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<br /> FLOODING SOURCE FLOODWAY BASE FLOOD
<br /> WATER SURFACE ELEVATION
<br /> 1 SECTION MEAN , I WITHOUT" I WITH I
<br /> WIDTH AREA VELOCITY REGULATORY FLOODWAY FLOODWAY INCREASE
<br />CROSS SECTION DISTANCE (FEET) (sQU~ (FEET PER
<br /> FEET SECOND) (FEET NGVD)
<br />spring Gulch
<br /> A 1,620 80 81 4.3 4,933.5 4,933.5 4,933.5 0.0
<br /> B 1,930 70 81 4.3 4,934.3 4,934.3 4,934.3 0.0
<br /> C 2,180 40 81 4.3 4,935.0 4,935.0 4,935.0 0.0
<br /> D 3,670 50 567 6.3 4,956.1 4,956.1 4,956.1 0.0
<br /> E 3,920 140 614 5.8 4,957.2 4,957.2 4,957.2 0.0
<br /> F 4,370 125 522 6.8 4,958.9 4,958.9 4,958.9 0.0
<br /> G 4,790 140 541 6.6 4,960.6 4,960.6 4,960.6 0.0
<br /> H 5,000 210 769 4.6 4,962.3 4,962.3 4,962.3 0.0
<br /> I 5,100 215 912 3.7 4,962.8 4,962.8 4,962.8 0.0
<br /> J 5,210 220 711 4.7 4,962.8 4,962.8 4,962.8 0.0
<br /> K 5,640 225 698 4.8 4,966.0 4,966.0 4,966.0 0.0
<br /> L 5,760 190 850 3.9 4,967.6 4,967.6 4,967.6 0.0
<br /> M 5,990 255 1,002 3.3 4,968.3 4,968.3 4,968.3 0.0
<br /> N 6,320 245 745 4.5 4,970.2 4,970.2 4,970.2 0.0
<br /> 0 7,390 335 986 3.4 4,975.6 4,975.6 4,976.1 0.5
<br />.. "",.. -.... P ......T,!i;t() 500 634 5.3 4,976.7 4,976.7 4,976.9 0.2
<br />.~_..,""- ......... --..... ......... .................. I
<br /> Q 7,680 555 2,155 1.6" 4;980;0 .. .4;980~ 0 4,9S0~O' ..O.~O . ... ...........
<br /> R 8,230 370 1,133 3.0 4,980.3 4,980.3 4,980.3 0.0
<br /> S 8,720 2552 528 6.2 4,981.8 4,981.8 4,981.8 0.0
<br /> T 9,754 1152 503 6.2 4,988.5 4,988.5 4,988.7 0.2
<br /> U 9,956 53 272 11.4 4,988.9 4,988.9 4,989.2 0.3
<br /> V 10,197 38 275 11.3 4,990.5 4,990.5 4,991.2 0.7
<br /> W 10,416 74 596 5.2 4,991. 8 4,991.8 4,992.5 0.7
<br /> X 10,610 82 487 6.4 4,993.7 4,993.7 4,994.3 0.6
<br />
<br />1
<br />Feet Above Mouth
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />
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<br />
<br />CITY OF LONGMONT, CO
<br />(BOULDER CO.1
<br />
<br />2This Width Extends Beyond Corporate Limits of Longmont
<br />
<br />FLOODWAY DATA
<br />
<br />SPRING GULCH
<br />
<br />.. .
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