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Home My WebLink AboutFDP201900006 Letter of Map Revision 2023-03-10 (2)POWELLS CREEK Plan: POWELLS CREEK- Flood Profiles 3/2112003 POWELLS CREEK POWELLS CR 800- Legend --------------- a.............. EG 500-YEAR WS 500-YEAR -------- ----------- EG I 00-YEAR .................... .................... Crit 500-YEAR WS 100-YEAR 750- Crit 100-YEAR Ground .-g 700- 650- 600- 0 2000 4000 6000 8000 Main Channel Distance (ft) HEC-RAS Plan: POWELLS River: POWELLS CREEK Reach: POWELLS CR Reach River Sta Profile 0 Total Min Ch El W.S. Bev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude # Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (R/s) (sq ft) (ft) POWELLS OR 7960 100-YEAR 1350.00 780.50 786.40 786.40 786.99 0.024234 8.73 272.94 177.38 0.70 POWELLS OR 7960 500-YEAR 1980.00 780.50 795.78 795.79 0.000075 1.00 2505.46 278.88 0.05 POWELLS OR 7755 100-YEAR 1360.00 773.70 786.12 786.13 0.000142 1.20 1770.15 344.04 0.06 POWELLS OR 7755 500-YEAR 1990.00 773.70 795.78 795.78 0.000009 0.45 6492.01 597.42 0.02 POWELLS OR 7705 100-YEAR 1 13W.00 772.101 786.11 777.991 786.12 0.0000881 1.15 1998.861 343.96 0.05 POWELLS OR 7705 500-YEAR 1990.00 772.10 795.78 778.92 795.78 0.000007 0.48 6721.44 597.42 0.02 POWELLS OR 7675 Culvert POWELLS CR 7645 100-YEAR 1360.00 771.10 786.09 777.04 786.10 0.000126 1.44 2085.05 343.06 0.07 POWELLS CR 7645 500-YEAR 1990.00 771.10 795.77 778.12 795.78 0.000013 0.65 6815.02 597.38 0.02 POWELLS OR 7632 100-YEAR 1360.00 770.90 786.09 786.10 0.000126 1.48 2079.66 342.98 0.07 POWELLS OR 7632 500-YEAR 2000.00 770.901 795.77 795.78 0.000013 0.67 6810.35 597.38 0.02 POWELLS OR 7619 100-YEAR 1360.00 770.60 785.93 776.991 786.06 0.000634 3.29 519.06 337.48 0.15 POWELLS OR 7619 500-YEAR 2000.00 770.60 795.77 778.121 795.78 0.000013 0.67 6815.07 597.37 0.02 POWELLS OR 7575 Bridge POWELLS OR 7530 100-YEAR 1360.00 769.90 776.00 776.00 777.78 0.028210 11.33 147.94 216.901 0.87 POWELLS OR 7530 500-YEAR 2000.00 769.90 777.80 777.80 777.99 0.004078 5.24 805.35 256.60 0.35 POWELLS OR 7480 100-YEAR 13W.00 768.40 774.87 774.87 775.65 0.021930 9.78 318.93 187.35 0.73 POWELLS OR 7480 500-YEAR 2000.00 768.40 775.41 775.41 776.24 0.023864 10.84 424.46 203.99 0.77 POWELLS OR 7300 100-YEAR 1370.00 763.00 769.82 769.82 770.62 0.021927 9.79 318.30 188.48 0.72 POWELLS OR 7300 500-YEAR 2010.00 763.00 770.37 770.37 771.22 0.023477 10.77 430.99 210.87 0.75 POWELLS OR 7045 100-YEAR 1390.00 758.00 765.64 766.11 0.007006 6.71 396.91 161.23 0.46 POWELLS OR 7045 500-YEAR 2020.00 758.00 768.34 768.50 0.002099 4.61 950.74 250.10 0.27 POWELLS CR 6995 100-YEAR 1390.00 757.00 765.35 762.01 765.83 0.004400 5.87 274.01 151.51 0.36 POWELLS CR 6995 500-YEAR 2020.00 757.00 768.28 763.18 768.41 0.001218 3.80 1065.28 248.32 0.20 POWELLS CR 6960 Culvert POWELLS OR 6925 100-YEAR 1390.00 756.10 761.17 760.68 762.56 0.022613 9.89 160.56 306.71 0.79 POWELLS OR 6925 500-YEAR 2020.00 756.10 761.80 761.80 761.95 0.004201 4.62 880.82 313.00 0.35 HEC-RAS Plan: POWELLS River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile 0 Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude 9 Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) POWELLS OR 6875 100-YEAR 1390.00 754.60 760.45 760.45 760.94 0.024311 8.76 397.42 299.45 0.71 POWELLS OR 6875 500-YEAR 2020.00 754.60 760.91 760.72 761.36 0.022170 8.91 538.18 304.12 0.69 POWELLS CR 6490 100-YEAR 1400.00 743.00 750.34 750.34 751.36 0.022219 10.43 266.36 122.06 0.73 POWELLS OR 6490 500-YEAR 2040.00 743.00 750.98 752.17 0.025325 11.88 349.28 135.58 0.79 POWELLS OR 6120 100-YEAR 1410.00 733.00 740.24 740.24 741.16 0.021150 10.08 290.08 140.60 0.71 POWELLS OR 6120 500-YEAR 2050.00 733.00 740.61 741.92 0.030347 12.54 342.96 149.00 0.86 POWELLS OR 5735 100-YEAR 1430.00 723.00 730.03 730.03 730.82 0.020620 9.73 329.38 180.48 0.70 POWELLS OR 5735 500-YEAR 2070.00 723.00 730.50 730.50 731.41 0.024192 11.07 415.82 187.98 0.77 POWELLS OR 5190 100-YEAR 1450.00 708.50 715.73 716.94 0.023385 11.10 242.97 94.55 0.78 POWELLS OR 5190 500-YEAR 2090.001 708.50 716.68 717.90 0.022013 11.81 338.49 106.88 0.77 POWELLS OR 4885 100-YEAR 1460.00 701.20 708.61 708.61 709.79 0.023444 11.01 257.63 111.70 0.76 POWELLS OR 4885 500-YEAR 2100.00 701.20 709.34 709.34 710.66 0.025524 12.34 346.79 131.90 0.81 POWELLS OR 4210 100-YEAR 1480.00 686.70 693.09 692.87 693.59 0.019554 8.54 402.16 241.46 0.65 POWELLS OR 4210 500-YEAR 2130.00 686.70 693.72 693.31 694.17 0.017838 8.78 565.42 281.86 0.63 POWELLS OR 3550 100-YEAR 1510.00 670.50 678.44 678.44 679.57 0.022895 10.76 262.88 117.28 0.73 POWELLS OR 3550 500-YEAR 2160.00 670.50 679.17 679.171 680.40 0.024429 11.89 356.02 139.48 0.76 POWELLS OR 3334 100-YEAR 1520.00 665.20 674.97 675.07 0.002097 4.05 802.46 258.69 0.24 POWELLS OR 3334 500-YEAR 2170.00 665.20 675.67 675.79 0.002463 4.62 988.80 275.99 0.26 POWELLS OR 3284 100-YEAR 1520.00 663.90 674.87 670.39 674.99 0.001264 3.69 846.27 254.28 0.20 POWELLS OR 3284 500-YEAR 2170.00 663.90 675.53 673.60 675.68 0.001674 4.42 1019.71 272.62 0.23 POWELLS OR 3260 Bridge POWELLS OR 3236 100-YEAR 1520.00 662.20 670.00 668.38 670.41 0.005848 6.32 404.07 149.89 0.41 POWELLS CR 3236 500-YEAR 2170.00 662.20 670.92 669.42 671.34 0.005704 6.77 552.19 170.28 0.42 POWELLS CR 3186 100-YEAR 1520.00 661.50 668.38 669.62 0.026631 11.39 229.63 105.26 0.82 POWELLS OR 3186 500-YEAR 2170.00 661.50 668.93 670.45 0.031499 13.14 291.71 120.45 0.90 POWELLS OR 2860 100-YEAR 1530.00 657.30 664.03 664.31 0.009435 6.55 477.37 269.06 0.48 POWELLS OR 2860 500-YEAR 2190.00 657.30 664.04 664.92 0.008837 6.77 654.84 313.81 0.47 HEC-RAS Plan: POWELLS River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile O Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude 9 Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) POWELLS OR 2365 100-YEAR 1550.00 649.70 656.25 656.25 656.99 0.025736 9.99 353.16 205.06 0.75 POWELLS OR 2365 500-YEAR 2200.00 649.70 