South Platte River at South Platte
Highest listed crest 11.20 ftFlood stage 7.0 ft100 crests since 1910
The South Platte River at South Platte crested at major flood stage 1 time among the 100 crests the National Weather Service lists from 1910 to 2021. The highest, 11.20 ft on July 12, 1996, was major flooding, 4.20 feet above flood stage.
The gauge
- Highest listed crest
- 11.20 ft
- July 12, 1996; 7,756 cubic feet per second
- Flood stage
- 7.0 ft
- Major flooding from 9.5 ft
- Crests at major
- 1
- 6th of 100 gauges in Colorado
- Most recent flood crest
- June 14, 2015
- 7.63 ft, minor flooding
Flood stages
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
| Action stage | 6.0 | 5 | Jul 31, 1998 |
| Flood stage (minor) | 7.0 | 5 | Jun 14, 2015 |
| Moderate flood stage | 8.5 | 1 | Jun 8, 1921 |
| Major flood stage | 9.5 | 1 | Jul 12, 1996 |
Every listed crest
100 crests from 1910 to 2021. Filled: at or above flood stage. Hover a crest for its date and stage.
Crests at or above flood stage, by decade
- These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
- Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
Highest crests
The 50 highest of 100 listed crests.
| 1 | Jul 12, 1996 | 11.20 | +4.20 | Major |
| 2 | Jun 8, 1921 | 8.95 | +1.95 | Moderate |
| 3 | Apr 30, 1970 | 8.24 | +1.24 | Minor |
| 4 | Apr 23, 1942 | 8.15 | +1.15 | Minor |
| 5 | Jun 14, 1949 | 7.96 | +0.96 | Minor |
| 6 | Jun 14, 2015 | 7.63 | +0.63 | Minor |
| 7 | Jun 18, 1995 | 7.32 | +0.32 | Minor |
| 8 | Jun 24, 1918 | 6.90 | −0.10 | Action |
| 9 | May 22, 1973 | 6.85 | −0.15 | Action |
| 10 | Jun 19, 1969 | 6.51 | −0.49 | Action |
| 11 | Jul 31, 1998 | 6.09 | −0.91 | Action |
| 12 | Jun 12, 1980 | 6.05 | −0.95 | Action |
| 13 | Jul 6, 1911 | 5.95 | −1.05 | Below flood stage |
| 14 | Jun 2, 1933 | 5.92 | −1.08 | Below flood stage |
| 15 | Jun 24, 1947 | 5.86 | −1.14 | Below flood stage |
| 16 | Jun 18, 1999 | 5.61 | −1.39 | Below flood stage |
| 17 | Jun 30, 1912 | 5.60 | −1.40 | Below flood stage |
| 18 | May 26, 1958 | 5.53 | −1.47 | Below flood stage |
| 19 | Aug 21, 1945 | 5.48 | −1.52 | Below flood stage |
| 20 | Jun 7, 1924 | 5.42 | −1.58 | Below flood stage |
| 21 | Jun 20, 1917 | 5.40 | −1.60 | Below flood stage |
| 22 | Aug 12, 1936 | 5.37 | −1.63 | Below flood stage |
| 23 | May 20, 2007 | 5.28 | −1.72 | Below flood stage |
| 24 | Jul 8, 2006 | 5.22 | −1.78 | Below flood stage |
| 25 | Jun 18, 1913 | 5.20 | −1.80 | Below flood stage |
| 26 | Aug 1, 1919 | 5.10 | −1.90 | Below flood stage |
| 27 | Jun 5, 1915 | 5.00 | −2.00 | Below flood stage |
| 28 | Jun 17, 1979 | 4.97 | −2.03 | Below flood stage |
| 29 | Aug 31, 1997 | 4.97 | −2.03 | Below flood stage |
| 30 | Jul 22, 1943 | 4.88 | −2.12 | Below flood stage |
| 31 | Jul 22, 1957 | 4.88 | −2.12 | Below flood stage |
