RIVER GAUGE · CASTLE CREEK
Castle Creek below Deerfield Reservoir
Pennington County, South Dakota
Water level3.47 ft
Flow8 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action5 ft75 cfs
Minor flood5.5 ft100 cfs
The past week
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What floods at each level
- 12.8 ft
Water will reach the floor of the gage house.
- 5.5 ft
Minor flood stage. Minor flooding along the creek.
- 5.25 ft
Safe channel capacity is 90 cfs.
- 5 ft
Action stage. Low land flooding along the banks may begin.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 30, 2011 | 5.37 ft | 101 cfs |
| Jul 8, 2019 | 5.34 ft | 81 cfs |
| Jun 29, 2023 | 5.19 ft | 88 cfs |
More on Castle Creek
UpstreamDeerfield Reservoir
DownstreamRapid Creek at Silver City
Get an alert when Castle Creek rises
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