| 26.0 | Water reaches the top of the Bay Island levee. | | 23.8 | Water reaches the top of the Oquawka levee. | | 21.0 | Water reaches the top of the Keithsburg levee. Water also affects grain elevators in New Boston. | | 20.0 | Water affects Keithsburgs boat club building. Water also reaches the top of the Henderson Drainage Districts agricultural levee. | | 19.5 | Water affects the Illinois Power facilities along Marina Drive in Oquawka. | | 19.0 | Seepage behind Keithsburgs levee affects businesses on 4th Street and affects Keithsburg Road at Pope Creek. | | 18.5 | Water affects Oquawkas Marina Drive just south of town. | | 17.5 | Water affects most houses on 1st Street in Oquawka. | | 17.0 | Seepage behind Keithsburgs levee affects Jackson Avenue south of 4th Street. | | 16.5 | Water affects houses on 1st Street in Oquawka. | | 16.0 | Water is over the campground and boat ramp in Keithsburg. | | 14.5 | Water affects low lying areas in Oquawka. | | 14.0 | Water affects a campground along the river at Keithsburg. | | 13.5 | Water is over the local access road to summer cottages in the Huron Township. | | 13.0 | Water affects agricultural land and unpaved county roads. | | 12.0 | Water affects low-lying areas. |
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1) 24.49 ft on 06/17/2008
2) 24.15 ft on 07/09/1993
3) 20.72 ft on 05/12/2001
4) 20.46 ft on 04/28/1965
5) 20.35 ft on 05/02/2008
6) 19.35 ft on 04/25/1973
7) 19.10 ft on 04/25/1993
8) 18.71 ft on 04/14/1998
9) 17.99 ft on 04/20/1997
10) 17.46 ft on 10/07/1986
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Low water records are unavailable.
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