75' - Water reaches the US 60 Highway bridge.

70' - The bottom of the rest area main building floods.

45' - The USGS wellhouse begins flooding.

37' - The rest area, lower picnic areas, and the lower pathway to the gage flood.

27' - Major flooding occurs.

23' - Moderate flooding occurs.

18.32' - Flow of record, recorded January 8, 1993, 76,600 cfs

18' - Flood stage

16' - Bankfull

15' - Alert stage