|
<br />BASE FLOOD
<br />WATER SURFACE ELEVATION
<br />
<br />INCREASE
<br />
<br />I
<br />
<br />I WITH
<br />FLOOOWA Y
<br />(FEET NG\lD)
<br />
<br />WITHOUT
<br />FLOODWA Y
<br />
<br />I
<br />
<br />REGULATORY
<br />
<br />MEAN
<br />VELOCtlY
<br />(fEET PER
<br />SECOND)
<br />
<br />FLOODWA Y
<br />
<br />Sf CTION
<br />AREA
<br />(SQUARE
<br />FEET)
<br />
<br />WIDTH
<br />(FEET)
<br />
<br />FLOODING SOURCE
<br />
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />
<br />6,005.9
<br />6,034.9
<br />6,061.4
<br />6,091.5
<br />
<br />6,005.9
<br />6,034.9
<br />6,061.4
<br />6,091.5
<br />
<br />6,005.9
<br />6,034.9
<br />6,061.4
<br />6,091.5
<br />
<br />9.3
<br />9.8
<br />8.9
<br />10.2
<br />
<br />228
<br />205
<br />215
<br />172
<br />
<br />75
<br />61
<br />69
<br />48
<br />
<br />OIST ANCE
<br />
<br />38,3451
<br />38,9751
<br />39,5251
<br />40,1351
<br />
<br />CROSS SECTION
<br />
<br />Fourmile Canyon
<br />Creek (Cont'd)
<br />AY
<br />AZ
<br />BA
<br />BS
<br />
<br />0.8
<br />0.3
<br />0.0
<br />0.8
<br />0.0
<br />0.5
<br />0.9
<br />0.3
<br />0.9
<br />0.4
<br />0.3
<br />
<br />5,219.3
<br />5,230.5
<br />5,243.9
<br />5,251.0
<br />5,262.9
<br />5,265.2
<br />5,269.8
<br />5,275.5
<br />5,282.3
<br />5,288.0
<br />5,294.7
<br />
<br />5,218.5
<br />5,230.2
<br />5,243.9
<br />5,250.2
<br />5,262.9
<br />5,264.7
<br />5,268.9
<br />5,275.2
<br />5,281.4
<br />5,287.6
<br />5,294.4
<br />
<br />5,218.5
<br />5,230.2
<br />5,243.9
<br />5,250.2
<br />5,262.9
<br />5,264.7
<br />5,268.9
<br />5,275.2
<br />5,281.4
<br />5,287.6
<br />5,294.4
<br />
<br />2.3
<br />4.9
<br />3.9
<br />3.8
<br />0.2
<br />5.2
<br />3.0
<br />8.5
<br />4.9
<br />8.4
<br />3.6
<br />
<br />521
<br />247
<br />300
<br />275
<br />582
<br />183
<br />315
<br />113
<br />168
<br />44
<br />103
<br />
<br />4
<br />
<br />308
<br />249
<br />581
<br />150
<br />042
<br />200
<br />194
<br />51
<br />59
<br />20
<br />56
<br />
<br />1
<br />
<br />4,1102
<br />5,2202
<br />6,1052
<br />6,1852
<br />7,4752
<br />8,5152
<br />8,9402
<br />9,4502
<br />9,9502
<br />10,4902
<br />11,0252
<br />
<br />Gay Reservoir
<br />Channel
<br />A
<br />B
<br />C
<br />D
<br />E
<br />F
<br />G
<br />H
<br />I
<br />J
<br />K
<br />
<br />0.1
<br />0.0
<br />0.0
<br />0.0
<br />
<br />5,297.5
<br />5,304.9
<br />5,315.1
<br />5,321.9
<br />
<br />5,297.4
<br />5,304.9
<br />5,315.1
<br />5,321.9
<br />
<br />5,297.4
<br />5,304.9
<br />5,315.1
<br />5,321.9
<br />
<br />2.6
<br />4.1
<br />3.0
<br />4.7
<br />
<br />171
<br />108
<br />145
<br />93
<br />
<br />138
<br />213
<br />252
<br />94
<br />
<br />9603
<br />1,4053
<br />1,8003
<br />2,1603
<br />
<br />Gay Reservoir
<br />Channel North
<br />Tributary
<br />A
<br />B
<br />C
<br />D
<br />
<br />Above Confluence With Big Dry Creek
<br />
<br />2Feet
<br />
<br />Above Confluence With Boulder Creek
<br />
<br />IFeet
<br />
<br />Above Confluence With Gay Reservoir Channel
<br />
<br />3Feet
<br />
<br />FLOODWAY DATA
<br />
<br />FOURMILE CANYON CREEK - GAY RESERVOIR CHANNEL -
<br />GAY RESERVOIR CHANNEL NORTH TRIBUTARY
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />
<br />BOULDER COUNTY, CO
<br />AND INCORPORATED AREAS
<br />
<br />T
<br />A
<br />B
<br />l
<br />E
<br />5
<br />
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