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<br />." <br /> <br /> Table l. Summary of Discharges <br /> Drainage Area Peak Discharges (cfs) <br /> Flooding Source and Location (Square Miles) 10-Year 50-Year 100-Year 500-Year <br /> Dry Creek No. 1 <br /> Above Confluence With Steele Lakes 1 <br /> Tributary 271 674 987 1,872 <br /> Above Confluence With Clover Basin 1 <br /> Tr ibutary -- 568 1,268 1,726 3,112 <br /> Below State Highway 119 1 260 330 350 415 <br /> Lefthand Creek <br /> At Mouth 72 520 2,480 4,610 10,320 <br /> St. Vrain Creek (Vicini ty <br /> of Longmont) <br /> At Mouth 924 5,350 12,120 16,520 40,080 <br />t-' <br />'" <br /> Spring Gulch 1 <br /> At Mouth 1,950 3,150 3,650 4,200 <br /> <br />~ata Not Available <br />