656.67 656.67 657.53 0.029632 11.26 443.05 220.28 0.82 POWELLS OR 1810 100-YEAR 1570.00 641.00 646.63 646.81 0.010197 5.73 554.76 392.33 0.47 POWELLS OR 1810 500-YEAR 2230.00 641.00 647.07 647.26 0.009540 5.89 735.80 431.02 0.46 POWELLS OR 1290 100-YEAR 1580.00 633.30 638.29 638.29 638.71 0.026410 8.63 410.85 416.05 0.75 POWELLS OR 1290 500-YEAR 2250.00 633.30 638.51 638.51 639.01 0.030827 9.66 507.38 446.11 0.82 POWELLS CR 1111 100-YEAR 1590.00 630.60 635.53 635.60 0.005548 4.04 854.21 709.99 0.35 POWELLS CR 1111 500-YEAR 2260.00 630.60 635.81 635.89 0.005789 4.32 1053.78 715.31 0.36 POWELLS OR 1061 100-YEAR 1590.00 629.90 635.12 634.76 635.31 0.005503 4.97 745.84 702.34 0.40 POWELLS OR 1061 500-YEAR 2260.00 629.90 635.34 635.12 635.57 0.006815 5.70 899.79 706.53 0.45 POWELLS OR 1040 Culvert POWELLS OR 1019 100-YEAR 1590.00 629.20 634.19 634.19 634.53 0.010050 6.27 594.31 701.78 0.53 POWELLS OR 1019 500-YEAR 2260.00 629.20 634.40 634.40 634.77 0.011988 7.06 738.57 706.39 0.58 POWELLS OR 969 100-YEAR 1590.00 628.40 633.01 632.75 633.15 0.011950 5.50 631.29 619.55 0.50 POWELLS OR 969 500-YEAR 2260.00 628.40 633.26 632.90 633.43 0.012154 5.80 790.15 632.99 0.51 POWELLS OR 1185 10-YEAR 1620.00 616.00 622.50 621.6 671 0014932 . 908 04.5 00 6.081 0.68 POWELLS OR 185 00A 2290.00 616. 21 625.18 0.01114 0.62 POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 07 r .07 s10 o s Legend 805 EG 500-YEAR WS 500-YEAR 800 EG 100-YEAR a Cdt 100-YEAR 795 > WS 100-YEAR m w 790 � Ground • Bank Sta 785 780 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 07 '1 i .07 800 6 6 Legend 795 EG 500-YEAR WS 500-YEAR 790 EG 100-YEAR o WS 100-YEAR 785 > Ground m w 780 Ban•k Sta 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- Flood Profiles 3/21/2003 .07 it .07 800 6 6 legend 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 .................4................. > Cdt 500-YEAR m 780 Cdt 100-YEAR .........................,......... Ground 775 Ineif • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 Railroad Ave. - Route 788 07 .07 800 6 6 legend 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C WS 100-YEAR c 0 > Cdt 100-YEAR d.................4................. w 780 Cdt 500-YEAR Ground 775 Ineff • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) 800 POWELLS CREEK Plan: 1 POWELLS CREEK- Flood Profiles 3/21/2003 _I .1 0 6 legend ---------A--------- 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 .................a................. > Cdt 500.YEAR d................................... w 780 Cdt 100.YEAR .........................r............. .................,........ Ground 775 Ineff • Bank Ste 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 J .1 800 0 6 Legend ------------- •------------- 795 EG 500-YEAR WS 500-YEAR 790 EG 100-YEAR c o WS 100-YEAR 785 > Ground m w • 780 Bank Ste 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- Flood Profiles 3/21/2003 1 _I .1 800 0 6 legend ------------- A--------- 795 At EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 ......a... ......... > Crit 500-YEAR m 780 Crit 100-YEAR . .. ... ............... - Ground 775 Ineif • Bank Ste 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 CSX Rai" 1 � 1 800 legend ---------I--------- 795 77-7 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C WS 100-YEAR c t02 785 -------------------- ..... ............a................. > Crit 500-YEAR m 780 ................................................. Crit 100-YEAR Ground 775 Ineff • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 790 Legend ------------- A--------- EG500.YEAR 785 ' WS 500-YEAR ................................... Cdt500.YEAR 780 EG 100.YEAR a WS 100-YEAR w775 +. ............... ................ Cdt100.YEAR Ground 770 A Ineif Bank• Sta 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 J L 1 r 790 6 6 Legend '------------- ------------- EG 500-YEAR 785 EG-I00.YEAR WS 500-YEAR 780 .....•_______ a Cd1500-YEAR .................................................................................................. WS 100-YEAR m w775 ...............+............. Cdt100.YEAR Ground 770 • Bank Sta 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) ip c 0 N w 1700 1800 POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 I L 6 1800 1900 2000 2100 Station (ft) ------------- •------------- EG 500-YEAR EG 100-YEAR a WS 500-YEAR ................................... Crit 100-YEAR Ground • Bank Sta 2400 Legend ------------- •------------- EG 500-YEAR WS 500-YEAR EG 100-YEAR WS 100-YEAR Ground • Bank Sta 2200 2300 2400 2500 POWELLS CREEK Plan: POWELLS CREEK- Flood Profiles 3/21/2003 .1 �''.06� .1 785 Legend ------------- A--------- 780 EG 500-YEAR WS 500-YEAR 775 ---------------------------- EG 100-YEAR +C c WS 100-YEAR np.................4................. > Crit 500-YEAR m 765 Crit 100-YEAR Ground 760 Ineif • Bank Ste 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (ff) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 Cling Lane - Route 1226 785 Legend ---------I--------- 780 EG 500-YEAR WS 500-YEAR 775 ---------------------------- EG 100-YEAR C.................4................. c Crit 500-YEAR 0 770 WS 100-YEAR m Crit 100-YEAR 765 Ground 760 Ineff • Bank Sta 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (R) ip c 0 m w ip W 1800 1900 i.1 1900 POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2001, 6 2400 2000 2100 2200 2300 2400 Station (ft) EG 100-YEAR ............. 