|
<br />10-Year
<br />
<br />,
<br />Cross ---;-------;--~--~---- .----- -,-----------
<br />Section ! . Thalweg! Discharge Discharge
<br />Number. i Station i 'Elev.! (cfs) Elev. (cfs)
<br />-25El~~__ ...__:35+68 ,___" 54452~__~__JlO(;__~(;113 1517
<br />4143 <t_1_+43 '--___55~1:<J_c ______El~5____~~5.2.1 1517
<br />4770-~-- 47+70' 5560.0 ! 805! 5562~2--n- , 1517
<br />5233 52+-33 5566.'0-;----;---a()5T 5569.3-----. 1517
<br />- 5658 --- - 56+58 '''--, 5570,0 - "-T-- 765---;--5575.4. ; 1491
<br />- 6082----. 60+82 -T5576.0--'-- T --765-- ; 5582,~-'-1491
<br />_. -L_____
<br />_ 651'- , 65+11. i 5584,0 : 754 ; 5590.0 , 1485
<br />_6927~_L_ 69..+~i:~T - ! 55~(3:i~_J-:-!5~:l_513()07-r- 1485
<br />7147 71+47" 5601,1' .: 826 ! 5608~8" 1723
<br />7491 '. 74+91 5664.0~--n, -'-826---;-5608.8-- 1 1723
<br />-.2593,-1' i 75+93 _ ...' 56220 _n~n~ 826 nL 5623}--1723
<br />7870 78+70 ' 5620,0 '826' 5623,8-- 1723
<br />=:8134 ... '81+34' 1 5620~iJ .,. '---826-'-' 56238--, 1723
<br />8596- -- ,85+961 -~63-20 ' '---826"- 5634,8---'- 1723
<br />---- ------;----------'---_______~~___"__________ ___ __________,_________ ,n,___
<br />8897 i 1 88+97 1 5640,0 826 5641,8-.----- 1723
<br />-9'185-'1'-;"91+85 , -'''-. 5646:O~-'- ,. 755-- 5650,5---- , 1591
<br />.... 92_0ar-t 92+01i T-"564-6:0 ----755 5652,0--'--1591--
<br />9235'i~2+35-' 5646,O--------ysS 5654.4 1591
<br />'9605'.,L_ 1 96+0~__ 5656,0-' 755- 5657.-4_-,- 1591
<br />10032! ! 100+32 5662,0 755 56633' ,- 1591
<br />_____---1-_ ----,___ __________ _ _________,_
<br />10447! ,104+47 , 56680 755 5670,5 1591
<br />-10795 i '-I 107+95 L.. 56760'_:755::-'&>77T---- 1591
<br />11409 ,L114+09j__L568ElJl.' 726 5693,0 1526
<br />11624 i 116+24 5693,3 , 726 5696,8 1526
<br />-'{1835 I 118+35-~- 5702.3' .,--- 726"--- 5708,8 1526
<br />'12324 i ---1123+24 [5714,0 726 5714,7 1526
<br />-12725 1 127+25 ,__ 5724Q_-=,~__-='_7~6.,- 5726,1 ~~_;
<br />,_1~~,--.__ 131+82 5738,0 ',__e_ _!~~.?~9,6___ 1526'
<br />13688 ' 136+88 1 5742,0 ' 726, 5748,1 1526
<br />14161 141+61 ! 5746,0 --726-! 5751,6 1526
<br />14498 1 144+98 ' 57540-'~----726-'-i 5758,8 1526
<br />L
<br />1488~_.. 148+86 i 5764,O~____ 604 5771,1 1386
<br />15230' i 152+30 ; 5770,0 604 5776,7 1386
<br />15800 158+00 I 5792,0 '---'-604 - 5793,8 1386
<br />15964 159+64 1 5798,0 604 5810,2 1386
<br />16135 161+35 1 5800~O:=--_=-~~__ 604.__ 5810,2 1386
<br />16511 ; 165+11 5820,0. _'_, _ 604 5822,7_--L. 1386
<br />-'16885----' 168+85 I ,5828,0 604 5833,8 1386
<br />--T7239 172+39---r----. 5838.0 -------0-.. 604 5843.3 1386
<br />17630 ~-"176+30 ; 5848.0---'-' 604 5855,0 1386
<br />17950 ---- , 179+50 5860.0 604 5862,9 1386
<br />-18040---'-'180+40 5869.4 604 5875,1 1386
<br />18275 182+75 i 5877.4 604 5879.3 1386
<br />18325 183+25- 5879.5 "--664---5888,6- 1386
<br />18700 187+00 5894,0 -604-----sa95,8~ 1386
<br />
<br />(1) Ch.a;;Il~-,-iJefo.c.i.tl_=__~~=~_.-:--=--_=----=--==-'---:---"
<br />(2)1;;clude~I""~,,rea8where_app'li,cabi,,-,---_-,--- __
