The City of Boulder welcomes your feedback. Use our Inquire Boulder customer service tool to tell us what’s on your mind.

  • Assistance
  • Rebuild and Restore
  • Recovery and Resilience
  • Creek Projects
  • Maps of Floodplains
  • Floodplain Development
  • Prepare for Floods
  • Protect Your Property
  • Respond to Floods

2013 Flood Maps

Detailed maps of the September 2013 flooding and associated impacts to people, private property and public infrastructure in the City of Boulder.

This mapping is not used for regulatory purposes and does not change the FEMA floodplains. This information was captured to document the event and provide insight into areas requiring future analysis and mitigation.