4 ... -.. -.. -.. EG 500-YEAR WS 500-YEAR .................a................. Cdt 500-YEAR WS 100-YEAR ................................... Cdt 100-YEAR Ground Ineif • Bank Sta 2500 ------------- •------------- EG 500-YEAR ---------------------------- EG 100-YEAR WS 500-YEAR ................................... Crit 100-YEAR Ground • Bank Sta 2500 POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 r 770 0 6 Legend •------------- 765 ------------- EG 500-YEAR EG 100-YEAR 760 WS 500-YEAR c a Cdt 100-YEAR 755 > WS 100-YEAR w 750 Ground • Bank Sta 745 740 1700 1800 1900 2000 2100 2200 2300 Station (fl) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 I 1 760 U 6 Legend •------------- 755 ------------- EG 500-YEAR EG 100-YEAR 750 WS 500-YEAR a Cdt 100-YEAR 745 > WS 100-YEAR w 740 Ground • Bank Sta 735 730 1600 1700 1800 1900 2000 2100 2200 Station (fl) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 750 6 6 Legend •------------- 745 ------------- EG 500-YEAR EG 100-YEAR 740 WS 500-YEAR o Cdt 500-YEAR 735 > WS 100-YEAR m 730 ---- ----- - ---- - - --- - - __- - dt 100.YEAR Ground 725 • Bank Sta 720 1700 1800 1900 2000 2100 2200 Station (R) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 J L 1 745 6 6 Legend 740 -------500--------- EG 500.YEAR 735 EG 100-YEAR WS 500-YEAR c 730 a WS 100-YEAR 725 > Ground m w 720 ----------------•----_-_-__---_- _ __ • Bank Sta 715 710 705 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 _I 730 0 6 Legend •------------- 725 ------------- EG 500-YEAR EG 100-YEAR 720 WS 500-YEAR a Cdt 500-YEAR 715 > WS 100-YEAR m W............................. 710 ................................................................................... Cdt 100.YEAR Ground 705 • Bank Sta 700 1700 1800 1900 2000 2100 2200 Station (R) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 J L 1 710 Or 6 Legend •------------- ------------- EG 500-YEAR 705 WS 500-YEAR EG 100-YEAR 700 ........____.•_______ a Cd1500-YEAR > WS 100-YEAR m w695 ...............,.............R ....................,....,....,....,....,....,.....,....,....,....,....,....,....,....,....,....,....,....,....,.................. .................................................................... Cdt 100.YEA Ground 690 • Bank Sta 685 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (fl) ip c 0 N w POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 U �--.07 6 V 1600 1700 1800 1000 2000 2100 Station (R) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1600 1800 Station (it) 0 2000 .07 2200 -- ---- EG500.YEAR EG 100-YEAR WS 500-YEAR rdr 9nn-vcno ............................ Crit 100-YEAR Ground • Bank Sta 2200 Legend ------------- •------------- EG 500-YEAR WS 500-YEAR EG 100-YEAR WS 100-YEAR Ground • Bank Sta 2400 POWELLS CREEK Plan: POWELLS CREEK- Flood Profiles 3/21/2003 1 07 710 0 6 legend ------------- A--------- EG 500-YEAR 700 ' WS 500-YEAR ---------------------------- EG 100-YEAR 690 WS 100-YEAR a ............ a................. y..... > Crit 500-YEAR w 680 ............... ................ .. Crit 100-YEAR ..... ...................... Ground 670 A Inefff • Bank Ste 660 1400 1600 1800 2000 2200 2400 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 Jarmans Gap Rd. - Route 691 1 07 710 0 5 legend EG 500-YEAR 700 ' WS 500-YEAR ---------------------------- EG 100-YEAR 690 WS 100-YEAR a ............ a................. y..... > Crit 500-YEAR w 680 ............... ................ .. Crit 100-YEAR . .............. Ground 670 .... ...... Ineff • Bank Sta 660 1400 1600 1800 2000 2200 2400 Station (ft) F 0 m w 1400 c 0 N w POWELLS CREEK Plan: POWELLS CREEK- Flood Profiles 3/21/2003 .07 '1 6 i.1 6 ------------- A------------- EG 500-YEAR WS 500-YEAR ---------------------------- EG 100-YEAR WS 100-YEAR ..... ............ a................. Cdt 500-YEAR ................................... Cdt 100-YEAR Ground Ineif • Bank Sta 1600 1800 2000 2200 2400 Station (R) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 .07 '1. r .1 0 1600 1800 2000 2200 Station (f ) Legend ------------- •------------- EG 500-YEAR ---------------------------- EG 100-YEAR WS 500-YEAR WS 100-YEAR Ground • Bank Sta 2400 POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 .07 _�6 i.1 690 6 Legend •------------- 685 EG 500-YEAR WS 500-YEAR 680 EG 100-YEAR +C 0 675 WS 100-YEAR 670 Ground w Ba k Sta 665 ----- - ---- ------------ 660 655 1400 1600 1800 2000 2200 2400 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 1 675 0� 6 Legend •------------- 670 ------------- EG 500-YEAR EG 100-YEAR 665 WS 500-YEAR o CHI 500-YEAR 660 > WS 100-YEAR m- 655 _______ _______ _____-•_______ Cdt 100-YEAR Ground 650 • Bank Sta 645 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- Flood Profiles 3/21/2003 e L r .07 665 6 6 Legend EG 500-YEAR 660 WS 500-YEAR EG 100-YEAR 655 a WS 100-YEAR > Ground °i w 650 • Bank Sta 645 640 1600 1800 2000 2200 2400 2600 Station (R) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 .07 sss o 6 Legend EG 500-YEAR 650 EG 100-YEAR WS 500-YEAR 6455 .....•_______ `o CHI 500-YEAR > WS 100-YEAR m w640 ................................. Cdt 100-YEAR Ground 635 • Bank Sta 630 1900 2000 2100 2200 2300 2400 2500 2600 2700 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 - I( .07 6550 6 Legend ------------- I------------- EG 500-YEAR 650 WS 500-YEAR EG 100-YEAR 645 a WS 100-YEAR > Ground °i w 640 • Bank Sta 635 630 1800 2000 2200 2400 2600 2800 3000 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 1 r .07 655 6 6 Legend 650 EG 500-YEAR WS 500-YEAR 645 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 640 .................a................. > Cdt 500-YEAR d................................... w 635 Cdt 100-YEAR Ground 630 keff • Bank Sta 625 1800 2000 2200 2400 2600 2800 3000 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 Cathaross Lane 1 .07 655 0 6 Legend 650 EG 500-YEAR WS 500-YEAR 645 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 640 .................a................. > Crit 500-YEAR m 635 Crit 100-YEAR Ground 630 IneTf • Bank Ste 625 1800 2000 2200 2400 2600 2800 3000 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 .07 r .07 660 U 6 Legend ------------- I--------- 655 EG 500-YEAR --------------------------- EG 100-YEAR 650 WS 500-YEAR c 645 Crit 500-YEAR 0 WS 100-YEAR 640 w................................. Crit 100-YEAR 635 ' Ground 630 Ineff • Bank Sta 625 1600 1800 2000 2200 2400 2600 2800 3000 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 07 �. r .07 655 6 6 Legend ........................... EG 500-YEAR 650 WS 500-YEAR 645 EG 100-YEAR c WS 100-YEAR a 640 ..._______•__............. > Cdt 500-YEAR wd 635 .................