| 20.5 | This level is about a 10 percent chance flooding meaning there is a 10 percent chance in any given year of the river reaching this level. | | 19.0 | This level is about a 20 percent chance flood meaning there is a 20 percent chance in any given year of the river reaching this level. | | 18.0 | Some homes in Martintown are affected by floodwaters. There is widespread lowland and agricultural land flooding. | | 17.5 | Downstream in Winslow Illinois...Highway 73 is flooded. | | 16.2 | This level is about a 50 percent chance flood meaning there is a 50 percent chance in any given year of the river reaching this level. | | 16.0 | Floodwaters get into the back yard of at least one home in Martintown. | | 13.5 | Floodwaters affect Martintown Road and West River Road in the Martintown area. Upstream in the Browntown area...floodwaters affect Highway MM and West Indies Road. | | 13.0 | Tillable farm land is flooded. | | 11.0 | There is minor lowland flooding. | | 9.5 | There is minor...non-damaging lowland flooding. |
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1) 21.46 ft on 07/01/1969
2) 20.98 ft on 07/01/1990
3) 20.80 ft on 03/27/1916
4) 20.57 ft on 03/24/1975
5) 20.36 ft on 07/08/1993
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1) 2.10 ft on 12/14/1939
2) 3.65 ft on 09/12/2003
3) 3.72 ft on 09/15/2005
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