Water Treatment System Registration

The Water Treatment System Registration Program is responsible for:

  • Confirming that water treatment systems sold in Iowa with claims to reduce health-related contaminants have appropriate third-party verification of the claims.  
  • Reviewing third-party testing agencies to ensure proper qualifications and capabilities.
  • Maintaining a registry of water treatment systems that comply with Iowa law.
  • Technical assistance to consumers and preliminary investigation of complaints regarding sale of unregistered water treatment systems or that are making unsubstantiated claims.

Water Treatment System Registration Rules: 641 Iowa Administrative Code Chapter 14 PDF


List of Registered Water Treatment Devices

  • See Registered Device list on the left hand side of the page 

Information relating specifically to Arsenic treatment: WTS - Arsenic 092015 PDF

Water Treatment Systems - A Consumer Information Pamphlet

For more information, contact:

  • Chelsea Stevens (515) 724-3017