+................. Cdt 100.YEAR Ground 630 • Bank Sta 625 1600 1800 2000 2200 2400 2600 2800 Station (R) POWELLS CREEK Plan: POWELLS CREEK - Flood Profiles 3/21/2003 _i _I_.06�i( .07 645 Legend 640 ------------- •------------- EG 500-YEAR WS 500-YEAR 635 EG 100.YEAR c a Cd1500-YEAR 630 > WS 100-YEAR m 625 Cdt 100-YEAR ........................... Ground • 620 Bank Sta 615 1700 1800 1900 2000 2100 2200 2300 2400 Station (fl) POWELLS CREEK Plan: POWELLS CREEK- IVIII Floodway- Final 3/21/2003 POWELLS CREEK POWELLS CR 800- Legend EG Floodway EG I 00-Year WS Floodway ws 100-year .................. .................. Crit 100-Year 750- ....................................... Crit Floodway Ground .-g 700- 650- 600- 0 2000 4000 6000 8000 Main Channel Distance (ft) HEC-RAS Plan: Ml Floodway River: POWELLS CREEK Reach: POWELLS CR Reach River Ste Profile 0 Total Min Ch El W.S. Elev Cril W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (ch) (fi) (fi) (fi) (ft) (fttft) (tea) (aQ fl) (fl) POWELLS CR 7960 100-Year 1350.00 780.50 786.40 786.40 786.99 0.024234 8.73 272.94 177.38 0.70 POWELLS CR 7960 Floodway 1350.00 780.50 786.43 786.43 787.08 0.025259 8.95 255.04 150.00 0.72 POWELLS CR 7755 100-Year 1360.00 773.70 786.12 786.13 0.000142 1.20 1770.15 344.04 0.06 POWELLS CR 7755 Floodway 1360.00 773.70 786.16 786.18 0.000236 1.56 1134.96 150.00 0.08 POWELLS CR 7705 100-Year 1360.00 772.10 786.11 777.99 786.12 0.000088 1.15 1998.86 343.96 0.05 POWELLS CR 7705 Floodway 1360.00 772.10 786.15 777.99 786.17 0.000123 1.36 1361.38 150.00 0.06 POWELLS CR 7675 Culvert POWELLS CR 7645 100-Year 1360.00 771.10 786.09 777.04 786.10 0.000126 1.44 2085.05 343.06 0.07 POWELLS CR 7645 Floodway 1360.00 771.10 786.08 777.04 786.10 0.000166 1.65 1442.33 150.00 0.08 POWELLS CR 7632 100-Year 1360.00 770.90 786.09 1 786.10 0.0001261 1.48 2079.661 342.98 0.07 POWELLS CR 7632 Floodway 1360.00 770.90 786.08 786.10 0.000165 1.69 1437.26 150.00 0.08 POWELLS CR 7619 100-Year 1360.00 770.60 785.93 776.99 786.06 0.000634 3.29 519.06 337.48 0.15 POWELLS CR 7619 Floodway 1360.00 770.60 785.93 776.99 786.06 0.000634 3.29 519.06 44.00 0.15 POWELLS CR 7575 Bridge POWELLS CR 7530 100-Year 1360.00 769.901 776.00 776.00 777.78 0.028210 11.33 147.94 216.90 0.87 POWELLS CR 7530 Floodway 1360.00 769.90 776.00 776.00 777.78 0.028117 11.32 148.12 44.00 0.87 POWELLS CR 7480 100-Year 1360.00 768.40 774.87 774.87 775.65 0.021930 9.78 318.93 187.35 0.73 POWELLS CR 7480 Floodway 1360.00 768.40 774.83 774.83 775.59 0.021634 9.66 299.16 150.00 0.72 POWELLS CR 7300 100-Year 1370.00 763.00 769.82 769.82 770.62 0.021927 9.79 318.30 188.48 0.72 POWELLS CR 7300 Floodway 1370.00 763.00 769.79 769.79 770.57 0.021224 9.61 300.03 150.00 0.70 POWELLS CR 7045 100-Year 1390.00 758.001 765.64 1 766.11 0.007006 6.71 396.91 161.23 0.46 POWELLS CR 7045 Floodway 1390.00 758.00 765.67 766.11 0.006624 6.54 374.74 120.00 0.45 POWELLS CR 6995 100-Year 1390.00 757.00 765.35 762.01 765.83 0.004400 5.87 274.01 151.51 0.36 POWELLS CR 6995 Floodway 1390.00 757.00 765.35 762.02 765.83 0.004400 5.87 274.01 44.00 0.36 POWELLS CR 6960 Culvert HEGRAS Plan: Ml Floodway River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile O Total Min Ch El W.S. Elev Cril W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (ch) (fi) (fi) (fi) (ft) (ftfft) MIS) (SQ fl) Ot) POWELLS CR 6925 100-Year 1390.00 756.10 761.17 760.68 762.56 0.022613 9.89 160.56 306.71 0.79 POWELLS CR 6925 Floodway 1390.00 756.10 762.02 760.68 762.98 0.012824 8.29 202.20 44.00 0.61 POWELLS CR 6875 100-Year 1390.00 754.60 760.45 760.45 760.94 0.024311 8.76 397.42 299.45 0.71 POWELLS CR 6875 Floodway 1390.00 754.60 761.07 761.07 762.04 0.029797 10.53 242.48 100.00 0.80 POWELLS CR 6490 100-Year 1400.00 743.00 750.34 750.34 751.36 0.022219 10.43 266.36 122.06 0.73 POWELLS CR 6490 Floodway 1400.00 743.00 750.44 750.44 751.35 0.019850 9.97 278.77 122.06 0.69 POWELLS CR 6120 100-Year 1410.00 733.00 740.24 740.24 741.16 0.021150 10.08 290.08 140.60 0.71 POWELLS CR 6120 Floodway 1410.00 733.00 740.32 740.32 741.15 0.019378 9.73 300.43 140.61 0.68 POWELLS CR 5735 100-Year 1430.00 723.00 730.03 730.03 730.82 0.020620 9.73 329.38 180.48 0.70 POWELLS CR 5735 Floodway 1430.00 723.00 730.10 730.10 730.81 0.018710 9.34 342.30 180.48 0.67 POWELLS CR 5190 100-Year 1450.00 708.50 715.73 716.94 0.023385 11.10 242.97 94.55 0.78 POWELLS CR 5190 Floodway 1450.00 708.50 715.75 716.93 0.023014 11.03 244.51 94.55 0.77 POWELLS CR 4885 100-Year 1460.00 701.20 708.61 708.61 709.79 0.023444 11.01 257.63 111.70 0.76 POWELLS CR 4885 Floodway 1460.00 701.20 708.59 709.79 0.023851 11.08 255.54 111.18 0.77 POWELLS CR 4210 100-Year 1480.00 686.70 693.09 692.87 693.59 0.019554 8.54 402.16 241.46 0.65 POWELLS CR 4210 Floodway 1480.00 6N.701 693.52 693.20 694.26 0.021825 9.49 283.13 100.00 0.70 POWELLS CR 3550 100-Year 1510.00 670.50 678.44 678.44 679.57 0.022895 10.76 262.88 117.28 0.73 POWELLS CR 3550 Floodway 1510.00 670.50 678.40 678.40 679.51 0.022760 10.68 252.54 99.75 0.72 POWELLS CR 3334 100-Year 1520.00 665.20 674.97 675.07 0.002097 4.05 802.46 258.69 0.24 POWELLS CR 3334 Floodway 1520.00 665.20 675.16 675.35 0.002771 4.72 532.50 100.00 0.28 POWELLS CR 3284 100-Year 1520.00 663.90 674.87 670.39 674.99 0.001264 3.69 846.27 254.28 0.20 POWELLS CR 3284 Floodway 1520.00 663.90 675.08 670.39 675.24 0.001465 4.02 596.37 100.00 0.22 POWELLS CR 3260 Bridge POWELLS CR 3236 100-Year 1520.00 662.20 670.00 668.38 670.41 0.005848 6.32 404.07 149.89 0.41 POWELLS CR 3236 Floodway 1520.00 662.20 670.01 668.38 670.41 0.005573 6.18 373.93 105.00 0.40 POWELLS CR 3186 100-Year 1520.00 661.50 668.38 669.62 0.026631 11.39 229.63 105.26 0.82 HEGRAS Plan: Ml Floodway River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile