| 153000.0 | This flow is approximately where CLKM7 goes to open river conditions. | | 38.1 | Sny Island Cell #4 levee is overtopped. | | 37.5 | This is the RECORD FLOOD LEVEL that was reached on July 29 1993. | | 37.1 | Sny Island Cell #3 levee is overtopped. | | 36.8 | This flood level was reached on April 24 1973. | | 36.2 | Highway 79 is closed from one mile south of Annada to two miles north of Annada. Route H is closed from Annada to about one mile west of Annada. Also Route W is closed at Highway 79 in Clarksville for one block. | | 33.2 | IL route 96 near Mozier inundated. | | 33.1 | Route N is closed between Route D and Highway 79. | | 33.0 | Clarksville city businesses from 1st Street to 3rd Street begin to flood. | | 31.5 | Burlington Northern SF railroad tracks begin to flood. Also, Highway 79 closes one mile south of Clarksville. | | 31.0 | The Clarksville Boat Club, south of Lock & Dam 24, begins to flood. First Street begins flooding. In Hamburg, Illinois, Water Street floods. | | 30.0 | East bank (Illinois side) begins to flood. Highway 79 one mile south of Clarksville begins to flood. | | 29.0 | Water enters the parking lot entrance at the Clarksville Riverfront Park. | | 27.2 | Silo Park just northwest of Clarksville off Highway 79 begins flooding. | | 25.5 | State Route P east of Elsberry begins flooding just east of the levee. | | 25.3 | The road to Port Marmac, about 15 homes just south of Clarksville, begins flooding. | | 23.5 | Flooding begins in unprotected areas | | 23.0 | At this approximate stage, the Corps will take gates out of the river, creating open river conditions. This corresponds to an approximate stage of 155,000 cfs. |
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1) 37.50 ft on 07/29/1993
2) 36.76 ft on 04/24/1973
3) 36.70 ft on 06/24/2008
4) 34.70 ft on 05/16/2001
5) 33.70 ft on 10/05/1986
6) 33.24 ft on 04/06/1983
7) 32.70 ft on 05/30/1996
8) 32.44 ft on 04/13/1979
9) 32.40 ft on 04/17/1998
10) 32.20 ft on 04/25/1993
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1) 9.50 ft on 02/26/1950
2) 9.95 ft on 01/28/1944
3) 10.34 ft on 02/25/1965
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