| 21.8 | Prepare for floodwaters 4 to 5 feet deep throughout the lowest lying downtown areas in Ellis. At 21.8 feet, inundations comparable to the June 17, 1957 flood will occur...which approximates the 100 year flood. | | 20.4 | At a stage of 20.4 feet, the 11th street bridge road surface will be covered by water... and 3 to 5 foot inundations will cover the lowest lying areas around Big Creek. The downtown area will experience inundations approximately 1.5 feet lower than the maximum crest previously encountered during the June 17, 1957 flood. | | 19.0 | Floodwaters 2 feet or more will inundate portions of the downtown area. | | 18.0 | River reaches the low bridge steel of the 11th Street Bridge across Big Creek. Floodwaters reaching a depth of 1 foot or more will inundate portions of the downtown area. | | 17.0 | In the city of Ellis, portions of 11th Street begin to flood and floodwaters begin to move into sections of the downtown area. | | 16.0 | In the city of Ellis, Big Creek widens as the floodwaters move away from the river channel. | | 15.0 | In the city of Ellis, flood waters migrate from the immediate proximity of Big Creek. | | 14.0 | At a stage of 14 feet, expect minor overflows in the immediate proximity of Big Creek. |
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1) 21.80 ft on 06/17/1957
2) 19.75 ft on 06/22/1951
3) 14.20 ft on 07/21/1993
4) 12.10 ft on 08/03/1999
5) 11.60 ft on 08/02/1999
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Low water records are unavailable.
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