Rivers in Colorado

Clear Creek (CO) at Derby

Adams County, ColoradoNWS DRBC2Boulder office

Below flood stage
2.95ftStage

Observed Mon, Sep 28, 9:00 PM MDT

Flood stage
10.50 ft
Record crest
7.60 ft2019

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood12.50 ft
Moderate flood11.50 ft
Minor flood10.50 ft
Action9.00 ft
  1. 13.50 ftThere is widespread major flooding with many roads, bridges and buildings inundated.
  2. 12.50 ftMajor flooding is expected along Clear Creek with roads, homes and businesses impacted.
  3. 11.50 ftSome inundation of structures and streets along and crossing Clear Creek is possible.
  4. 10.50 ftSignificant lowland flooding occurs. This level represents a flood that has a 10-percent chance of being equaled or exceeded in any given year. For more information click <a href="inundation/faq_google.php">here</a>.
  5. 9.00 ftWater overtops the bike path at a number of locations along Clear Creek.

Flood outlook

Chance of flooding, October to December

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.

Crest history

5 crests on NOAA’s list since 2017.

#DateStage
1July 20, 20197.60 ft
2June 26, 20206.84 ft
3June 25, 20216.53 ft
4May 8, 20176.50 ft
5May 3, 20186.25 ft

Most recent crests

  • June 25, 2021: 6.53 ft
  • June 26, 2020: 6.84 ft
  • July 20, 2019: 7.60 ft
  • May 3, 2018: 6.25 ft
  • May 8, 2017: 6.50 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by ice during winter months.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.