| 35.0 | The Flood wall protecting the Quincy Water Plant is overtopped. | | 32.2 | This is the RECORD FLOOD LEVEL that was reached on July 13 1993. | | 31.0 | The Comstock Stove Castle Company warehouse begins flooding near this height. | | 30.8 | Near this height, all roads leading to Bottom Road north of Quincy are closed to all traffic. | | 29.7 | Indian Grave Levee is overtopped. | | 29.5 | The main floor of the South Side Boat Club floods near this height. | | 29.0 | R.J. Peters Drive in south Quincy is closed between 8th Street and Gardner Expressway, or Illinois Route 57. | | 28.8 | Flood water reaches the low steel on the BNSF bridge in Quincy. | | 28.2 | Damage begins at Quincy sewage treatment plant. | | 28.0 | The city of Quincy begins sandbagging. | | 27.8 | Water goes over lock gates at Dam 21. | | 26.3 | Eastbound lanes of the US Highway 24 bridge (Memorial Bridge) are closed. Eastbound traffic is diverted to the northern US Highway 24 bridge, or onto the Bayview Bridge. | | 25.0 | The main floor of the boat house off Bonansinga Drive will flood near this height. | | 24.0 | In Quincy, Bonansinga Drive is closed at Cedar Street and at Kochs Lane. Illinois Highway 57 is closed between Jefferson Street and the Gardner Denver company. In LaGrange, MO, Main Street (U.S. Business 61) and other structures begin to flood. | | 23.5 | County Highway 7 in Quincy south of Parker Heights Park is flooded. | | 23.0 | Old US Highway 61 begins to flood south of LaGrange, 8.5 miles upstream of Quincy. | | 22.1 | Bonansinga Drive at Bob Bangert Park begins to flood. Also, the basement of the South Side Boat Club begins flooding near this height. | | 22.0 | This is a critical stage for the Drainage Districts: Union Town (Right Bank) 4 to 8 miles above Quincy 5000 acres flood. Fabius River (Right Bank) 5 miles above to 4 miles below Quincy 14000 acres flood. South Quincy (Left Bank) 1 to 9 miles below Quincy 5500 acres flood. | | 21.9 | The lower floor of The Pier Restaurant begins flooding near this height. | | 21.1 | In LaGrange, the entrance to a parking lot at the Mark Twain Casino begins to flood. | | 20.0 | The Clat Adams Bicentennial Park, just north of the Memorial Bridge, begins flooding. | | 19.5 | Garages beneath raised homes along Bonansinga Drive will begin flooding near this height. | | 19.0 | Quincy Parks, including All America, Kesler, Sid Simpson, and Bob Bangert Parks north of Broadway, begin flooding. | | 18.5 | Urban damage (one basement) begins in LaGrange. CB&Q Railroad main line, 10 to 16 miles above Quincy begins to flood at several locations. | | 18.0 | Moderate flooding begins. | | 17.0 | Urban damage begins at Quincy. Railroad line 6 miles West of Quincy begins to flood. Minor flooding begins. | | 15.0 | Riverside campsites south of Quincy begin to flood. | | 14.0 | Unprotected bottomlands flood on both sides of the river above and below the gage. |
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1) 32.13 ft on 07/13/1993
2) 30.80 ft on 06/18/2008
3) 28.90 ft on 04/25/1973
4) 27.31 ft on 05/16/2001
5) 25.30 ft on 10/04/1986
6) 24.45 ft on 05/29/1996
7) 24.20 ft on 04/29/1995
8) 23.80 ft on 04/05/1983
9) 23.50 ft on 04/27/2001
10) 23.36 ft on 04/15/1998
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Low water records are unavailable.
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