| 19.7 | Red Wing wastewater treatment plant begins to experience flooding. | | 18.5 | Prairie Island power plant begins to prepare for flooding. | | 17.0 | Milwaukee Road railroad between Red Wing and Hastings begins flooding. | | 16.0 | Red Wing Milling Company may experience basement flooding and begin pumping. | | 15.0 | The city of Frontenac and Bay City begin flooding. | | 14.3 | Lock and dam 3 may end operations. | | 14.0 | Low lying areas and some roads along the river begin to experience flooding. |
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1) 20.70 ft on 04/18/1965
2) 18.80 ft on 04/17/1969
3) 18.20 ft on 04/28/2001
4) 18.10 ft on 04/17/2001
5) 17.18 ft on 04/12/1997
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1) 1.80 ft on 10/01/2003
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