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<br />BASE FLOOD
<br />WATER SURFACE ELEVATION
<br />
<br />INCREASE
<br />
<br />I
<br />
<br />I WITH
<br />FLOODWA Y
<br />(FEET NGVD)
<br />
<br />WITHOUT
<br />FLOODWA Y
<br />
<br />1
<br />
<br />REGULATORY
<br />
<br />MEAN
<br />VELOCITY
<br />(FEET PER
<br />SECOND)
<br />
<br />FLOODWA Y
<br />
<br />seCTION
<br />AREA
<br />(SQUARE
<br />FEET)
<br />
<br />WIDTH
<br />(FEET)
<br />
<br />FLOODING SOURCE
<br />
<br />0.6
<br />0.5
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.3
<br />0.4
<br />0.4
<br />0.0
<br />0.0
<br />0.8
<br />0.8
<br />0.8
<br />0.0
<br />0.1
<br />0.1
<br />0.0
<br />0.2
<br />0.0
<br />0.0
<br />0.0
<br />
<br />Influence From Boulder Creek
<br />
<br />2
<br />5,237.1
<br />5,244.7
<br />5,255.4
<br />5,264.0
<br />5,270.3
<br />5,274.4
<br />5,290.8
<br />5,297.5
<br />5,307.5
<br />5,313.8
<br />5,318.8
<br />5,330.3
<br />5,335.0
<br />5 , 35 7, . 3
<br />5,370.9
<br />5,382.2
<br />5,394.9
<br />5,414.1
<br />5,440.1
<br />5,453.5
<br />5,460.8
<br />5,475.0
<br />
<br />2
<br />5,236.5
<br />5,244.2
<br />5,255.4
<br />5,264.0
<br />5,270.3
<br />5,274.4
<br />5,290.5
<br />5,297.1
<br />5,307.1
<br />5,313.8
<br />5,318.8
<br />5,329.5
<br />5,334.2
<br />5,356.5
<br />5,370.9
<br />5,382.1
<br />5,394.8
<br />5,414.1
<br />5,439.9
<br />5,453.5
<br />5,460.8
<br />5,475.0
<br />
<br />Consideraton of
<br />
<br />5,243.6
<br />5,244.1
<br />5,255.4
<br />5,264.0
<br />5,270.3
<br />5,274.4
<br />5,290.5
<br />5,297.1
<br />5,307.1
<br />5,313.8
<br />5,318.8
<br />5,329.5
<br />5,334.2
<br />5,356.5
<br />5,370.9
<br />5,382.1
<br />5,394.8
<br />5,414.1
<br />5,439.9
<br />5,453.5
<br />5,460.8
<br />5,475.0
<br />
<br />2Elevation Without
<br />
<br />9.3
<br />3.4
<br />6.7
<br />8.0
<br />7.6
<br />5.4
<br />6.5
<br />11.7
<br />7.2
<br />4.4
<br />4.8
<br />3.9
<br />3.0
<br />3.9
<br />5.3
<br />9.9
<br />9.0
<br />11.0
<br />6.6
<br />7.4
<br />6.8
<br />10.9
<br />
<br />526
<br />914
<br />460
<br />383
<br />402
<br />565
<br />145
<br />261
<br />425
<br />665
<br />616
<br />759
<br />975
<br />572
<br />419
<br />211
<br />234
<br />181
<br />277
<br />236
<br />255
<br />152
<br />
<br />93
<br />199
<br />447
<br />75
<br />93
<br />148
<br />110
<br />48
<br />66
<br />243
<br />174
<br />196
<br />288
<br />452
<br />75
<br />42
<br />82
<br />50
<br />104
<br />104
<br />47
<br />41
<br />
<br />Above Confluence With Boulder Creek
<br />
<br />0lS1 ANCE
<br />
<br />1,380
<br />2,480
<br />3,380
<br />4,260
<br />4,510
<br />4,860
<br />6,504
<br />7,380
<br />7,583
<br />8,175
<br />8,483
<br />9,420
<br />9,800
<br />11,063
<br />11,119
<br />12,320
<br />12,560
<br />13,680
<br />14,800
<br />15,170
<br />15,515
<br />15,880
<br />
<br />CROSS SECTION
<br />
<br />Bear Canyon
<br />Creek
<br />A
<br />B
<br />C
<br />D
<br />E
<br />F
<br />G
<br />H
<br />I
<br />J
<br />K
<br />L
<br />M
<br />N
<br />o
<br />p
<br />Q
<br />R
<br />S
<br />T
<br />U
<br />V
<br />
<br />IFeet
<br />
<br />FLOODWAY DATA
<br />
<br />BEAR CANYON CREEK
<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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