| 35.4 | This is the RECORD FLOOD LEVEL that was reached on July 31 1993. | | 34.0 | The main office at the Water Treatment Plant floods. | | 33.0 | Union Pacific RR crossing floods. | | 32.0 | Secondary buildings at the Water Treatment Plant floods. | | 29.0 | State Highway 47 begins to flood near Augusta Bottom Road and at Lake Creek Bridge near the Highway 94 turnoff to Dutzow. | | 26.0 | Agricultural land on the left bank begins to flood. | | 24.7 | Highway 94 is closed between Schluersburg and Terry Road. | | 24.5 | Augusta Bottom Road begins flooding east of Highway 47. | | 23.8 | Callaway Fork Road north of Highway F begins flooding in western St. Charles County. | | 22.2 | Highway 94 begins flooding 1.5 miles SW of Matson, MO. | | 21.0 | Water plant turns pumps on | | 20.0 | Flood Stage. Minor flooding begins. | | 17.5 | Lower River front parking lot is closed | | 2.0 | This level represents the end of the city boat ramp. Below this level, the boat ramp drops straight down, making it dangerous for boats to safely launch into or be taken from the river. |
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1) 35.40 ft on 07/31/1993
2) 32.90 ft on 05/19/1995
3) 32.50 ft on 10/06/1986
4) 32.25 ft on 06/01/1844
5) 30.90 ft on 07/19/1951
6) 30.10 ft on 04/24/1973
7) 29.60 ft on 09/24/1993
8) 29.20 ft on 04/14/1994
9) 28.40 ft on 05/28/1990
10) 28.30 ft on 12/07/1982
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Low water records are unavailable.
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