If you have questions about property valuation and property tax, visit boco.org/2023Valuation.

Floodplain Remapping – How to Stay Informed

Floodplain Mapping - How to Stay Informed

Boulder County is committed to keeping the public informed about the CHAMP floodplain remapping program in an accurate and timely fashion.

Email Listserv

Signup to receive texts and/or emails regarding timely information about this program.


Newsletters were produced and disseminated throughout the duration of the program to provide property owners and other interested parties with regular updates. The newsletters contained information on regulatory floodplains, the National Flood Insurance Program, Code Amendments, and other relevant topics.

Public Meetings

The Floodplain Remapping project hosted public meetings in January 2020 to discuss the FEMA appeals process and flood insurance requirements related to the Preliminary FIRMs. Representatives from FEMA, the CHAMP team, and Boulder County were present at each meeting. The specific stream reaches listed for each date was the primary focus for the meeting, although anyone was welcome was to attend any of the meetings.

Previous Meetings:

  • Jan. 14, 2020 – Lower Boulder Creek, New Dry Creek, Coal Creek, and Rock Creek
  • Jan. 16, 2020 – Saint Vrain Creek, Lower Left Hand Creek, Dry Creek #2, and Little Thompson River
    • Boulder County Parks and Open Space – Ron Stewart Building – 5201 Saint Vrain Drive, Longmont
    • Meeting Presentation
  • Jan. 21, 2020 – North, Middle, and South Saint Vrain creek and Cabin Creek
  • Jan. 23, 2020 – North and South Saint Vrain creeks and Saint Vrain Creek
    • Lyons Regional Library – 451 Fourth Ave., Lyons
    • This is a joint meeting between Boulder County and the Town of Lyons
    • Meeting presentation
  • Jan. 28, 2020 – Little James Creek, James Creek, Upper Left Hand Creek, and Geer Canyon
    • Jamestown Town Hall, 118 Main St., Jamestown
    • This is a joint meeting between Boulder County and the Town of Jamestown
    • Meeting presentation
  • Jan. 30, 2020 – Fourmile Canyon Creek, Two Mile Canyon Creek, Gold Run, Fourmile Creek, Boulder Creek, and North, Middle, and South Boulder Creek
    • Boulder Public Library Main Branch – Boulder Creek Room – 1001 Arapahoe Ave., Boulder
    • Meeting presentation
  • Dec. 12, 2019 – Board of County Commissioners Public Hearing
  • Nov. 20, 2019 – Planning Commission Public Hearing

Visit the Floodplain Remapping Project Meeting Archives for more information on meetings that have been held as part of this work.

Contact Us

Community Planning & Permitting - Floodplain Administration



2045 13th Street
Boulder, CO 80302

Map & Directions

Hours are Monday, Wednesday, and Thursday from 8 a.m. to 3 p.m., and on Tuesday from 10 a.m. to 3 p.m.

Mailing Address

Community Planning & Permitting
Floodplain Administration
P.O. Box 471
Boulder, CO 80306