Owner: City of St. Charles, IL
Phosphorus Removal and Digester Improvements
- Sitework including grading, earthwork, paving, sidewalk, site piping, electrical, gas, and construction of a digested sludge storage tank bypass system.
- Biological process improvements include construction of a primary sludge fermenter, internal recycle pump station, process control buildings with chemical phosphorus removal system, and conversion of aeration basins to anoxic/anaerobic basins.
- Anaerobic digestion complex rehabilitation and construction of digested sludge storage tank and gas storage.