<br />(3) Looking downstream, measured in feet from centerline of channel
<br />
<br />~~--^~--
<br />
<br />TABLE 4.1
<br />- --~-------------~,--,- -- -----------.-.--
<br />LITTLE WILLOW CREEK
<br />n_.___ _
<br />FLOODPLAIN AND FLOODWAY DATA
<br />
<br />50-Year
<br />
<br />100-Year Floodplain Data-"
<br />
<br />(1) (2)
<br />Discharge; , Velocity; Width
<br />Elev. (cfs) Elev. (fps) (ft)
<br />5552,1 1881. 5552,3, 2,3 . 533
<br />555i.6-~--- "1'881----;- 5552,8 ""'--~T-163
<br />-~ :_ ------1----
<br />5562.4 1881 5662,7' 7,0 ' 191
<br />5570,7 1881 '-5571,0'" 5,7 114
<br />5576.5 1854-5577:3 -~- 10.0' 52
<br />5584,9 1854 5585.6, 8.1 42
<br />5591.7 ,- 1844 ----5592.s-;-11:7 31
<br />5602.5______.1.El4,'l T 5603,2 _j --S'.7--r-- ~_,
<br />, 5615.4 2293' 5620.5! 0,5 ' 403
<br />'5615~r'---2293-- 5620.5-: 0.5 i 388
<br />_ _________~-______1__
<br />5623,8 2293 5624.0 6,2! 322
<br />--,---
<br />5624,5 2293 5624.9 2.0 255
<br />--~-----
<br />5624,5 2293 5624.9 4.3 130
<br />5636.1 2293 5636.6 10.0 1 216
<br />'5642.4 -'229Y" 5642.6 6:81 244
<br />5650,9---------2125 5651.1'5.5 i 495
<br />5654,8 2125 5656.4--~-c-189
<br />5656,7 2125 'W57:6"-----:r:1 T' 579
<br />5657.0 2125 5657.8-' 3.4 .. 372
<br />5665,0 2125, 5665,1 3,1 262
<br />5670,6 ,--- 2125 ~ 5671.2-~~-"" 304
<br />5677.6 '---2125- 5677,6 I 6.6 245
<br />5693.3 2034; . 5694.1 6,1 -1-. 342_
<br />5698.4 __ 2034 _ 5698.4. __.22....1___7..E>..
<br />5712.3 2034 5712,9 1.4 742
<br />,',_u_ _
<br />5715,1 2034 , 5715.3 .c..,_~___,:l.1!_.._-'
<br />5726,9 2034 5727,3 4,5 186!
<br />5740.6 2034 5741.1 9,0'-105-'-+
<br />5750.3 ---:W34--"c'- 5751.2 6,5 51,
<br />5754.22034--; 5755.4 4,7 68 1
<br />5760.7 2034 5761.6 12.3 36 1
<br />5773,91840---r--s775.0 7.3 39 ~
<br />----
<br />5779.2 1840 ! 5780.3 6,2 52
<br />5794,6 ~~ 184~,_~ 5795.1 9.6 69
<br />5811,2 . 1840 ,5811.4 0,7 871
<br />5811.2 ,'=-1840 ~ 5811.<t_ 5.5 76
<br />,5824.1 '1840 5824.6 9,6 69
<br />5835.4 1840 5836.0 6,8 92
<br />I 5845.8 --'-'~1840---c'5846,5 I 10,1 77
<br />5857.0 1840 5857.71 8.4 65
<br />5865.4 1840 5866.4 I 9.0 44
<br />, 5875.7 1840 5876.2 r 2.1 281
<br />5880.4 1840 5880.9 9,1 84
<br />5889.3 1840 5889,8 1.5 289
<br />-----~--
<br />5897.0 1840 5897.5 9.7 68
<br />
<br />- -.------,---.
<br />
<br />----~------
<br />
<br />"Ioodway" Data(1TFtr'"
<br />Floodway Width (ft)
<br />,
<br />!
<br />: Velocity (3) (3) , Velocity (3) 1 (3)
<br />Elev. '(fps) Left Right Total: Elev. (fps) Left ; Right Total
<br />5552,8 i 1,3___140 _...!..5,~,_,,293 ~,,~55~,3 1.4 109 115 224
<br />5552,8 -'72---" 115' 48 ,163 . 5553,0 8,0 '-72, 48 12Q.
<br />5563,0 6.2 80 '65-i~--CS5632-~,2==--6.2,l_~_100
<br />5571.0 6,1 55'-'37 ' 92' 155"71-:0---6-:6 45 : 25 , 70
<br />L5577.6 9.2 30 22 52 --L 5577.6' 9.3 _ _ _.:3.0" 1 22 52
<br />I 5585,6 i 8.4 20 22 42 1 5585.6 8.4 20 , 22 1 42
<br />;-5592-:7" '---1'1,2'-- 15 16 31 ~ 5592.7 , 11,3----15'1 16 L_~..
