Wastewater Department

Wastewater Treatment in Edgar

The Village of Edgar is committed to protecting our environment and public health through a modern and well-maintained Wastewater Treatment Facility. This facility is responsible for treating all the domestic wastewater from homes and businesses in Edgar, as well as some holding tank waste from the surrounding area.

Our system is designed to handle up to 0.5 million gallons of water per day, and in 2024 we averaged about 0.21 million gallons per day—which means we have plenty of capacity to meet the needs of our residents today and into the future.

How It Works

The treatment process is designed to remove solids, nutrients, and impurities from wastewater before it is safely returned to Scotch Creek in compliance with all Wisconsin DNR standards. Key steps include:

  • Screening and grit removal

  • Primary and secondary clarification (settling out solids)

  • Aeration basins that support beneficial bacteria in breaking down waste

  • Phosphorus removal to protect local waterways

  • Final clarification and discharge of clean, treated water

Sludge, a natural by-product of the process, is carefully managed through aerobic digestion, dewatering, and land application on approved farm fields.

Recent Upgrades

We continue to invest in our facility to keep it reliable and efficient. Recent improvements include:

  • A new influent flow meter for more precise monitoring

  • A new pump building and catch basin for hauled waste

  • Updated laboratory and office space

  • Upgraded piping, electrical systems, and a large generator for backup power

  • Refurbished clarifiers to improve water quality

Looking Ahead

Environmental regulations are always evolving. In the coming years, the Village will be expanding monitoring and testing to include ammonia, phosphorus, E. coli, and PFAS compounds, ensuring we stay compliant and proactive in protecting our natural resources.