| 32 | Jul 16, 1923 | 4.85 | −2.15 | Below flood stage |
| 33 | Aug 9, 1929 | 4.84 | −2.16 | Below flood stage |
| 34 | Jul 6, 2019 | 4.80 | −2.20 | Below flood stage |
| 35 | Jun 3, 2009 | 4.79 | −2.21 | Below flood stage |
| 36 | Jul 13, 2011 | 4.75 | −2.25 | Below flood stage |
| 37 | Jul 19, 1975 | 4.65 | −2.35 | Below flood stage |
| 38 | May 31, 1944 | 4.63 | −2.37 | Below flood stage |
| 39 | Jul 23, 1935 | 4.62 | −2.38 | Below flood stage |
| 40 | Jul 17, 2000 | 4.61 | −2.39 | Below flood stage |
| 41 | Jun 1, 2014 | 4.61 | −2.39 | Below flood stage |
| 42 | Jul 29, 1910 | 4.60 | −2.40 | Below flood stage |
| 43 | Jun 14, 1920 | 4.60 | −2.40 | Below flood stage |
| 44 | Jun 6, 1941 | 4.56 | −2.44 | Below flood stage |
| 45 | Jul 20, 1965 | 4.55 | −2.45 | Below flood stage |
| 46 | May 30, 1938 | 4.50 | −2.50 | Below flood stage |
| 47 | Jul 7, 2008 | 4.50 | −2.50 | Below flood stage |
| 48 | Aug 5, 1922 | 4.48 | −2.52 | Below flood stage |
| 49 | Jun 14, 2010 | 4.38 | −2.62 | Below flood stage |
| 50 | May 26, 1994 | 4.37 | −2.63 | Below flood stage |
The worst floods along the South Platte River
For this gauge's highest crests, the other gauges on the South Platte River that crested above flood stage within a week.
April 30, 1970: 8.24 ft here, minor flooding
- Cheesman ReservoirCO · Apr 29, 1970 · 13.40 ft · Major · its highest
- Lake GeorgeCO · Apr 28, 1970 · 8.34 ft · Minor · its highest
April 23, 1942: 8.15 ft here, minor flooding
- WatertonCO · Apr 23, 1942 · 5.68 ft · Minor · its highest
Gauges on the South Platte River
Flood gauges sharing the river's name, linked within 80 miles of one another.
| Atwood | CO | 15.52 ft, Sep 15, 2013 | 1 |
| Denver | CO | 18.66 ft, Jun 17, 1965 | 1 |
| Fort Morgan | CO | 25.73 ft, Sep 15, 2013 | 1 |
| Henderson | CO | 17.67 ft, May 6, 1973 | 2 |
| North Platte | NE | 14.54 ft, Sep 23, 2013 | 0 |
| Roscoe | NE | 12.21 ft, Sep 21, 2013 | 0 |
| South Platte this gauge | CO | 11.20 ft, Jul 12, 1996 | 1 |
| Waterton | CO | 5.68 ft, Apr 23, 1942 | 0 |
| Cheesman Reservoir | CO | 13.40 ft, Apr 29, 1970 | 1 |
| Balzac | CO | 13.71 ft, Sep 15, 2013 | 1 |
| Crook | CO | 10.13 ft, Sep 17, 2013 | 0 |
| Julesburg | CO | 10.74 ft, Sep 18, 2013 | 0 |
| Kersey | CO | 15.09 ft, Sep 14, 2013 | 1 |
| Lake George | CO | 8.34 ft, Apr 28, 1970 | 0 |
| Weldona | CO | 19.20 ft, Sep 14, 2013 | 1 |
Other gauges in Jefferson County
| Evergreen | 7.10 ft, Aug 24, 1992 | 0 |
| Morrison | 11.50 ft, Jul 7, 1933 | 2 |
| Plainview | 7.17 ft, Sep 13, 2013 | 1 |
| Cheesman Reservoir | 13.40 ft, Apr 29, 1970 | 1 |
| Golden | 3.60 ft, May 18, 1995 | 0 |
Jefferson County: every hazard · River floods across the country · Colorado
NOAA National Water Prediction Service, gauge SPTC2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.