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Des Moines Metropolitan
Wastewater Reclamation Authority
3000 Vandalia Road
Des Moines, IA 50317
WRF Digester Improvements
CDM Smith
Foley Company
Project Completed
Construction Start Date:
Construction Completion Date:
Design Cost:
Construction Cost:
Project Description:

The work includes infrastructure improvements to the existing WRF Digestion Complex. Similar improvements for five existing anaerobic digesters include submerged fixed concrete covers, foundation supports, mechanical draft tube mixers, sludge overflow systems, and all new digester gas piping. Improvements for a sixth existing anaerobic digester include dual membrane digester cover, pump mixing system, sludge overflow system, and new digester gas piping. Modifications to the gas handling building include two new digester gas blowers, digester gas piping, digester gas heat exchanger, and chiller.

Project Update:

Construction is complete.

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  • March 2012 Aerial
    March 2012 Aerial
  • March 2012 Aerial (2)
    March 2012 Aerial (2)