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<br /> BASE FLOOD
<br />FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION
<br /> SECTION MEAN ., WITHOUT. 1 , WITH ,
<br />CROSS SECTION DISTANCE 1 WIDTH AREA VELOCITY REGULATORY FLOODWAY FLooDWAY INCREASE
<br />(FEET) ( SQUARE (FEET PER
<br /> FEET) SECOND) (FEET NGVD)
<br />Dry Gulch Creek
<br />A 3,745 27 132 9.1 6,690.1 6,690.1 6,691.1 1.0
<br />B 3,795 44 206 5.8 6,690.4 6,690.4 6,690.5 0.1
<br />C 3,845 33 114 10.5 6,690.9 6,690.9 6,690.9 0.0
<br />D 3,940 35 124 9.6 6,691.9 6,691.9 6,692.2 0.3
<br />E 4,035 37 156 7.7 6,693.9 6,693.9 6,693.9 0.0
<br />F 4,634 35 115 10.4 6,721.0 6,721.0 6,721.0 0.0
<br />G 4,990 44 126 9.5 6,729.1 6,729.1 6,730.0 0.9
<br />H 5,825 15 92 13.1 6,746.8 6,746.8 6,747.8 1.0
<br />I 6,665 13 90 13.3 6,775.6 6,775.6 6,776.4 0.8
<br />J 7,265 17 91 13.2 6,794.2 6,794.2 6,794.4 0.2
<br />K 8,045 12 81 14.8 6,824.4 6,824.4 6,824.5 0.1
<br />L 9,070 19 100 12.1 6,873.2 6,873.2 6,873.6 0.4
<br />Lightner Creek
<br />A 251 31 256 16.4 6,490.6 6,490.6 6,490.6 0.0
<br />B 276 333 1,050 4.0 6,497.0 6,497.0 6,497.0 0.0
<br />C 325 375 2,422 1.7 6,497.5 6,497.5 6,497.8 0.3
<br />D . 500 152 1,664 2.5 6,497.6 .6,497.6 6,497.9 0.3 .
<br />E 910 214 1,369 3.1 6,498.5 6,498.5 6,499.1 0.6
<br />F 1,806 37 270 15.5 6,511.9 6,511.9 6,512.0 0.1
<br />G 3,000 275 708 5.9 6,536.8 6,536.8 6,536.8 0.0
<br />H 3,306 37 337 12.5 6,543.0 6,543.0 6,543.1 0.1
<br />I 3,550 50 569 7.4 6,546.2 6,546.2 6,546.2 0.0
<br />J 4,290 164 549 7.7 6,553.8 6,553.8 6,554.0 0.2
<br />K 5,180 56 477 8.8 6,571.4 6,571.4 6,571.9 0.5
<br />L 5,310 502 1,681 2.5 6,576.2 6,576.2 6,576.2 0.0
<br />M 5,430 229 1,144 3.7 6,578.3 6,578.3 6,578.6 0.3
<br />N 5.550 140 897 4_7 coon .. " oon A " ~'" ? n "
<br />
<br />1
<br />Feet Above Mouth
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />Federal I nsurance Administration
<br />
<br />FlOODWAY DATA
<br />
<br />-l
<br />>-
<br />IllCI
<br />r-
<br />....
<br />....
<br />
<br />LA PLATA COUNTY, CO
<br />(UNINCORPORATED AREASl
<br />
<br />DRY GULCH CREEK-LIGHTNER CREEK
<br />
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