| 8.8 | A stage of 8.8 feet can be considered to be about a 20 percent chance flood meaning there is a 20 percent chance in any given year of the river reaching this level. There is widespread agricultural land flooding in the Brodhead area. Downstream in the Avon Bottoms area of Rock County...there is flooding in Sugar River Park. | | 8.0 | Floodwaters are over Highway T in Rock County...and there is flooding in Sugar River Park in the Avon Bottoms area of Rock County. There is widespread agricultural and lowland flooding in the Brodhead area. A flood of this level can be considered to be between a 20 percent chance flood and a 50 percent chance flood meaning there is between a 20 and 50 percent chance in any given year of the river reaching this level. | | 7.4 | A stage of 7.4 feet can be considered to be about a 50 percent chance flood meaning there is a 50 percent chance in any given year of the river reaching this level. There is widespread agricultural and lowland flooding in the Brodhead area. Downstream in the Avon Bottoms area of Rock County...there is flooding in Sugar River Park. | | 6.5 | There is widespread flooding of lowland and agricultural land. Downstream in the Avon Bottoms area of Rock County...there is flooding in Sugar River Park. | | 5.0 | Some roads become flooded about 6 miles downstream in Avon Township in Rock County. In the Avon Bottoms area of Rock County...some minor flooding develops in Sugar River Park...including the boat ramp. | | 4.5 | Minor lowland flooding occurs |
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1) 11.40 ft on 09/13/1915
2) 10.07 ft on 03/07/1937
3) 10.00 ft on 03/14/1929
4) 9.90 ft on 02/06/1938
5) 9.86 ft on 03/16/1943
6) 9.80 ft on 02/28/1948
7) 9.78 ft on 02/23/1922
8) 9.76 ft on 03/22/1975
9) 9.72 ft on 03/31/1960
10) 9.30 ft on 03/26/1916
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1) 0.00 ft on 06/13/1934
3) 0.10 ft on 09/09/2003
4) 0.35 ft on 09/13/2005
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