O Total Min Ch El W.S. Elev Cdl W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (CU) (fi) (fi) (fi) (fit) (ftfft) MIS) A fl) Ot) POWELLS CR 3186 Floodway 1520.00 661.50 668.36 669.62 0.027150 11.48 227.65 104.75 0.83 POWELLS CR 2860 100-Year 1530.00 657.30 664.03 664.31 0.009435 6.55 477.37 269.06 0.48 POWELLS CR 2860 Floodway 1530.00 657.30 664.35 664.67 0.008306 6.36 380.87 125.00 0.45 POWELLS CR 2365 100-Year 1550.00 649.70 656.25 656.25 656.99 0.025736 9.99 353.16 205.06 0.75 POWELLS CR 12365 Floodway 1550.00 649.70 656.25 657.31 0.032497 11.22 270.94 124.99 0.85 POWELLS CR 1810 100-Year 1570.00 641.00 646.63 646.81 0.010197 5.73 554.76 392.33 0.47 POWELLS CR 1810 Floodway 1570.00 641.00 647.51 646.74 647.83 0.010186 6.43 395.90 150.00 0.48 POWELLS CR 1290 100-Year 1580.00 633.30 638.29 638.29 638.71 0.026410 8.63 410.85 416.05 0.75 POWELLS CR 1290 Floodway 1580.00 633.30 638.69 638.69 639.42 0.029061 9.65 272.13 150.00 0.80 POWELLS CR 1111 100-Year 1590.00 630.60 635.53 635.60 0.005548 4.04 854.21 709.99 0.35 POWELLS CR 1111 Floodway 1590.00 630.60 636.31 636.51 0.007409 5.25 480.08 200.00 0.42 POWELLS CR 1061 100-Year 1590.00 629.90 635.12 634.76 635.31 0.005503 4.97 745.84 702.34 0.40 POWELLS CR 1061 Floodway 1590.00 629.90 636.14 634.60 636.28 0.002674 3.94 606.69 191.00 0.29 POWELLS CR 1040 Culvert POWELLS CR 1019 100-Year 1590.00 629.20 634.19 634.19 634.53 0.010050 6.27 594.31 701.78 0.53 POWELLS CR 1019 Floodway 1590.00 629.20 634.35 634.24 634.98 0.014159 7.62 329.16 188.36 0.63 POWELLS CR 969 100-Year 1590.00 628.40 633.01 632.75 633.15 0.011948 5.50 631.33 619.55 0.50 POWELLS CR 969 Floodway 1590.00 628.40 633.71 633.40 634.08 0.016489 7.25 368.63 200.00 0.61 POWELLS CR 185 100-Year 1620.00 616.00 622.50 621.63 623.71 0.014932 9.08 204.50 60.00 0.68 POWELLS CR 185 Floodway 1620.00 616.00 622.70 621.63 623.79 0.012945 8.66 216.50 60.00 0.64 POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 07 i4 .07 810 6 s Legend 805 EG Floodway EG 100-Year 800 WS Floodway C................................. o Cdt Floodway .-g 795 WS 100-Year m 790 Crit 100-Year Ground 785 Bank Sta Encroachment 780 1800 1900 2000 2100 2200 2300 Station (it) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 07 i.07 800 6 6 Legend 795 -------------------------- EG Floodway WS Floodway 790 -------------------------- EG 100-Year +C o WS 100-Year 785 > Ground m w 780 Ban*k Ste Encroachment 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (it) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 07 �.07 800 0 Legend 6 EG Floodway 795 WS Floodway 790 EG 100-Year WS 100-Year 785 Crit 100-Year ............... 4.............. m Crit Floodway W � 780 Ground ........................4.......... • Ineg 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (g) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 Railroad Ave. - Route 788 07 �.07 800 0 Legend 6 EG Floodway 795 WS Floodway 790 ------------------------ EG 100-Year WS 100-Year 785 Crit Floodway m Crit 100-Year w 780 Ground • Ineg 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (g) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 J 800 0 Legend 6 EG 100-Year 795 ....................... EG Floodway 790 WS 100-Year WS Floodway 785 Cri1100-Year ............... 4.............. m Crit Floodway W � 780 Ground • Ineg 775 Bank Sta Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 _I 1 .1 800 0 6 Legend 795 --------------------------- EG 100-Year .......................... EG Floodway 790 WS 100-Year c o WS Floodway 785 > Ground N w 780 Bank Ste Encroachment 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 J 800 0 Legend 6 EG 100-Year 795 ...........4........... EG Roodway 790 WS Floodway WS 100-Year 785 Crit Floodway m Cri1100-Year w 780 Ground • .................... Ineg 775 Bank St, Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (fl) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 CSX Rai" 1 1 800 0� Legend 2 5 - --------------- EG 100-Year 795 ----------- 4-------- EG Floodway 790 WS Floodway WS 1 Year 785 + Cri1100-Year .......... ..... 4.............. m Crit Floodway W � 780 Ground • ..... ...... Ineg 775 Bank Sta Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (fl) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 790 Legend ------------------------ EG 100-Year 785 -------•-------- EG Floodway WS Floodway ^ 780 .............-4.............. Crit Floodway c WS 100-Year y 775 rd ear Ground • Ineg 770 � Bank St, Encroachment 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1 J L 1 r 790 0 6 Legend -------------------------- EG 100-Year 785 ......................... EG Floodway ................................. Crt 1 oo-Year 780 `o WS 100-Year d........................................................a..................................... WS Floodway w775 .......... ...... a................ Crit Floodway Ground 770 • Bank Sta Encroachment 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) c c 0 m w 1700 1800 POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 I L 6 1800 1900 2000 2100 Station (ft) EG 100-Year EG Floodway ................................. Crit 100-Year WS 100-Year WS Floodway ................................. Crit Floodway Ground Bank Sta Encroachment 2400 Legend ------------`------------ EG Floodway --------------------------- EG 100-Year WS Floodway WS 100-Year Ground • Bank Ste Encroachment 2200 2300 2400 2500 POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 _I_.olpi( 78s Legend ...........4........... EG Floodway 780 EG 100-Year 775 WS Floodway WS 100-Year 770 Crit Floodway m Crit 100-Year w..................................................... 765 Ground ----A— Ineff 760 Bank St, Encroachment 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (fl) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 Cling Lane - Route 1226 1 �'O& 1 785 Legend EG 100-Year 780 ._ _ _ _ 4-_.._._.. EG Floodway 775 Crit 100-Year WS Floodway 0 770 WS 100-Year m Crit Floodway W 765 Ground • Inefi 760 Bank Ste Encroachment 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (fl) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 06)4 780- Legend ----------------------- EG Floodvmy 775 ---- ------------- EG 1 00-Year WS Floodway 770- WS 100-Year . 