MEDIAN FLOW RATE · 7 DAY
675cfs 33.0% vs avg
Optimal band: 574–776 cfs
PERIOD HIGH
890cfs
PERIOD LOW
559cfs
RUNNABLE
75%
last 7 day in band
Gauge Height
8.36ft
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Your History · GRAND RIVER AT IONIA, MI
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Station Location
42.9720, -85.0692Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC
Site #04116000·USGS
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