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<br /> FLOODING SOURCE FLOODWAY BASE FLOOD <br /> WATER SURFACE ELEVATION <br /> SECTION MEAN WITH I WITHOUT I] <br /> CROSS SECTION DISTANCEl WIDTH AREA VELOCITY FLOODWAY FLOODWAY DIFFERENCE <br /> (FEET) (S~UA~ (FEET PER (FEET MEAN SEA LEVEL) <br /> EET SECOND) <br /> ST. VRAIN CREEK <br /> A l08,350 190 1325 8.5 49l4.6 49l4.6 0.0 <br /> B l09,620 510 3l4l 3.6 4921. 4 4920.7 0.7 <br /> C 110,700 910 3250 3.4 4922.4 4921. 4 1.0 <br /> D 110,840 895 19l8 5.8 4922.8 4922.4 0.4 <br /> E llO,960 890 2690 4.2 4923.6 4923.6 0.0 <br /> F 112, l30 915 2700 4.l 4926.8 4926.4 0.4 <br /> G 113,000 310 1911 5.3 4930.l 4929.6 0.5 <br /> H 114,l90 400 l633 6.2 4932.4 493l.9 0.5 <br /> I 114,730 400 lO71 9.5 4933.5 4933.5 0.0 <br /> J 114,850 400 l026 9.9 4935.8 4935.8 0.0 <br /> K 114,960 400 l820 6.4 4937.0 4936.l 0.9 <br /> L 115,800 290 910 l1.2 4940.2 4940.2 0.0 <br /> M 115,900 350 l029 9.9 494l.2 494l.2 0.0 <br /> N 116,020 480 1300 7.8 4943.4 4942.4 1.0 <br /> 0 116,630 l50 940 lO.8 4945.2 4945.2 0.0 <br /> p 116,730 l50 lO12 lO.l 4945.9 4945.8 O.l <br /> Q 11 7,470 230 l566 6.5 4947.9 4947.9 0.0 <br /> R 117,920 260 l4l5 7.2 4948.5 4948.4 O.l <br /> S 118,050 220 l58l 6.4 4948.9 4948.4 0.5 <br /> T 119,330 650 2142 4.8 4950.9 4950.8 O.l <br /> ~eet Above Mouth <br />-t DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT FlOODWAY DATA <br />:. Fed...llnsurance Administration <br />m CITY OF LONGMONT, CO <br />,... <br />,., S1. 'RAil CREEl <br />- IBOULDER CO.) <br /> <br />,. <br />