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<br /> FLOODING SOURCE FLOODWA Y BASE FLOOD <br /> WATER SURFACE ELEVATION <br /> SECTION MEAN REGULA TORY I WITHOUT I WITH I INCREASE <br /> OIST ANCE 1 WIDTH AREA VELOCITY flOODWA Y flOODWA Y <br /> CROSS SECTION (FEET) (SQUARE (FEET PER <br /> FEET) SECOND) (FEET NG\lD) <br /> Coal Creek <br /> (Vicinity of <br /> Lafayette) <br /> A 65,300 211 1,456 2.92 5,142.5 5,142.5 5,143.5 1.0 <br /> B 66,210 540 2,545 1.62 5,145.3 5,145.3 5,146.3 1.0 <br /> C 66,600 349 1,691 \2.43 5,147.9 5,147.9 5,148.9 1.0 <br /> D 67,210 230 913 4.50 5,152.6 5,152.6 5,153.6 1.0 <br /> E 71,760 960/6902 3,048 1.35 5,187.4 5,187.4 5,188.4 1.0 <br /> F 72,960 196 1,047 4.12 5,194.6 5,194.6 5,195.6 1.0 <br /> G 76,870 113 664 6.08 5,232.9 5,232.9 5,233.9 1.0 <br /> H 78,140 151 883 4.58 5,245.6 5,245.6 5,246.6 1.0 <br /> I 79,990 194 903 4.47 5,257.5 5,257.5 5,258.5 1.0 <br /> Coal Creek <br /> (Vicinity of <br /> Superior) 150/1303 <br /> A 102,160 763 4.95 5,491.0 5,491.0 5,492.0 1.0 <br /> IFeet Above Mouth 2Width/Width Within Study Area Limits 3Left Channel/Right Channel <br />T FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA <br />A <br />B BOULDER COUNTY, CO <br />L <br />E AND INCORPORATED AREAS COAL CREEK~VICINITY OF LAFA VETTE}- <br />5 COAL CREE (VICINITY OF SUPERIOR <br />