South Fork Grand River (SD) near Cash
Perkins County, South Dakota
The past week
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What floods at each level
- 16 ft
Major flood stage. Significant and widespread flooding along the South Fork of the Grand River from Divide Road to Shadehill Reservoir. Water may approach portions of Divide Road.
- 14 ft
Moderate flood stage. Widespread flooding of pasture lands along the South Fork of the Grand River. Water will approach the low steel on the Divide Road bridge.
- 12 ft
Minor flood stage. Minor flooding of pasture land along the South Fork of the Grand River from Divide Road to White Butte Road upstream of Shadehill Reservoir.
- 10 ft
Action stage. Low lying areas along the South Fork of the Grand River will be innundated.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Apr 14, 1950 | 15.4 ft | 27,000 cfs |
| Mar 21, 1947 | 14.35 ft | — |
| Apr 5, 1952 | 13.59 ft | 15,600 cfs |
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