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RITSCHARD DAMEMERGENCY ACTION PLANDam Failure Inundation Map <br />M <br />a <br />p <br /> <br />S <br />h <br />e <br />e <br />t <br /> <br />2 <br />1 <br />M <br />A <br />T <br />C <br />H <br />L <br />I <br />N <br />E <br />M <br />a <br />p <br /> <br />S <br />h <br />e <br />e <br />t <br /> <br />2 <br />2 <br />M <br />a <br />p <br /> <br />S <br />h <br />e <br />e <br />t <br /> <br />2 <br />2 <br />M <br />AT <br />C <br />H <br />L <br />I <br />N <br />E <br />M <br />a <br />p <br /> <br />S <br />h <br />e <br />e <br />t <br /> <br />2 <br />3 <br />Garfield/Mesa County Boundary155.3 Miles Downstream of Ritschard DamMaximum Flow Rate (cfs) = 84,023Maximum Water Surface Elevation (ft) = 4,976Maximum Stage (ft) = 22Flood Wave Arrival Time (hr:min) = 30:06Time to Peak Flood Stage (hr:min) = 34:30 <br />Interstate I-70 Crossing159.1 Miles Downstream of Ritschard DamMaximum Flow Rate (cfs) = 83,799Maximum Water Surface Elevation (ft) = 4,930Maximum Stage (ft) = 17Flood Wave Arrival Time (hr:min) = 31:11Time to Peak Flood Stage (hr:min) = 35:20 <br />Garfield County <br />Mesa County <br />De Beque, CO160.9 Miles Downstream of Ritschard DamMaximum Flow Rate (cfs) = 83,683Maximum Water Surface Elevation (ft) = 4,911Maximum Stage (ft) = 16Flood Wave Arrival Time (hr:min) = 31:40Time to Peak Flood Stage (hr:min) = 35:45 <br />Colorado River <br />DE BEQUE <br />123465789 <br />11 1012 <br />15 14 13 <br />161718192021222324 <br />32 31 <br />25 <br />30 <br />33 <br />26 <br />29 <br />2728Grand Junction <br />£¤6 <br />£¤24 <br />£¤40 <br />§¨¦70 <br />Job No. 1794.00 Map Sheet 22q0157.5 Miles <br />MAY 2012 <br />q02,0001,000 Feet <br />Flood KeyWolford Mountain Reservoir <br />Notes: The base map is the latest aerial photograph imagery available athttp://services.arcgisonline.com as of April 2012. <br />The flood inundation information shown is based on a computer simulated failureof Ritschard Dam during a Inflow Design Flood plus Dam Failure. The floodinundation information shown should be used as a guideline only. Actual floodingconditions will vary depending on actual conditions during a flood emergency. <br />Flood Inundation Limits (IDF-plus-breach) <br />MESA COUNTY <br />EAGLE COUNTY <br />GARFIELD COUNTY <br />Rifle Glenwood Springs