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<br />Year <br /> <br />Date <br /> <br />Peak Flow (cfs)l <br /> <br />1936 <br />1938 <br />1942 <br />1945 <br /> <br />July 10 <br />May 15 <br />May 22 <br />May 13 <br /> <br />356 <br />226 <br />270 <br />207 <br /> <br />1Measured at U.S. Geological Survey stream gage No. 1340 located 4.5 miles <br />east of Paonia <br /> <br />The largest flow of record on Surface Creek occurred at Cedaredge <br />on May 13, 1941. The flow was 1,190 cfs and is estimated to have <br />been a IOO-year flood. Peak flows of the larger historical <br />floods on Surface Creek are shown below (References 7 and 8). <br /> <br />Year Date Peak Flow (cfs)! <br />1920 May 24 715 <br />1922 May 15 660 <br />1929 May 15 652 <br />1932 May 15 686 <br />1937 May 10 650 <br />1941 May 13 1,190 <br />1944 May 16 622 <br /> <br />IMeasured at u.s. Geological Survey stream gage No. 1435 located at Cedaredge <br /> <br />On Cedar Run, thunderstorms are the principal cause of flooding <br />because the drainage area is at a lower elevation and is not <br />subject to heavy snows. <br /> <br />Photographs of various flooding conditions near Delta County are <br />shown in Figures 2 through 10. <br /> <br />2.4 Flood Protection Measures <br /> <br />Flows in the Gunnison River basin are regulated primarily by the <br />following reservoirs which aggregate 1,208,800 acre-feet of <br />multiple-purpose storage: <br /> <br /> Drainage <br /> Capacity Area <br />Name Stream Location (acre/feet) (sQuare miles) <br />Taylor Park Taylor River Above Almont 106,000 254 <br />Reservoir (Gunnison County) <br />Blue Mesa Gunnison River Near Sapinero 940,800 3,425 <br />Reservoir (Gunnison County) <br />Morrow Point Gunnison River Near Cimarron 117,000 --1 <br />Reservoir (Montrose County) <br /> <br />10 <br />