RIVER GAUGE · RENO GULCH
Reno Gulch near Hill City
Pennington County, South Dakota
Water level3.65 ft
Flow0 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action4.75 ft26 cfs
Minor flood6 ft115 cfs
Moderate flood7 ft
Major flood8 ft
The past week
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What floods at each level
- 8 ft
Major Flood Stage. Residences close to the river may flood.
- 7 ft
Moderate Flood Stage. Water begins to approach Pennington County Road T317.
- 6 ft
Minor Flood Stage. Minor flooding of driveways which cross the river.
- 5 ft
Bankfull Stage. Overflows banks.
- 4.75 ft
Action Stage.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 25, 2015 | 6.32 ft | 34 cfs |
| Jun 17, 1998 | 5.84 ft | 99 cfs |
| May 27, 2019 | 5.34 ft | 13 cfs |
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