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<br /> Table 2. Summary of Discharges <br /> Drainage Area Peak. Discharges (Cubic Feet per Second) <br /> Flooding Source and Location ( SQuare Miles) 10-Year 50-Year 100-Year 500-Year <br /> Colorado River <br /> Above Confluence With <br /> Gunnison River 8,800 32,900 44,400 49,300 61,000 <br /> Below Confluence With <br /> Gunnison River 17 ,000 50,600 73,100 83,700 111,400 <br /> Gunnison River <br /> Near Grand Junction 7,928 17 , 700 28,700 34,400 50,400 <br /> Indian Wash <br /> At Upstream Corporate Limits 11.6 400 1,000 1,260 2,350 <br /> At 28 Road and Orchard Avenue 12.2 4601 5301 5501 6901 <br />0- At Grand Avenue 13.4 4601 6801 7001 7501 <br /> Above Confluence With <br /> 29t Road Channel <br /> (at U.S. Highways 6 and 24) 13.5 650 820 820 1,050 <br /> Below Confluence With <br /> 29t Road Channel 15.3 5401 7801 8901 1,3301 <br /> Leach Creek. <br /> At H Road 12 400 1,150 1,750 4,200 <br /> Below 26 Road 2 350 1,150 1,700 4,110 <br /> Below G and 20t Road 2 325 600 1,325 1,425 <br /> Horizon Drive Channel <br /> At 26 Road 4.2 290 360 385 435 <br /> <br />lReductions in Flood Flows Caused by Sheet flow Diversions From the Channel <br />2Flows Determined by Routing Procedures, Areas Not Determined <br />