Stage 1 fire restrictions, enacted for unincorporated areas of western Boulder County.

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Informational Meeting on Upcoming Changes to Boulder County Floodplain Maps (Virtual)


Boulder County is hosting a virtual informational meeting where the public can learn about the upcoming changes to floodplain maps, ask questions, and submit comments. The proposed changes only apply to unincorporated Boulder County, not in cities or towns in Boulder County.

What: Informational Meeting on Upcoming Changes to Boulder County Floodplain Maps
When: Wednesday, Dec. 13 from 6-7 p.m.
Where: Virtual meeting via Zoom. Register to attend.

Registration is required, but participants can register at any time, including after the meeting has started. Participants may also call-in to the meeting by dialing 1-833-568-8864 and entering the meeting ID 161 469 5580. The meeting will be recorded and posted online.


Following the 2013 Flood, the state-funded Colorado Hazard Mapping Program (CHAMP) has been re-mapping the regulatory floodplain of the most affected waterways in Colorado.

In July 2023, the Federal Emergency Management Agency (FEMA) released revised Preliminary Flood Insurance Rate Maps (FIRMs) based on the CHAMP data and subsequent appeals. FEMA is now in the final stages of incorporating the CHAMP study into the effective FIRMs. We expect FEMA to update the effective FIRMs in the summer of 2024. FEMA uses Flood Insurance Rate Maps (FIRMs) to determine who is subject to the flood insurance mandatory purchase requirement.

At the same time, the county is planning to update and align the Boulder County Floodplain with the revised Preliminary FIRMs. Visit to view the effective and proposed FEMA and Boulder County floodplains.

Event Details

Start dateDecember 13, 2023 6:00 pmEnd dateDecember 13, 2023 7:00 pmCalendarCommunity Planning & Permitting, Home PageGoogle Calendar

Organizer Details

OrganizerCommunity Planning & PermittingPhone303-441-3930Emailplanner@bouldercounty.govWebsiteCommunity Planning & Permitting Department


VenueVirtual via Zoom