<br />1 5603,2 8,9 28 ;' -25 '[''5'3'' '5603,2, 8.9 28 ! 25 1 53
<br />I 5620,5~_..2.:.4.._, _ 2_00 ,- 203 ,403- ! 56205 0.4:2001203! 403
<br />5620,5 0.4 ,290 : 98 388 '---+---s620.5_ c _~~-.-_ L.390 198! 388
<br />5624.0' On ... 6,2--- 201 '121 322 5624.0; 6,2 , 201 1 121 322
<br />---!--.__ ,_ L________~__~
<br />! 1 5624,9 1 2,0 158;-"97 255 5624.9' 2,O,_L158 L.~7._! 3~5
<br />'-T 5624.9;--4:3----,'88-;-'--42-'1'130 5624.9 4,3 '88! 42 130
<br />!5636,6-' 5,2 ; 171 .'45 ' 216 5636.6 "-s.Z--"---..,yf"--45-' 216-
<br />"I 5642,6' 6,8 i 229" ''is- '244- 5642,6 6,8 229 ___15 244
<br />--1' 5651:1-3:8'----'490' .--5.... 495 5651.1 3.8 490 5, 495
<br />I , __..n.___ _____'____
<br />I 5656.4 "-T6- 161 28 189 5656.4 7.6 161 28 189
<br />1 5657,6 --T6'" 553 26 579 ~~57~--.2.:()_.._. 553, 26 ' 579
<br />! 5657,8 3.4 340 32 372 5657,8 3.4 340 i 32 ! 372
<br />-i- 5665.1 3.3 140 90 230 ---1 5665,3 3.6 110 T-70"T1S0-
<br />'5671,2 4,0 165 110 275 5671.3 3,8 165'''1'1'6'--i75''
<br />5677.6 6,8 216 7 223 ,5678.2 47 , .216! 7 ., 223
<br />I 5694.1 4,3 260 55! 315 '1"5694.1 5,5 ----191. "55-:' 246-
<br />5698.4 ""7:6 35 43 78 5698,9 6,7 35 43 78
<br />_ I 5713.4 1,0 165__ 127 292 57.13.9 1.0 .,,_..1..6.!i___13!._T~~2
<br />1 5715.4-6:7'-'-'130. 89 219 5715.4 6,7 130 89 219
<br />! 5727.4 '4~6' 55 93 148 i 5727.4 4,6 ,_____~s.__, 93 ':_1.'18_
<br />5741.1 '9.3-' 38, 44 1 82' 5741.1 9,3 38 44 1 82
<br />5751.4 6.3 25T- 26"'--Si'''c- 5751.4 6.3.....__?~__26~
<br />5755.4-4.7"'-' 45 1 23 68 5755.4 4.7 45 ' 23 ' 68
<br />5761.6~12:l.__:_ 22 1 14 36 5761,6 12,3_.~ 22' 14 36
<br />5775,0 7,3 '201 19 39 5775,0 7.3 ,20, 19 39
<br />5780,3-62- , 35 '17 52 5780,3 6.2 i35"-17--52
<br />5795,1--9~6 50 19 69! 5795,1 9.6 i50--~. 69,
<br />5811,81:1 100 i 100 200 5812.2 1,0 100 100 200
<br />! 5811.6 4,7 30 46 76 5812.0 4.4 -'~-HC''3'O''--' 46 , 76
<br />5824.6 9.6 28 .-;----41~i~.69---;.-------,-- 5824.6 9.6 -----~- 28 41 69
<br />5836.0 6,3 75-- 17 92 5836,0 6.3 75 17, 92
<br />5846.5 8,8 36 41 77 5846.5 8.9 --36'i--4T-~ 77
<br />5857,7 7,8 30 35 65 5857.7 7,8 30 ,35 65
<br />5866.4 9,0 20 24 44 5866.4 9.0 '-20-'" 24 44
<br />5876.6 3,6 18 115 133 5877.1 I 3,2 18 115 133
<br />5880,9 8,9 12 '--72'" 84 5880,9 8.9 "J.~_ 72 84
<br />5890.2 3.1 20 102 122 5890.2 3.1 20 102 122
<br />5897.5 . '9.5"'---'" 26 42---68 5897,5 9,5 26 ' 42---- 68
<br />
<br />Floodway Data ( 0.5 Ft. )
<br />Floodway Width (ft)
<br />
<br />, ..
<br />~-~-~-~~-----
<br />
<br />------------1--
<br />
<br />".~---
<br />,
<br />
<br />, '
<br />----~---~--_. '-
<br />
<br />,
<br />-_._-~---_.
<br />
<br />! " ' ,
<br />_____L---______.___ .~__m__:_ ..___----:-___..____ .. __ _---'---__~______ __.,_._.___. ___
<br />
<br />; :
<br />.._----"~-~------~------:.----------- --~---
<br />
|