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  • Floodplain Map
  • Creeks of Boulder
  • Floodplain Development
  • Be Prepared
  • Community Resilience

Major Drainageways and Greenways Program (Creek Projects)

Flood and Greenways Project Planning Process

Master Plans

Flood and Greenways Program


Creek Projects

To view the city's drainageways and associated floodplains, please view the Interactive Flood Hazards Map

If one of Boulder's 15 major creeks is not listed below, there are no current projects along that drainageway.

Boulder Creek

Bear Canyon Creek

Bluebell Canyon Creek

Fourmile Canyon Creek

Goose Creek

Gregory Canyon Creek

King’s Gulch

Skunk Creek

South Boulder Creek

Twomile Canyon Creek

Wonderland Creek


Boulder County Creek Recovery and Restoration Program

Boulder County Creek Recovery and Restoration Program

Irrigation Ditches

Irrigation ditches are manmade channels that deliver water to homes, farms, industries and other human uses. Most irrigation ditches divert water from natural creeks and rivers and bring it to other areas..