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<br />FloodinR Source and Location <br /> <br />Big Dry Creek <br />At West l20th Avenue <br /> <br />Boulder Creek <br />At Confluence With <br />.. Fourmile Canyon Creek <br />At Valmont Drive <br />At 28th Street <br />At County Road 54 <br /> <br />w <br />00 <br /> <br />Canyon Boulevard OVerflow <br />At Broadway <br /> <br />Boulder High School Overflow <br />At 1.7th Street <br /> <br />Boulder Creek (Right Bank Overflow) <br />Approximately <br />800 Feet Upstream of <br />. Foothills Parkway <br /> <br />South Boulder Creek <br />At Confluence With Boulder. Creek <br /> <br />Brandywine Creek <br />Confluence With <br />Nissen Reservoir Channel <br /> <br />City Park Channel <br />Upstream of Cross Section A <br /> <br />City Park Channel South Tributary <br />Above Confluence With City <br />Park Channel <br /> <br />--IData Not Available <br /> <br />Table 4. Summary of Discharges <br /> <br />Drainage Area <br />(Square Miles) <br /> <br />41.2 <br /> <br />__1 <br />__1 <br />__1 <br />__1 <br /> <br />1. <br /> <br />1. <br /> <br />--1 <br /> <br />132.0 <br /> <br />0.42 <br /> <br />5.68 <br /> <br />__1 <br /> <br />Peak Discharges (Cubic Feet per Second) <br />10-Year 50-Year 100-Year 500-Year <br /> <br />4,900 <br /> <br />3,650 <br />3,450 <br />2,200 <br />350 <br /> <br />2,060 <br /> <br />88 <br /> <br />770 <br /> <br />360 <br /> <br />8,700 <br /> <br />10,100 <br />9,200 <br />7,800 <br />1,560 <br /> <br />1. <br /> <br />1. <br /> <br />1. <br /> <br />1. <br /> <br />I <br /> <br />1,609 <br /> <br />4,980 <br /> <br />211 <br /> <br />1,300 <br /> <br />650 <br /> <br />10,200 <br /> <br />14,400 <br />13,000 <br />8,000 <br />2,340 <br /> <br />2,430 <br /> <br />1.,71.0 <br /> <br />2,523 <br /> <br />6,630 <br /> <br />262 <br /> <br />1,550 <br /> <br />800 <br /> <br />12,000 <br /> <br />29,600 <br />23,000 <br />20,600 <br />4,770 <br /> <br />11 ,469 <br /> <br />11,500 <br /> <br />489 <br /> <br />2,250 <br /> <br />1,200 <br /> <br />1. <br /> <br />REVISED DATA <br /> <br />1. <br /> <br />REViSED 10 <br />REflECl lOM <br />OllEDJUN 1 41995 <br />