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Table 2 <br /> Downstream Consequences of Failure during a Zero Freeboard Flood on the Elk River <br /> and 10-year Flood on the Mississippi River <br /> Elk River Pre-Failure Flow= 16,600 cfs and Mississippi River Flow= 36,400 cfs <br /> Distance Peak Flood Flood Wave Flood <br /> HEC- Downstream Wave Height Wave Peak <br /> RAS Location Above No- Arrival Discharge <br /> from Dam Elevation <br /> Section (miles) (feet NGVD) Failure Time (cfs) <br /> Profile(feet) (minutes) <br /> Elk River—Just <br /> 5895 Downstream of 0.00 868.16 1.14 0 25,090 <br /> Dam <br /> Elk River— <br /> 5620 Upstream of 0.06 868.21 1.19 0 24,940 <br /> Affected <br /> Properties <br /> 3748 Elk River 0.25 867.45 1.20 0 22,860 <br /> Elk River— <br /> 1849 Upstream of 0.77 864.52 0.43 4 22,510 <br /> Confluence <br /> Mississippi River— <br /> 28 Upstream of 1.58 864.59 0.40 4 37,423 <br /> Confluence <br /> 29 Mississippi River— 1.97 864.93 0.37 6 37,320 <br /> Upstream <br /> Mississippi River— <br /> 27 Downstream of 1.34 863.03 0.34 4 55,590 <br /> Confluence <br /> Mississippi River— <br /> 22 Just Downstream 1.63 862.51 0.32 6 55,570 <br /> of HWY 10 Bridge <br /> File:k:\water resource eng\elk river mn\2015 dfa&map\report\report 0320.docx <br /> 5 <br /> 185 <br />