| 145000.0 | This is the flow at which CAGM7 will go to open river conditions. | | 39.6 | This is the RECORD FLOOD LEVEL that was reached on August 1 1993. | | 37.1 | This is the level at which the Winfield levee failed in June 2008. | | 37.0 | Water reaches the top of the lock wall. Also at this level water completely floods Lock and Dam Park in Winfield. Highway 79 is closed a half mile south of Highway 47 for another half mile. | | 36.3 | Highway 79 is closed through the town of Foley. | | 35.6 | Highway 79 is closed from Winfield north to Route Y. | | 35.5 | Highway 79 is closed from Bobs Creek to one mile south. | | 34.2 | Route M is closed south of Elsberry from east of Highway 79 at the railroad tracks to where state maintenance ends. | | 34.0 | This is the level of the levee protection for Winfield. | | 33.5 | Near this height, the office building and storage building of Kimaterials, a sand and gravel company on Highway 79 between Winfield and Old Monroe, begins flooding. | | 32.9 | Route N is closed from Highway 79 at Winfield to where state maintenance ends. | | 32.5 | Near this level, the Corps will close the lock to navigation. | | 30.0 | The Golden Eagle Ferry will likely close near this level. Lakeshore Drive in northern St. Charles County becomes impassable near this level. | | 29.3 | The following roads in northern St. Charles County close near this level: Peruque Creek Road near Highway 79, Dalbow Road near Highway 79, and Firma Road. | | 29.2 | Lakeview Road in northeastern St. Charles County is closed north of the railroad tracks. Also, Highway C between Highway B and Silvers Road will be closed near this height. | | 29.0 | Route 96 at Mozier Landing closes. | | 28.5 | Much of County Highways B and C in eastern St. Charles County are flooded. | | 26.0 | Flood Stage. Minor damages begin. Highway B in eastern St. Charles County floods near the Dardenne Creek bridge. | | 24.0 | Water begins covering Highway C about a half mile south of Highway B in St. Charles County. | | 23.0 | A few local islands begin to flood. | | 21.6 | Near this stage, the Corps will raise all gates out of the river, creating open river conditions. This corresponds to an approximate discharge of 145,000 cfs. |
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1) 39.62 ft on 08/01/1993
2) 37.08 ft on 06/27/2008
3) 36.93 ft on 04/27/1973
4) 34.68 ft on 05/18/2001
5) 34.20 ft on 04/14/1979
6) 33.98 ft on 04/07/1983
7) 33.95 ft on 04/26/1993
8) 33.93 ft on 05/20/1995
9) 33.63 ft on 10/07/1986
10) 32.98 ft on 05/31/1996
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1) 9.10 ft on 01/17/1940
2) 11.90 ft on 10/16/1987
3) 12.20 ft on 12/13/1989
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