| 33.0 | The business district in La Salle floods. | | 31.0 | Some flood damage begins in Ottawa. | | 30.0 | Water reaches the top of the La Salle water pumping station pit. | | 29.0 | Flooding begins in sections of Peru. | | 27.5 | Hennepin Levee is overtopped at road crossing. | | 27.0 | Some flooding begins to low lying residences in Ottawa. | | 22.0 | Riverside parking lot at Starved Rock State park floods. | | 21.0 | low lying agricultural areas from 6 miles upstream to 12 miles downstream are flooded. | | 20.0 | agricultural areas in La Salle, Spring Valley, and Peru lowlands are flooded. | | 17.5 | some flooding of agricultural land begins. |
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1) 33.79 ft on 09/16/2008
2) 32.05 ft on 12/05/1982
3) 32.02 ft on 03/12/2009
4) 31.75 ft on 03/21/1979
5) 31.70 ft on 03/06/1985
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Low water records are unavailable.
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