Decorah has provided municipal wastewater treatment service since 1916 when a septic tank and slow-sand filter were constructed for treatment of Decorah's Waste Waters. Details of that system are available from a set of plans still preserved by the City. Read more about the Decorah Waste Water History.

Decorah Waste Water Treatment Plant Staff

  • Michael O'Hara, Superintendent
  • Andy Kruse, Maintenance Worker
  • Pete Numedahl, Laboratory Tech
  • Josh Ludeking, Maintenance Worker


Decorah Wastewater Treatment Plant
1766 Old Stage Road
Decorah, IA 52101
Phone: (563) 382-3410
Fax: (563) 382-8397