At its normal level of above sea level , Saylorville Lake covers an area of or and reaches some upstream . At full flood stage the lake can reach or and reach long . At this point any further flow into the lake is channelled over an emergency spillway to the west of the main dam structure . The record high stage for the reservoir was above sea level set on July 11 , 1993 during the Great Flood of 1993
Great Flood of 1993
Great Flood of 1993
Saylorville Lake