53' - Near this height, the Ste. Genevieve County levee #3 is overtopped.
51' - The Health Care Unit of the Menard Correctional Center begins flooding near this height. Also at this height, the Grand Tower levee is overtopped. This levee protects 14,800 acres.
50' - Ste. Genevieve, Ft. Chartres, Ivy Landing, and Kaskaskia Island levees overtopped.
49.5' - Near this height, the Bois Brule, Degognia, and Fountain Bluff levees are overtopped. The Bois Brule levee protects 26,060 acres. The Degognia and Fountain Bluff levees protect 36,200 acres.
49.4' - Stringtown and Prairie DuRocher levees overtopped.
49' - Degognia and Fountain Bluff Levee overtopped.
47.5' - The Ardent Mills Chester Mill begins flooding near this height.
45.5' - Near this height, Missouri Route H will be closed in both directions from U.S. Highway 61 to Route M.
45.1' - Near this height, Missouri Route M is closed in both directions at River Aux Vases.
45' - At this height, the Chester waterworks pumphouse floods.
44' - At this height, Missouri State Highway 51 is closed from Perry County Road 944 to the Illinois State Line at the bridge into Chester.
42.4' - Near this height, Missouri Route H is closed between Route M and Missouri Highway 51.
42.3' - Near this height, Missouri State Route U will be closed in both directions from U.S. Highway 61 to the Illinois State line at the Kaskaskia Island bridge.
42' - Four cottage units at the Menard Correctional Center begin flooding near this height.
41.1' - Near this height, Missouri Route V southeast of Bloomsdale is closed between Highway 61 and North White Sands Road.
40.79' - Main Street in Evansville inundated.
40' - A hunting lodge near the mouth of the Kaskaskia River begins flooding.
39' - Railroad tracks in St. Mary, Missouri begin flooding.
38.7' - Illinois State Highway 155 at Prairie du Rocher begins flooding near this height.
38.4' - At this level IL Route 3 at levee east of Cora inundated.
38.1' - Near this level, Illinois Route 3 near the Mary's River bridge is closed.
37.7' - Near this height, Route J is closed in both directions at U.S. Highway 61.
37.6' - At this height, Missouri Route M between Route H and Perry County Road 924 is closed.
37.5' - The southbound lane on Kaskaskia Street and the south parking lot at Menard Correctional Center begins flooding.
37.2' - Near this height, U.S. Highway 61 is closed between Ste. Genevieve and Route J.
37' - Union Pacific property along Water Street begins to flood.
36.9' - Near this height, U.S. Highway 61 is closed from Route J to St. Mary.
36.5' - Chester water intake house is flooded... damage begins to occur to 4 homes and administration buildings at Menard State Prison. Prairie DuRocher pump station damaged and road to Kaskaskia Lock inundated.
36' - Chester water works pumphouse is threatened by flood waters. Highway 61 is closed at the bend at St. Mary and a detour is set up through town. Near this height, St. Genevieve County levee #2 is overtopped. This levee protects 7000 acres.
35.2' - In Perry County, Highway C is closed between County Roads 352 and 354 (the Levee Road) near Menfro.
35' - Ste. Genevieve flood gates are closed at this level.
34.79' - Kaskaskia Street near the Menard Prison begins flooding near this height.
34.7' - The north parking lot at Menard Correctional Center begins flooding.
33.5' - Water Street in Chester begins flooding.
33' - Within a foot of this height, Highway A is closed between County Roads 448 and 460 at Wittenberg in southern Perry County.
32.5' - The Road at Fort Gage Farm begins flooding at Menard Correctional Center.
31.5' - In Perry County, Highway E is closed between County Road 322 and Levee Road (County Road 354) at Bois Brule Creek.
28' - Unleveed islands near Chester and the prison farm floods.
27' - Flood Stage. Unprotected farmland on right bank begins to flood.
25' - Degognia Fountain Bluff Levee gates are closed.