<br />BASE FLOOD
<br />WATER SURFACE ELEVATION
<br />
<br />INCREASE
<br />
<br />1
<br />
<br />I WITH
<br />FlOODWAY
<br />(FEET NGVD)
<br />
<br />WITHOUT
<br />FLOODWA Y
<br />
<br />I
<br />
<br />REGULA TORY
<br />
<br />MEAN
<br />VELOCITY
<br />(FEET PER
<br />SECOND)
<br />
<br />FLOODWA Y
<br />
<br />SECTtON
<br />AREA
<br />(SQUARE
<br />FEET)
<br />
<br />WIDTH
<br />(FEET)
<br />
<br />FLOODING SOURCE
<br />
<br />1.0
<br />0.0
<br />0-.7
<br />0.0
<br />0.0
<br />0.1
<br />0.4
<br />0.6
<br />0.4
<br />0.0
<br />0.0
<br />0.3
<br />0.3
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.6
<br />0.0
<br />0.0
<br />
<br />5,430.1
<br />5,447.5
<br />5,459.9
<br />5,467.2
<br />5,474'.8
<br />5,482.8
<br />5,501.9
<br />5,523.2
<br />5,540.2
<br />5,552.9
<br />5,580.2
<br />5,635.3
<br />5,658.1
<br />5,693.2
<br />5,715.3
<br />5,747.3
<br />5,763.1
<br />5,778.1
<br />5,821.7
<br />5,859.8
<br />5,882.1
<br />5,911.6
<br />5,932.0
<br />5,958.3
<br />5,977.4
<br />
<br />5,429.1
<br />5,447.5
<br />5,459.2
<br />5,467.2
<br />5,474.8
<br />5,482.7
<br />5,501.5
<br />5,522.6
<br />5,539_.8
<br />5,552.9
<br />5,580.2
<br />5,635.0
<br />5,657.8
<br />5,693.2
<br />5,715.3
<br />5,747.3
<br />5,763.1
<br />5,778.1
<br />5,821.7
<br />5,859.8
<br />5,882.1
<br />5,911.6
<br />5,931.4
<br />5,958.3
<br />5,977.4
<br />
<br />5,429.1
<br />5,447.5
<br />5,459.2
<br />5,467.2
<br />5,474.8
<br />5,482.7
<br />5,501.5
<br />5,522.6
<br />5,539.8
<br />5,552.9
<br />5,580.2
<br />5,635.0
<br />5,657.8
<br />5,693.2
<br />5,715.3
<br />5,747.3
<br />5,763.1
<br />5,778.1
<br />5,821.7
<br />5,859.8
<br />5,882.1
<br />5,911.6
<br />5,931.4
<br />5,958.3
<br />5,977.4
<br />
<br />4.1
<br />6.6
<br />,5.4
<br />5.8
<br />6.0
<br />4.9
<br />3.9
<br />9.5
<br />9.2
<br />5.6
<br />8.9
<br />10.1
<br />7.0
<br />8.2
<br />4.4
<br />7.4
<br />8.1
<br />8.8
<br />9.9
<br />9.0
<br />10.3
<br />7.6
<br />10.1
<br />6.1
<br />5.4
<br />
<br />946
<br />570
<br />696
<br />628
<br />608
<br />745
<br />943
<br />384
<br />381
<br />632
<br />396
<br />340
<br />488
<br />404
<br />721
<br />408
<br />372
<br />325
<br />275
<br />287
<br />240
<br />323
<br />233
<br />367
<br />412
<br />
<br />272
<br />250
<br />246
<br />271
<br />129
<br />198
<br />228
<br />139
<br />125
<br />420
<br />166
<br />100
<br />192
<br />150
<br />116
<br />147
<br />121
<br />112
<br />99
<br />79
<br />75
<br />71
<br />52
<br />93
<br />63
<br />
<br />DIST ANCE
<br />
<br />21,075
<br />21,875
<br />22,415
<br />22,795
<br />23,115
<br />23,525
<br />24,355
<br />25,275
<br />25,925
<br />26,415
<br />27,415
<br />29,195
<br />29,915
<br />30,885
<br />31,345
<br />32,295
<br />32,745
<br />33,115
<br />34,075
<br />34,925
<br />35,525
<br />36,265
<br />36,725
<br />37,205
<br />37,665
<br />
<br />CROSS SECTION
<br />
<br />Fourmile Canyon
<br />Creek (Cant'd)
<br />Z
<br />AA
<br />AB
<br />AC
<br />AD
<br />AE
<br />AF
<br />AG
<br />AH
<br />AI
<br />AJ
<br />AI{
<br />AL
<br />AM
<br />AN
<br />AO
<br />AP
<br />AQ
<br />AR
<br />AS
<br />AT
<br />AU
<br />AV
<br />AW
<br />AX
<br />
<br />IFeet
<br />
<br />Above Confluence With Boulder Creek
<br />
<br />FLOODWAY DATA
<br />
<br />ILE CANYON CREEK
<br />
<br />FOURM
<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 />
|