1 0 .......... .... I .............. Crit Floodway 765 Cril I 00-Year ----------------------- --- --- --- --- --- - a --------------------------------------------------------------------------------------------- ------------- -- -------------------------------------------------------------------------------- Ground 4 ... ... ... ----A— Ineff 760• - Bank Ste Encroachment 755 1800 1900 2000 2100 2200 2300 2400 25100 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 780-. 6 6 Legend ------------ ----------- 775 EG Floodway WS Floodway 770 .......... ..... I ................ Crit Floodway -------- ------------------ EG 100-Year .-g 765- WS 1 00-Year w 760 ................ . ................ Crit 1 00-Year Ground 755 Banek Sta Encroachment 750 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 r 770 0 6 Legend 765 EG 100-Year EG Floodway 760 WS Floodway C................................. o Crit Floodway .-g 755 WS 100-Year d W 750 .............................................................._. ................................ . Cril 100.Year Ground • 745 Bank Sta Encroachment 740 1700 1800 1900 2000 2100 2200 2300 Station (it) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 I 1 1 760 U 6 Legend 755 EG 100-Year EG Floodway 750 WS Floodway C................................. o Crit Floodway 745 > WS 100-Year m w...........................r 740- Ground • 735 Bank Sta Encroachment 730 1600 1700 1800 1900 2000 2100 2200 Station (it) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 r 750 0 6 Legend 745 EG 100-Year EG Floodway 740 WS Floodway C................................. o Crit Floodway 735 WS 100-Year m w. 730 ....................... Cril 100.arYe Ground • 725 Bank Sta Encroachment 720 1700 1800 1900 2000 2100 2200 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 745 0� 6 Legend 740 --------------------------- EG 100.Year 735 .......................... EG Floodway 730 WS Floodway c o WS 100-Year > 725 Ground m w 720 Bank Sta 715 Encroachment 710 705 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 J 1 .1 730 0 6 Legend 725 ------------`------------ EG Floodway --------------------------- EG 100-Year 720 Crit 100-Year +C o WS 100-Year 715 WS Floodway w 710 ------------------------------------------------ •------------------------ -- Ground • Bank Sta 705 700 1700 1800 1900 2000 2100 2200 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 710 U� 6 Legend ------------ ----------- EG Floodway 705 EG 100-Year WS Floodway 700 ................ a................ `oV Cdt Floodway > WS 100-Year w 695 ........................................................................................... Crit 100-Year Ground 690 • Bank Sta Encroachment 685 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) c 1600 ip 0 m w POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1700 1800 POWELLS CREEK 1600 1 6 6 1900 2000 2100 Station (ft) Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1 1800 Station (ft) 0 2000 2200 EG 100-Year EG Floodway ................................. Crit 100-Year WS 100-Year WS Floodway ................................. Crit Floodway Ground • Bank Sta Encroachment 2200 Legend ------------`------------ EG Floodway WS Floodway -------------------------- EG 100-Year WS 100-Year Ground • Bank Ste Encroachment 2400 POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 r .1 '� i.07 710 O Legend 6 EG Floodway 700 WS Floodway ------------------------ EG 100-Year 690 WS 100-Year c 0 — Crit 100-Year 680 Crit Floodway ty Ground • 670 ....4.... Ineg • Bank Sta Encroachment 660 1400 1600 1800 2000 2200 2400 Station (Tt) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 Jarmans Gap Rd. - Route 691 r .1 'I0 .07 710 Legend 5 EG Floodway 700 WS Floodway ------------------------ EG 100-Year 690 WS 100-Year c 0 - Crit 100-Year w 680 Crit Floodway Ground • ............ ... Ineg 670 � Bank Ste Encroachment 660 1400 1600 1800 2000 2200 2400 Station (fl) POWELLS CREEK Plan: POWELLS CREEK- M1Floodway- Final 3/21/2003 L .07 Lr .1 710 Q 6 Legend EG 100-Year 700 ...................... EG Floodway WS Floodway 690 WS 100-Year c 0 — Cri1100-Year w 680 Crit Floodway Ground • Ineg 670 • Bank Sta Encroachment 660 1400 1600 1800 2000 2200 2400 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 07 � 1 710 0 6 Legend ------------4------------ EG Floodway 700 EG 100-Year WS 100-Year 690 `o — WS Floodway > Ground °i w 680 • Bank Sta 670 .......................4........... 660 1400 1600 1800 2000 2200 2400 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 .07 690 6i.1 6 Legend `------------ 685 ------------ EG Floodway WS Floodway 680 ......................... EG 100-Year +C 0 675 WS 100-Year 670 Ground w • Bank Sta 665 Encroachment 660 655 1400 1600 1800 2000 2200 2400 Station (ft) POWELLS CREEK Plan: POWELLS CREEK - M1 Floodway - Final 3/21/2003 1 1 675 0� 6 Legend 670 ------------`------------ EG Floodway --------------------------- EG 100-Year 665 Crit 100-Year +C o WS 100-Year > 660 WS Floodway 655 Ground • Bank Ste 650 Encroachment 645 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1-1 1 L r .07 665 6 6 Legend -------------------------- EG Floodway 660 WS Floodway EG 100-Year 655 `o Cdt Floodway > WS 100-Year m w 650 Ground • Bank Sta 645 Encroachment 640 1600 1800 2000 2200 2400 2600 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1 .07 655 6 Legend EG Floodway 650 EG 100-Year WS Floodway �^ 645 ................................. o Cdt Floodway WS 100-Year ii w 640 _• _______ _______ _______ ________------------____ _______ _______ ......... ......... Cri1100-Year Ground 635 • Bank Sta Encroachment 630 1900 2000 2100 2200 2300 2400 2500 2600 2700 Station (ft) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1 --i i( .07 655 6 Legend ------------'------------ EG Floodway 650 WS Floodway -------------------------- EG 100-Year 645 o WS 100-Year > Ground °i w 640 • Bank Sta .......................................... Encroachment 635 630 1800 2000 2200 2400 2600 2800 3000 Station (fl) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1 r .07 655 0 6 Legend EG Floodway 650 WS Floodway 645 ------------------------ EG 100-Year WS 100-Year c0 640 .............