River gauges›Michigan
RIVER GAUGE · GRAND RIVER

Grand River at Ionia

Ionia County, Michigan

Water level8.63 ft
Flow814 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action13.5 ft4,210 cfs
Minor flood21 ft
Moderate flood23 ft
Major flood25 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Apr 20, 201324.69 ft25,100 cfs
Feb 23, 201824.4 ft24,200 cfs
Mar 20, 194824.3 ft—

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