United States

New Washington WWTP and Sewers serves Crawford County, Ohio, providing secondary treatment for a small population of 987. The plant discharges 378.54 cubic meters per day and has a designed capacity of 567.81 cubic meters per day.

Secondary 987

Uniopolis WWTP and Sewer System

Uniopolis, Ohio, United States

Uniopolis WWTP and Sewer System is a secondary treatment plant serving 350 people in Uniopolis, Ohio. It discharges 102.21 million gallons per year into local waterways.

Secondary 350

New Vienna WWTP and Sewer System

New Vienna, Ohio, United States

New Vienna WWTP and Sewer System is a secondary treatment plant serving 1,100 people in New Vienna, Ohio. It discharges 302.83 m³/day of treated wastewater.

Secondary 1,100

Osgood WWTP and Sewers

New Weston, Ohio, United States

Osgood WWTP and Sewers in New Weston, Ohio, provides secondary treatment for a small community of 652 people, discharging treated wastewater into local waterways.

Secondary 652

Russia WWTP and Sewer System

Russia, Ohio, United States

Russia WWTP and Sewer System serves 551 residents in Russia, Ohio, with secondary treatment. The plant discharges treated wastewater into local waterways, supporting the region's water quality.

Secondary 551

Ansonia WWTP and Sewers

Ansonia, Ohio, United States

Ansonia WWTP and Sewers is a secondary treatment facility serving 1,369 residents in Ansonia, Ohio. The plant discharges 605.67 million gallons annually and operates under US EPA NPDES regulations.

Secondary 1,369

Mount Eaton WWTP and Sewer System

West Lebanon, Ohio, United States

Mount Eaton WWTP and Sewer System is a secondary treatment plant serving 275 people in West Lebanon, Ohio. It discharges 113.56 megaliters annually and has a designed capacity of 170.34 megaliters.

Secondary 275

Amanda WWTP and Sewer System

Amanda, Ohio, United States

Amanda WWTP and Sewer System is a secondary treatment plant serving 707 residents in Amanda, Ohio. The facility discharges 264.98 thousand cubic meters annually and has a designed capacity of 378.54 thousand cubic meters.

Secondary 707

Newport WSD WWTP and Sewer System

Newport, Ohio, United States

Newport WSD WWTP and Sewer System is a secondary treatment plant serving Newport, Ohio, USA. It treats wastewater for a population of 975 with a designed capacity of 340.69 volume units.

Secondary 975

Gallia Co Bidwell Porter WWTP

Bidwell, Ohio, United States

Gallia Co Bidwell Porter WWTP is a secondary treatment plant serving 1,072 people in Bidwell, Ohio. It discharges 378.54 m³/day of treated wastewater into local waterways under US EPA NPDES regulations.

Secondary 1,072

Gallia Co Tara Subdivision

Mount Zion Subdivision, Ohio, United States

Gallia Co Tara Subdivision is a secondary wastewater treatment plant serving 250 people in Mount Zion Subdivision, Ohio. It discharges 75.71 cubic meters per day and has a designed capacity of 189.27 cubic meters per day.

Secondary 250

Tuscarawas WWTP and Sewer System

Tuscarawas, Ohio, United States

Tuscarawas WWTP and Sewer System serves approximately 2,001 people in Tuscarawas, Ohio, with secondary treatment. The plant discharges 518.60 units of treated wastewater daily, operating within a designed capacity of 567.81 units.

Secondary 2,001

Nashville WWTP and Sewers

Holmes County, Ohio, United States

Nashville WWTP and Sewers is a secondary treatment plant in Holmes County, Ohio, serving a small population of 40. It discharges 18.93 units of treated wastewater into local waterways.

Secondary 40
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