| 26.0 | This is the height of the Waterloo levee design protection. | | 24.5 | Water reaches the underside of the railroad bridge just upstream of the gage site. | | 22.0 | Water wells are endangered. | | 19.0 | Chicago-Illinois Central RR inundated between Cedar Falls and Waterloo, nearly 30,000 acres are flooded. Water is at the underside of RR bridge just upstream from the river gage. | | 13.5 | The Virden Creek outlet is closed in Waterloo. Depending on the situation the Virden Creek outlet will be closed between 12 and 14 ft. | | 13.0 | There is minor street flooding in Evansdale along with about 22,000 acres flooded. | | 11.5 | At this level adjacent lowland agricultural flooding occurs. | | 11.0 | Exchange and the Cedar River parks in Waterloo are affected. | | 10.5 | Flooding begins in the Sherwood park area on the northwest edge of Waterloo proper. | | 10.0 | This is the bankfull stage for most areas of Waterloo. | | 8.0 | Activation stage for NWR broadcasts. City of Waterloo begins closing storm drains. |
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1) 21.86 ft on 03/29/1961
2) 21.67 ft on 04/08/1965
3) 20.78 ft on 07/23/1999
4) 20.60 ft on 06/02/1993
5) 20.54 ft on 04/02/1993
6) 20.15 ft on 06/29/1969
7) 20.00 ft on 03/16/1929
8) 19.50 ft on 04/02/1933
9) 19.26 ft on 03/31/1962
10) 18.83 ft on 04/09/1951
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1) 0.00 ft on 01/28/1959
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