+.............. Cri1100-Year m Cdt Floodway W � 635 ......... ............. Ground • Ineg 630 • Bank Ste Encroachment 625 1800 2000 2200 2400 2600 2800 3000 Station (fl) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 Cathaross Lane 1 .07 655 0 Legend 6 EG Floodway 650 WS Floodway 645 ------------------------ EG 100-Year WS 100-Year c O 640 Crit Floodway � m Crit 100-Year w- _____________ 635 Ground Ineg 630 • Bank St, Encroachment 625 1800 2000 2200 2400 2600 2800 3000 Station (it) POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 07 .07 660 0 Legend 6 655 EG Floodway EG 100-Year 650 WS Floodway 645 Crit Floodway c WS 100-Year 640 Crit 100-Year w Ground 635 • Ineg • 630 Bank Ste Encroachment 625 1600 1800 2000 2200 2400 2600 2800 3000 Station (it) IK IC c 0 m w 1600 1700 POWELLS CREEK 07 1800 2000 POWELLS CREEK Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 .07 2200 2400 2600 Station (ft) Plan: POWELLS CREEK- M1 Floodway- Final 3/21/2003 1800 1900 2000 2100 2200 2300 Station (ft) ------------ ----------- EG Floodway WS Floodway .......... ...... a................ Crit Floodway --------------------------- EG 100-Year WS 100-Year ................................. Crit 100-Year Ground • Bank Sta Encroachment 2800 EG Floodway -------------------------- EG 100-Year WS Floodw Ground • Bank Sta I Encroachment I 2400 Powells—Creek—Exisiting Plan: Existing 11/22/2022 PDWELLS CREEK POWELLS CR 800- Legend --------------- a.............. EG 500-YEAR WS 500-YEAR -------- ----------- EG I 00-YEAR .................... .................... Crit 500-YEAR WS 100-YEAR 750- Crit 100-YEAR Ground .-g 700- 650- 6001 0 2000 4000 6000 8000 Main Channel Distance (ft) HEC-RAS Plan: EX River: POWELLS CREEK Reach: POWELLS OR Reach Riser Sta Profile 0 Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude # Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (R/s) (sq ft) (ft) POWELLS OR 7960 100-YEAR 1350.00 780.50 786.36 786.36 786.99 0.026172 9.02 265.38 176.70 0.73 POWELLS OR 7960 500-YEAR 1980.00 780.50 795.78 795.79 0.000074 1.00 2506.92 278.91 0.05 POWELLS OR 7755 100-YEAR 1360.00 773.70 786.12 786.13 0.000142 1.20 1770.47 344.07 0.06 POWELLS OR 7755 500-YEAR 1990.00 773.70 795.78 795.78 0.000009 0.45 6495.41 597.51 0.02 POWELLS OR 7705 100-YEAR 1 13W.00 772.101 786.11 777.991 786.12 0.0000881 1.15 1998.231 343.89 0.05 POWELLS OR 7705 500-YEAR 1990.00 772.10 795.78 778.97 795.78 0.000007 0.48 6724.65 597.50 0.02 POWELLS OR 7675 Culvert POWELLS CR 7645 100-YEAR 1360.00 771.10 786.09 777.05 786.10 0.000126 1.44 2085.07 343.06 0.07 POWELLS CR 7645 500-YEAR 1990.00 771.10 795.77 778.13 795.77 0.000013 0.65 6814.04 597.35 0.02 POWELLS OR 7632 100-YEAR 1360.00 770.90 786.09 786.10 0.000126 1.48 2079.68 342.98 0.07 POWELLS OR 7632 500-YEAR 2000.00 770.901 795.77 795.77 0.000013 0.67 6809.25 597.35 0.02 POWELLS OR 7619 100-YEAR 1360.00 770.60 785.93 777.00 786.06 0.000634 3.29 519.06 337.48 0.15 POWELLS OR 7619 500-YEAR 2000.00 770.60 795.77 778.15 795.77 0.000013 0.67 6813.98 597.34 0.02 POWELLS OR 7575 Bridge POWELLS OR 7530 100-YEAR 1360.00 769.90 776.00 776.00 777.78 0.028210 11.33 147.94 216.901 0.87 POWELLS OR 7530 500-YEAR 2000.00 769.90 777.09 777.09 779.32 0.028607 12.95 194.02 241.04 0.90 POWELLS OR 7480 100-YEAR 13W.00 768.40 774.87 774.87 775.65 0.021928 9.78 318.94 187.36 0.73 POWELLS OR 7480 500-YEAR 2000.00 768.40 775.41 775.41 776.24 0.023864 10.84 424.46 203.99 0.77 POWELLS OR 7300 100-YEAR 1370.00 763.00 769.82 769.82 770.62 0.021928 9.79 318.29 188.48 0.72 POWELLS OR 7300 500-YEAR 2010.00 763.00 770.37 770.37 771.22 0.023477 10.77 430.99 210.87 0.75 POWELLS OR 7045 100-YEAR 1390.00 758.00 765.64 766.11 0.007000 6.71 397.07 161.27 0.46 POWELLS OR 7045 500-YEAR 2020.00 758.00 768.35 768.51 0.002086 4.60 953.14 250.41 0.27 POWELLS CR 6995 100-YEAR 1390.00 757.00 765.35 762.02 765.83 0.004400 5.87 274.01 151.50 0.36 POWELLS CR 6995 500-YEAR 2020.00 757.00 768.28 763.19 768.41 0.001218 3.80 1065.28 248.32 0.20 POWELLS CR 6960 Culvert POWELLS OR 6925 100-YEAR 1390.00 756.10 761.17 760.69 762.56 0.022647 9.89 160.48 306.69 0.79 POWELLS OR 6925 500-YEAR 2020.00 756.10 761.80 761.80 761.95 0.004201 4.62 880.82 313.00 0.35 HEC-RAS Plan: EX River: POWELLS CREEK Reach: POWELLS OR (Continued) Reach Riser Sta Profile O Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude 9 Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) POWELLS OR 6875 100-YEAR 1390.00 754.60 760.45 760.45 760.94 0.024311 8.76 397.42 299.45 0.71 POWELLS OR 6875 500-YEAR 2020.00 754.60 760.91 760.72 761.36 0.022351 8.94 536.66 304.07 0.69 POWELLS CR 6490 100-YEAR 1400.00 743.00 750.34 750.34 751.36 0.022219 10.43 266.36 122.06 0.73 POWELLS OR 6490 500-YEAR 2040.00 743.00 750.99 750.99 752.17 0.025042 11.83 350.95 135.84 0.79 POWELLS OR 6120 100-YEAR 1410.00 733.00 740.24 740.24 741.16 0.021150 10.08 290.08 140.60 0.71 POWELLS OR 6120 500-YEAR 2050.00 733.00 740.81 740.81 741.89 0.024884 11.58 372.92 153.56 0.78 POWELLS OR 5735 100-YEAR 1430.00 723.00 730.03 730.03 730.82 0.020617 9.72 329.40 180.48 0.70 POWELLS OR 5735 500-YEAR 2070.00 723.00 730.52 730.50 731.41 0.023522 10.95 420.39 188.37 0.76 POWELLS OR 5190 100-YEAR 1450.00 708.50 715.72 715.72 716.94 0.023744 11.16 241.38 94.33 0.78 POWELLS OR 5190 500-YEAR 2090.001 708.50 716.47 716.47 717.88 0.025999 12.58 316.08 104.12 0.83 POWELLS OR 4885 100-YEAR 1460.00 701.20 708.71 708.61 709.79 