RIVER GAUGE · CASTLE CREEK
Castle Creek above Deerfield
Pennington County, South Dakota
Water level2.75 ft
Flow16 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action4.5 ft348 cfs
Minor flood6 ft
Moderate flood7 ft
Major flood7.5 ft
The past week
Loading chart…
What floods at each level
- 13 ft
Water covers the floor of the gage house.
- 7.5 ft
Major flood stage. Extensive inundation of structures and roads is possible along Castle Creek.
- 7 ft
Moderate flood stage. Some inundation of structures and roads along Castle Creek are possible.
- 6 ft
Minor flood stage. Minor flooding along Castle Creek.
- 4.5 ft
Action stage. Low lying areas along Castle Creek begin to flood.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 14, 2019 | 6.54 ft | — |
| Nov 22, 1984 | 6.48 ft | — |
| Jul 15, 1984 | 6.31 ft | 1,220 cfs |
More on Castle Creek
DownstreamDeerfield Reservoir
Get an alert when Castle Creek rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.
