|
<br />FLOODING SOURCE FLOODWAY 1-PERCENT ANNUAL CHANCE FLOOD
<br /> WATER SURFACE ELEVATION
<br /> SECTION MEAN WITHOUT WITH
<br />CROSS SECTION DIST ANCE1 WIDTH AREA VELOCITY REGULATORY FLOODWAY FLOODW A Y INCREASE
<br /> (FEET) (SQUARE (FEET PER (FEET NAVD) (FEET NAVD) (FEET NA VD) (FEET)
<br /> FEET) SECOND)
<br />BIG THOMPSON
<br />RIVER
<br />A 83,860 915 2,912 3.9 4,811.7 4,811.7 4,811 ~9 0.2
<br />B 84,705 820 3,224 3.6 4,812.8 4,812.8 4,813.3 0.5
<br />C 86, 140 695 1 ,859 6.2 4,815.4 4,815.4 4,815~5 0.1
<br />D 86,625 905 2,771 4.2 4,817.6 4,817.6 4,817.6 0.0
<br />E 87,365 825 3,538 3.3 4,819.0 4,819.0 4,819.0 0.0
<br />F 88, 175 4902 2,215 5.2 4,819.8 4,819.8 4,820.2 0.4
<br />G 88,945 5202 2,412 4.8 4,821 .0 4,821.0 4,821 .8 0.8
<br />H 89,820 6852 3,417 3.4 4,822.2 4,822.2 4,823.1 0.9
<br />I 91 ,965 8552 3,755 3.1 4,824.3 4,824.3 4,824.6 0.3
<br />J 92,805 1 , 1282 2,836 4.1 4,825.0 4,825.0 4,825.2 0.2
<br />K 95,555 1 ,8302 4,413 2.6 4,828.2 4,828.2 4,828.3 0.1
<br />L 95,645 1 ,7252 4,503 2.6 4,828.4 4,828.4 4,829.6 0.2
<br />M 96,850 7602 2,242 5.1 4,829.4 4,829.4 4,829.6 0.2
<br />N 98,100 96Cf 3,405 3.4 4,831.5 4,831.5 4,832.5 1.0
<br />0 98,850 1 ,0302 3,256 3.5 4,833.2 4,833.2 4,833.8 0.6
<br />P 101 , 125 9052 2,950 3.9 4,836.1 4,836.1 4,836.7 0.6
<br />Q 101,775 6252 2,828 4.1 4,837.0 4,837.0 4,837.8 0.8
<br />R 102,655 5452 2,656 4.3 4,838.0 4,838.0 4,839.0 1.0
<br />S 103,415 4752 2,521 4.6 4,839.3 4,839.3 4,840.3 1.0
<br />T 104,065 58<J2 2,741 4.2 4,840.6 4,840.6 4,841.6 1.0
<br />U 104,910 7452 2,701 4.3 4,842.5 4,842.5 4,842.8 0.3
<br />V 105,840 781 2,716 4.2 4,844.1 4,844.1 4,844.1 0.0
<br />
<br />Feet Above Conf\uence WIth South Platte River
<br />20ne Foot Floodway Used
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />
<br />FLOODWAY DATA
<br />
<br />LARIMER COUNTY, CO
<br />AND INCORPORATED AREAS
<br />
<br />-t
<br />)>
<br />OJ
<br />r-
<br />m
<br />~
<br />
<br />BIG THOMPSON RIVER
<br />
|