River gauges›Iowa
RIVER GAUGE · IOWA RIVER

Iowa River at Columbus Jct

Louisa County, Iowa

Water level12.23 ft
Flow9,690 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action19 ft
Minor flood23 ft
Moderate flood25 ft
Major flood26.5 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Jun 14, 200832.3 ft—
Jul 6, 199328.3 ft—
Jul 2, 201427.67 ft103,658 cfs

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