Water Quality


To report any stormwater concerns, such as illicit discharges, drainage concerns, connections or polluted runoff from a construction site please contact the City’s 24-Hour customer service hotline at (515) 283-4950. 


The City of Des Moines is a Medium Municipal Separate Storm Sewer System (MS4) regulated community under the State of Iowa Department of Natural Resources (IDNR) National Pollutant Discharge Elimination System (NPDES) permit. The city’s NPDES permit requires the city to create and coordinate programs that will improve water quality.  These programs include:

Public Education and Outreach                                      Public Involvement and Participation

Illicit Discharge Detection and Elimination                  Construction Site Storm Water Runoff Control

Post-Construction Storm Water Management          Pollution Prevention/Good Housekeeping

Monitoring Industrial and High Risk Runoff


Learn About How To Manage Stormwater on Your Property



Helpful Websites

Rainscaping Iowa

Iowa Stormwater Education Program

Polk Soil & Water Conservation District

Urban Environmental Partnership



Stormwater Stakeholder Group
The City of Des Moines is looking for volunteers to serve on a Stormwater Stakeholder Group.  This group, part of the City’s National Pollutant Discharge Elimination System (NPDES) permit will meet at least once a year to discuss surface water quality issues and help coordinate volunteer events and opportunities. 

For more information about what you can do to help improve surface water quality or for more information about the Stormwater Stakeholder Group, please contact Russ Paul at (515)323-8173 or email.