| 9.5 | Water overtops IL Route 132 (Grand Avenue) near Peterson Park. | | 9.0 | Water approaches some homes and school property in Gurnee. | | 7.0 | Flooding begins to affect the lowest areas near the river. |
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1) 11.95 ft on 09/27/1986
2) 11.76 ft on 05/25/2004
3) 10.64 ft on 04/03/1960
4) 10.30 ft on 06/16/2000
5) 10.29 ft on 03/22/1979
6) 9.89 ft on 04/22/1993
7) 9.84 ft on 03/07/1976
8) 9.80 ft on 08/25/2007
9) 9.65 ft on 04/06/1983
10) 9.21 ft on 03/21/1948
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Low water records are unavailable.
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