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<br /> Table 2 Summary of Discharges <br /> Drainage Area Peak Discharges (cubic feet per second <br /> Floodin Source and Location ( s q. mi.) 10-Year 50-Year 10O-Year SOQ-Year <br /> Airport Creek <br /> At Confluence With Big Dry Creek 2.51 550 1,300 1,640 3,040 <br /> At Confluence With Tributary 1 1.22 370 760 920 1,540 <br /> At Upstream Limit of Detailed Study 0.43 390 690 810 1,220 <br /> North Branch Airport Creek <br /> At Confluence With Airport Creek 0.30 100 230 280 510 <br /> At Upstream Limit of Detailed Study 0.03 30 50 60 90 <br /> Rock Creek <br /> At Confluence With Coal Creek 21.6 2,870 5,350 6,690 10,240 <br /> At Dillon Road -- 1 2,820 5,240 6,500 9,840 <br /> At Denver-Boulder Turnpike 9.3 1,256 3,230 4,520 10,050 <br /> At Downstream Limit of Detailed Study -- 1 1,257 3,240 4,561 9,000 <br /> At Upstream Limit of Detailed Study -- 1 1,140 3,090 4,123 8,864 <br /> Big Dry Creek <br /> At West 120th Avenue 43.54 2,480 6,290 8,109 15,849 <br /> Gay Reservoir Channel <br />~ At Confluence With Big Dry Creek 2.60 915 1,525 1,820 2,650 <br />0 <br /> Gay Reservoir Channel North Tributary <br /> Just above Confluence With City 1 <br /> Park Channel -- 225 370 440 640 <br /> City Park Channel <br /> Upstream of Cross Section A 5.68 770 1,300 1,550 2,250 <br /> City Park Channel South Tributary <br /> Just above Confluence With City 1 <br /> Park Channel -- 360 650 800 1,200 <br /> Nissen Reservoir Channel <br /> At Confluence With Big Dry Creek 2.67 1,860 3,150 3,400 5,600 <br /> West Lake Channel <br /> At Confluence With Gay <br /> Reservoir Channel 0.74 330 520 610 850 <br /> West Lake Channel North Tributary <br /> Just above Confluence With West <br /> Lake Channel -- 1 280 415 470 630 <br /> lOata Not Available <br />