30' - The levees upstream of the gauge will begin to be overtopped.
28' - The levees dowstream of the gage will be overtopped.
22' - Portions of Rice St between Cleveland and Veterans Pkwy begin to flood.
18' - Significant amounts of rural land downstream of Sioux Falls, and the salvage yard in extreme eastern Sioux Falls, will begin to flood. If levees fail, significant flooding around the city street department shops will result.
17.5' - 60th Street North and Timberline Road begin to flood.
16' - Rural flooding downstream of Sioux Falls begins, and the Glenwood Stable begins to flood.