About the Wastewater Treatment Plant
The City of Fairmont Wastewater Treatment Plant (WWTP) began operation in 1983 with a design flow of 6 million gallons per day (MGD). In 1993, the National Pollutant Discharge Elimination System (NPDES) Permit adapted to allow 9 MGD. The WWTP secondary treatment facility consists of 19 lift stations, bar screens, 3 rectangular primary clarifiers, 24 mechanically-driven rotating biological contractors with supplemental aeration, 4 secondary clarifiers, a chlorine disinfection system, and a de-chlorination facility. The solids are concentrated into 2 gravity thickeners before transferring to a 2 -stage anaerobic digestion system that produces Class B biosolids. Biosolids are de-watered with 1.5-meter belt-filter presses and applied to local farmland in accordance with state and federal regulations. In addition, the City of Fairmont WWTP hosts 6 other towns or public service districts including the Town of Barrackville, Greater Paw-Paw PSD, Kingmill Valley PSD, Whitehall PSD, the Town of Monongah, and Dakota / Meredith Springs area.

Citizen and student group tours are frequently conducted through the Fairmont facility.

The Fairmont Wastewater Treatment Plant continues to ensure that the biological purification process enhances the statewide clean water goals. The facility excels with numerous awards and continued commitment to protect the environment.