Photo of Litchfield Wastewater Treatment Plant
Photo of Litchfield Wastewater Treatment Plant
Photo of Litchfield Wastewater Treatment Plant
Client: 
City of Litchfield

Location: 
Litchfield, Minnesota

Features

  • Coupled trickling filter/activated sludge process
  • Large industrial loading
  • Design flow and load:
    • 2.3 mgd
    • 11,000 lb BOD/day
    • 8,400 lb TSS/day
  • Fine screens, grit removal, preaeration, flow equalization, primary clarification, trickling filter/activated sludge, final clarification, effluent filtration, chlorination/dechlorination
  • Dissolved air flotation sludge thickening
  • Anaerobic digester structural modifications, new draft tube, mixers, sludge, and gas piping replacements and new digester cover and boiler/ heat exchanger
  • Plant-wide SCADA system
  • 826 Kw engine-generator for standby power

SEH Services

  • Facility planning
  • Design services
  • Construction services