145000' - This is the flow at which CAGM7 will go to "open river" conditions.
37.1' - This is the level at which the Winfield levee failed in June 2008.
37' - 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.
36.29' - 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.
35.1' - The levee behind Lock and Dam 25 will overtop at this height without additional protection.
34.6' - Route M is closed south of Elsberry from Highway 79 east to where state maintenance ends near Apex Lane.
34.5' - 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. Also, the Corps has not kept Lock 25 open above this height.
34' - This is the level of the levee protection for Winfield.
33' - Route N is closed from Highway 79 at Winfield to where state maintenance ends.
32.5' - Near this level, Winfield Lock 25 is closed to navigation.
30' - The Golden Eagle Ferry will likely close near this level. Lakeshore Drive in northern St. Charles County becomes impassable near this level.
29.8' - Much of County Highways B and C in eastern St. Charles County are flooded.
29.5' - Highway B in eastern St. Charles County floods near the Dardenne Creek bridge.
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' - Route 96 at Mozier Landing closes.
28.6' - Water begins covering Highway C about a half mile south of Highway B in St. Charles County.
28.3' - Near this height, Lakeview Drive becomes impassable and Kampville Road begins flooding in northern St. Charles County.
27.8' - Near this height, Wilson Road just north of Washeon Road and Lehmond Island Road south of Sunset Drive in northern St. Charles County begin flooding.
27.5' - At this stage, Lock and Dam 25 will stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet of polyethylene plastic as a precaution.
23' - 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.