RIVER GAUGE · WILD IRISHMAN GULCH
Wild Irishman Gulch near Rapid City
Pennington County, South Dakota
Water level3.55 ft
Flow—
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action4 ft
Minor flood5 ft
Moderate flood5.5 ft
Major flood6 ft
The past week
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What floods at each level
- 6 ft
Major Flood Stage. Extensive flooding along the creek with inundation of structures and roads.
- 5.5 ft
Moderate Flood Stage. Some inundation of structures and roads near the creek are possible.
- 5 ft
Minor Flood Stage. Minor flooding along the creek and downstream.
- 4 ft
Action Stage. Water begins to flow in Wild Irishman Gulch.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Aug 16, 2007 | 4.94 ft | 55 cfs |
| Aug 6, 2006 | 4.31 ft | 35 cfs |
| May 16, 2023 | 3.72 ft | 1 cfs |
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