River gauges›South Dakota
RIVER GAUGE · SOUTH CANYON

South Canyon near Rapid City

Pennington County, South Dakota

Water level3.56 ft
Flow0 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action4.5 ft
Minor flood6 ft
Moderate flood6.5 ft
Major flood7 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
May 16, 20235.84 ft10 cfs
Jul 20, 20185.12 ft2 cfs
May 27, 20194.96 ft1 cfs

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