RIVER GAUGE · TARKIO RIVER
Tarkio River near Elliot
Montgomery County, Iowa
Water level3.20 ft
Flow—
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action10.5 ft
Minor flood11 ft
Moderate flood13.5 ft
Major flood17.5 ft
The past week
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What floods at each level
- 20 ft
Water is flowing over the bridge.
- 17.5 ft
Water reaches the bottom of the bridge at the gage site.
- 13.5 ft
Water begins to flow over 140th Street.
- 11 ft
Bank overflow begins.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 13, 1998 | 14.68 ft | 5,000 cfs |
| Jun 14, 1982 | 13.57 ft | 2,500 cfs |
| Jun 13, 1976 | 13.28 ft | 2,300 cfs |
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