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<br />Peak Discharges (cfs) <br />50-Year 100-Year <br /> <br />Discharges <br /> <br />Summary of <br /> <br />Drainage Area <br />(Square Miles) <br /> <br />Table 2 <br /> <br />Overflow <br />Parkway <br />Street) <br />Street <br />Street <br /> <br />500-Year <br /> <br />10-Year <br /> <br />Source and Location <br /> <br />Floodin <br /> <br />1 <br /> <br />1 <br />1 <br /> <br />500 <br /> <br />200 <br />500 <br /> <br />1 <br /> <br />4 <br />3 <br /> <br />1 <br /> <br />1 <br />1 <br /> <br />1 <br /> <br />1 <br />I <br /> <br />I <br /> <br />I <br />1 <br /> <br />Avenue <br />Foothills <br />(47th <br />30th <br />28th <br /> <br />Arapahoe <br />At <br /> <br />At <br />At <br /> <br />7,500 <br />5,100 <br />5,000 <br />3.,850 <br />3,400 <br />3,000 <br /> <br />4,880 <br />3,070 <br />2,930 <br />2,210 <br />1,930 <br />1,600 <br /> <br />3,762 <br />2,360 <br />2,352 <br />1,780 <br />1,512 <br />1,190 <br /> <br />2,050 <br />1,170 <br />1,110 <br />820 <br />680 <br />480 <br /> <br />8.24 <br />5.35 <br />4.96 <br />4.34 <br />4.08 <br />3.71 <br /> <br />Boulder Creek <br />Skunk Creek <br /> <br />Creek <br />With <br />With <br /> <br />36 <br /> <br />U.S. <br />Broadway <br />Upstream Limit <br /> <br />Canyon <br />Confl uence <br />Confl uence <br />Baseline Road <br />Highway <br /> <br />Bear <br />At <br />At <br />At <br />At <br />At <br />At <br /> <br />600 <br />000 <br />600 <br />770 <br /> <br />29 <br />23 <br />20 <br />4 <br /> <br />14,400 <br />13 ,000 <br />8,000 <br />2,340 <br /> <br />,100 <br />,200 <br />,800 <br />,560 <br /> <br />10 <br />9 <br />7 <br />1 <br /> <br />3,650 <br />3,450 <br />2.200 <br />350 <br /> <br />1 <br />1 <br />1 <br />1 <br /> <br />Detailed Study <br /> <br />Creek <br /> <br />of <br /> <br />With <br />Canyon <br />Dri ve <br /> <br />Boulder Creek <br />At Con f1 uence <br />Fourmile <br /> <br />Valmont <br />28th Street <br /> <br />At <br />At <br />At <br /> <br />I-' <br />N <br /> <br />54 <br /> <br />South Boulder Creek <br />At Confluence With <br />Boulder Creek <br /> <br />County Road <br /> <br />500 <br /> <br />1 <br /> <br />11 <br /> <br />6.630 <br /> <br />4.030 <br /> <br />4.980 <br /> <br />I <br /> <br />060 <br /> <br />I <br /> <br />2 <br /> <br />132 <br /> <br />1 <br /> <br />Detailed Study <br /> <br />of <br /> <br />Dry Creek <br />At Downstream Limit <br /> <br />4)' <br /> <br />Available <br /> <br />l) <br /> <br />1 <br />Data Not <br />