News Archive

August 1, 2018

Media Contacts:

Kelly Watson, Boulder County Transportation, Floodplain Specialist, 720-564-2652

Andrew Barth, Boulder County Transportation, Communications, 303-441-1032

Updates to the Boulder County Regulatory Floodplain

The Boulder County Official Floodplain Map is available online

Boulder County, Colo. - Boulder County Transportation received approval from the Board of County Commissioners for Docket Z-17-0002: Zoning Map Amendments to the Floodplain Overlay District Based on CHAMP Phase II Floodplain Mapping and other best available information after a public hearing on July 24, 2018. The resulting floodplain map amendments include the following changes to the Boulder County Official Floodplain Map:

Stream Reaches with Updates Effective Aug. 1, 2018

  • Fourmile Creek
  • Geer Canyon
  • Gold Run
  • Left Hand Creek
  • Little Thompson River
  • Lower Fourmile Canyon Creek (below Anne U. White trailhead)
  • James Creek
  • North St. Vrain Creek (at Longmont Dam Road)
  • St. Vrain Creek Floodway

Stream Reach with Updates Effective Oct. 1, 2018

  • Lower Boulder Creek Floodway (Kenosha Rd./115th St. to East County Line Rd.)

The Boulder County Official Floodplain Map is available at https:bit.ly\2JUvl6g and from the Boulder County Floodplain Management webpage.

Additional information is available on the Land Use Docket
Z-17-0002 webpage
and the Floodplain Remapping Project webpage
.