| 27.9 | The water overtops the levee. | | 25.4 | The water reaches the flood of record set in 1965. | | 25.0 | Major flooding occurs in McGregor. | | 22.0 | Water covers the North end of Main street. | | 21.5 | Railroad tracks and the road near the casino in Marquette are closed. Access to city shop is impacted. | | 19.6 | The road to the Prairie Du Chien wastewater treatment facility is flooded. | | 19.0 | Flooding of some residental areas begin. | | 18.0 | Pumping operations begin at the Prairie Du Chien waste water treatment facility. | | 17.0 | Minor lowland flooding begins and access to parks near the river in Prairie Du Chien are affected. | | 16.5 | Water may begin to go over the road covering part of highway C near highway 18. | | 16.0 | The bridge approach to Saint Feriole Island begins to flood. Pumping operations are underway. |
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1) 25.38 ft on 04/24/1965
2) 23.75 ft on 04/20/2001
3) 21.98 ft on 06/29/1993
4) 21.58 ft on 04/22/1969
5) 21.38 ft on 04/15/1997
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1) 4.28 ft on 12/08/1939
2) 4.81 ft on 01/17/1944
3) 5.00 ft on 01/07/1938
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