RIVER GAUGE
Shadehill Reservoir
Perkins County, South Dakota
Water level2265.74 ft
Flow0 cfs
Last readingSep 16, 2026, 5:15 PM UTC (last recorded)
Action2272 ft
The past week
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What floods at each level
- 2318 ft
Dam crest elevation.
- 2297.9 ft
Near record flooding with similar flooding to what occurred in 1950 before the reservoir was completed.
- 2290.83 ft
Reservoir elevation on April 17, 2009.
- 2280 ft
Water begins to impact the road to the Shadehill Recreation Area.
- 2272 ft
Water begins flowing into an uncontrolled outlet and is discharged downstream.
- 2260 ft
Top of active conservation pool.
- 2253.4 ft
Top of inactive conservation pool.
- 2250.8 ft
Top of dead storage pool.
- 2220 ft
Streambed elevation at dam axis.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Apr 9, 1952 | 2297.86 ft | — |
| Apr 16, 2009 | 2290.83 ft | — |
| Mar 28, 2019 | 2283.98 ft | — |
DownstreamGrand River (SD) near Little Eagle
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