| 29.5 | The boat house floods. | | 28.4 | This is the RECORD FLOOD LEVEL that was reached on July 28 1993. | | 28.0 | Water reaches low steel on railroad bridge in Louisiana. | | 27.0 | The Sny Island Cell #2 Levee is overtopped. This flood level was reached on April 24 1973. | | 26.0 | Floodgates and sandbags are used to protect the city water treatment intake. | | 25.5 | The south end of Main Street floods. | | 25.2 | Missori Highway 79 from County Road 115 to County Road 117 is closed northwest of Louisiana. | | 24.0 | US Route 54 to Louisiana Missouri is closed on the Illinois side of the bridge. | | 23.5 | Sny Levee District starts mobilizing to close levee. | | 23.1 | The east approach to the Highway 54 bridge begins to flood. | | 23.0 | The motors at the city sewage treatment plant are pulled and the facility is closed. Houses in Southeast Louisiana begin to flood. | | 22.8 | Highway 79 is closed at Route D south of Louisiana near the Hercules Chemical plant and Holcim Cement plant. | | 21.7 | Floodgates are installed at the city sewage treatment facility. | | 21.5 | Water encroaches both shoulders of State Highway 79 about one half mile south of Louisiana at the Junction of county road D. Also at this level low sections highway 79 in Louisiana are flooded. Motorists are detoured onto side streets. A business at the SW corner of Highway 79 and Alabama begins flooding. | | 21.3 | Highway 79 near Alabama Street at Gladneys car lot is closed. | | 20.2 | Maryland Street at 4th Street and Illinois Street between Main and Highway 79 begin flooding. | | 20.0 | Highway 79 starts flooding at Delaware Street and Alabama Street. | | 17.0 | The parking area at the boat house floods. | | 15.0 | Damage begins in unprotected areas. | | 12.2 | For barge navigation, the Corps will attempt to keep the river at or below this level. Year-round target levels are between 11.5 and 12.2 feet. | | 11.5 | For safe navigation of barge traffic, the Corps will try to keep the river above this level. Year-round target levels are between 11.5 and 12.2 feet. |
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1) 28.40 ft on 07/28/1993
2) 27.05 ft on 04/24/1973
3) 26.96 ft on 06/23/2008
4) 24.43 ft on 05/16/2001
5) 22.70 ft on 04/05/1983
6) 22.70 ft on 10/05/1986
7) 22.10 ft on 04/13/1979
8) 21.90 ft on 04/28/1993
9) 21.80 ft on 04/16/1998
10) 21.50 ft on 03/06/1984
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Low water records are unavailable.
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