Rivers in Colorado

South Boulder Creek (CO) above Eldorado Springs

Boulder County, ColoradoNWS BELC2Boulder office

Below flood stage
1.97ftStage

Observed Wed, Sep 23, 11:15 AM MDT

Flood stage
5.00 ft
Record crest
9.24 ft1938

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood7.50 ft
Moderate flood6.50 ft
Minor flood5.00 ft
Action4.70 ft
  1. 9.00 ftThis level represents a flood that has a 1-percent chance of being equaled or exceeded in any given year. For more information click <a href="inundation/faq_google.php">here</a>.
  2. 7.50 ftThere is extensive major flooding with roads and buildings inundated. This level represents a flood that has a 2-percent chance of being equaled or exceeded in any given year. For more information click <a href="inundation/faq_google.php">here</a>.
  3. 6.50 ftConsiderable flooding of homes, bridges and roads occurs near the creek.
  4. 6.00 ftHomes adjacent to the creek in Eldorado Springs are affected. Debris in the creek could block flows at bridges with roads flooded.
  5. 5.40 ftHomes close to the creek near Marshall flood. 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>.
  6. 5.00 ftMinor overbank flooding begins to affect yards and property immediately adjacent to the creek from Eldorado Springs to Marshall.
  7. 4.70 ftWater begins to impact low lying areas along the creek from upstream of Eldorado Springs to Marshall.

Crest history

51 crests on NOAA’s list since 1938.

#DateStage
1September 2, 19389.24 ft
2September 12, 20135.43 ft
3June 5, 20154.44 ft
4June 18, 19954.37 ft
5June 2, 20144.04 ft
6June 6, 20203.86 ft
7June 13, 19833.86 ft
8June 12, 19723.85 ft
9May 6, 19733.83 ft
10June 27, 19713.79 ft
11June 14, 20163.78 ft
12May 30, 19743.74 ft
13May 20, 19883.71 ft
14May 19, 19963.70 ft
15May 26, 19783.68 ft
16June 23, 20173.63 ft
17June 16, 19803.62 ft
18June 19, 20213.60 ft
19June 4, 19813.58 ft
20July 13, 20113.57 ft
21June 1, 19913.56 ft
22June 9, 19763.56 ft
23June 1, 19933.56 ft
24June 7, 19773.55 ft
25July 3, 19753.55 ft

Most recent crests

  • June 19, 2021: 3.60 ft
  • June 6, 2020: 3.86 ft
  • June 11, 2019: 3.46 ft
  • June 11, 2018: 3.54 ft
  • June 23, 2017: 3.63 ft
  • June 14, 2016: 3.78 ft
  • June 5, 2015: 4.44 ft
  • June 2, 2014: 4.04 ft
  • September 12, 2013: 5.43 ft
  • July 11, 2012: 2.92 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. Gauge reading affected by reservoir operations. Stage may be affected by ice during winter months.

Sources

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