RIVER GAUGE · GREEN RIVER (IL)
Green River (IL) near Geneseo
Henry County, Illinois
Water level2.52 ft
Flow332 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action14 ft
Minor flood15 ft
Moderate flood16.5 ft
Major flood18 ft
The past week
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What floods at each level
- 24 ft
Water reaches the bottom of the Grange Road bridge deck.
- 19.3 ft
Water reaches the bottom of the Illinois Highway 82 bridge deck in Geneseo.
- 18 ft
Water inundates 10th Avenue in south Colona. Water affects levees downstream of Illinois Highway 84.
- 15.5 ft
Water affects Illinois Highway 84 north of U.S. Highway 6 in the Colona area.
- 14.5 ft
Water affects some roads around south Colona.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jan 22, 1969 | 21.59 ft | — |
| May 30, 2011 | 19.38 ft | 10,800 cfs |
| Oct 17, 1998 | 18.77 ft | 10,300 cfs |
Get an alert when Green River (IL) rises
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