0.021453 10.63 268.66 114.40 0.73 POWELLS OR 4885 500-YEAR 2100.00 701.20 709.60 709.34 710.68 0.020682 11.36 381.20 138.92 0.73 POWELLS OR 4345 100-YEAR 1460.00 692.34 696.06 696.06 696.71 0.025490 8.18 329.18 217.91 0.82 POWELLS OR 4345 500-YEAR 2100.00 692.34 696.45 696.45 697.24 0.028369 9.35 415.30 223.82 0.89 POWELLS OR 4253 100-YEAR 1460.00 689.05 694.05 692.07 694.14 0.001981 3.14 773.06 345.28 0.25 POWELLS OR 4253 500-YEAR 2100.00 689.05 694.93 692.521 695.04 0.001997 3.52 978.41 372.37 0.26 POWELLS OR 4084 100-YEAR 1460.00 689.00 691.91 691.91 692.91 0.031398 8.66 214.52 198.05 0.91 POWELLS OR 4064 500-YEAR 2100.00 689.00 692.48 692.48 693.73 0.031807 9.85 273.83 226.61 0.95 POWELLS OR 3950 100-YEAR 1460.00 684.16 688.89 688.48 689.61 0.021911 8.54 282.06 151.32 0.75 POWELLS OR 3950 500-YEAR 2100.00 684.16 689.60 689.20 690.39 0.020839 9.28 396.17 174.84 0.75 POWELLS OR 3550 100-YEAR 1510.00 670.50 678.44 678.44 679.57 0.022823 10.74 263.29 117.38 0.73 POWELLS OR 3550 500-YEAR 2160.00 670.50 679.17 679.17 680.40 0.024440 11.89 355.951 139.46 0.76 POWELLS CR 3334 100-YEAR 1520.00 665.20 675.13 675.35 0.002223 4.40 582.40 185.77 0.28 POWELLS CR 3334 500-YEAR 2170.00 665.20 676.09 676.35 0.002434 4.98 769.55 205.82 0.30 POWELLS OR 3284 100-YEAR 1520.00 663.00 674.89 669.34 675.19 0.003807 5.05 499.16 171.36 0.27 POWELLS OR 3284 500-YEAR 2170.00 663.00 675.83 671.05 676.16 0.004304 5.66 668.44 189.65 0.29 POWELLS OR 3260 Culvert HEC-RAS Plan: EX River: POWELLS CREEK Reach: POWELLS OR (Continued) Reach Riser Sta Profile O Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude 9 Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) POWELLS OR 3186 100-YEAR 1520.00 662.37 668.77 668.10 669.91 0.020159 8.74 189.60 62.41 0.73 POWELLS OR 3186 500-YEAR 2170.00 662.37 669.23 668.96 671.06 0.028661 11.13 220.76 77.92 0.89 POWELLS OR 3166 100-YEAR 1520.00 662.21 668.77 669.28 0.012598 5.76 266.56 92.02 0.58 POWELLS OR 3166 500-YEAR 2170.00 662.21 669.41 670.11 0.013396 6.74 338.77 152.19 0.62 POWELLS OR 3136 100-YEAR 1520.00 661.76 668.35 668.94 0.010162 6.27 270.72 117.79 0.54 POWELLS OR 3136 500-YEAR 2170.00 661.76 668.77 667.78 669.68 0.014203 7.90 326.63 149.94 0.65 POWELLS CR 3026 100-YEAR 1520.00 659.73 666.41 665.66 667.41 0.018806 8.20 226.90 157.90 0.72 POWELLS CR 3026 500-YEAR 2170.00 659.73 667.25 667.25 668.13 0.014942 8.24 414.07 276.51 0.66 POWELLS OR 2965 100-YEAR 1520.00 659.39 664.99 664.42 666.12 0.021786 8.61 192.05 105.98 0.78 POWELLS OR 2965 500-YEAR 2170.00 659.39 666.12 666.12 666.98 0.013458 8.07 414.81 295.90 0.64 POWELLS OR 2860 100-YEAR 1530.00 658.55 664.11 664.52 0.010108 6.25 440.05 334.42 0.54 POWELLS OR 2860 500-YEAR 2190.00 658.55 664.63 665.00 0.009120 6.41 616.34 344.85 0.52 POWELLS OR 2365 100-YEAR 1550.00 649.70 656.25 656.25 656.99 0.025736 9.99 353.16 205.06 0.75 POWELLS OR 2365 500-YEAR 2200.00 649.70 656.67 656.67 657.53 0.029630 11.26 443.06 220.28 0.82 POWELLS OR 1810 100-YEAR 1570.00 641.00 646.63 646.19 646.81 0.010193 5.73 554.83 392.34 0.47 POWELLS OR 1810 500-YEAR 1 2230.00 641.00 647.05 646.45 647.25 0.009861 5.97 727.13 429.51 0.47 POWELLS OR 1290 100-YEAR 1580.00 633.30 638.29 638.29 638.71 0.026419 8.63 410.80 416.03 0.75 POWELLS OR 1290 500-YEAR 2250.00 633.30 638.53 638.53 639.01 0.029121 9.42 518.42 449.42 0.80 POWELLS OR 1111 100-YEAR 1590.00 630.60 635.53 635.60 0.005513 4.03 855.99 710.04 0.35 POWELLS OR 1111 500-YEAR 2260.00 630.60 635.81 635.89 0.005798 4.32 1053.25 715.29 0.36 POWELLS OR 1061 100-YEAR 1590.00 629.90 635.00 634.76 635.26 0.007383 5.65 661.53 700.04 0.47 POWELLS OR 1061 500-YEAR 1 2260.00 629.901 635.33 635.12 635.56 0.0069651 5.75 892.53 706.33 0.46 POWELLS CR 1040 Culvert POWELLS CR 1019 100-YEAR 1590.00 629.20 634.21 634.21 634.53 0.009584 6.14 606.65 702.17 0.52 POWELLS OR 1019 500-YEAR 2260.00 629.20 634.40 634.40 634.77 0.011908 7.04 740.51 706.45 0.58 POWELLS OR 969 100-YEAR 1590.00 628.40 633.01 632.75 633.15 0.011972 5.51 630.91 619.51 0.50 POWELLS OR 969 500-YEAR 2260.00 628.40 633.26 632.90 633.43 0.012185 5.80 789.49 632.94 0.51 HEC-RAS Plan: EX River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach Riser Sta Profile O Total I Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope I Vel Chnl Flow Area I Top Width Froude 9 Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) Oct ft) (ft) POWELLS CR 185 100-YEAR 1 1620.001 616.00 622.501 621.611 623.711 0.014932 9.081 204.50 60.00 0.68 POWELLS CR 185 500-YEAR 1 2290.001 616.00 624.001 622.811 625.181 0.011414 9.311 308.00 78.00 0.62 Powells_Creek_Exisiting Plan: Existing 11/22/2022 07 r .07 s1o1-1 o s Legend 805 EG 500-YEAR WS 500-YEAR 800 EG 100-YEAR a Cdt 100-YEAR > 795 WS 100-YEAR m w 790 � Ground • Bank Sta 785 780 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 07 i.07 800 6 6 Legend 795 EG 500-YEAR WS 500-YEAR 790 EG 100-YEAR o WS 100-YEAR > 785 Ground m w 780 • Bank Sta 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 07 �.07 800 6 6 legend 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 .................a................. > Cdt 500-YEAR m 780 .................................................... Cdt 100-YEAR . .........................,......... Ground 775 Ineff • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 Railroad Ave. - Route 788 07 �.07 800 6 6 legend 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C WS 100-YEAR c 0 > Cdt 100-YEAR d................................... w 780 Cdt 500-YEAR Ground 775 Ineff • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) 800 Powells_Creek_Exisiting Plan: Existing 11/22/2022 _I 0 6 legend ---------A--------- 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 .................a................. > Cdt 500-YEAR m 780 Cdt 100-YEAR ........... ........+........ Ground 775 Ineft • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 J .1 800 0 6 Legend ------------- •------------- 795 EG 500-YEAR WS 500-YEAR 790 EG 100-YEAR c o WS 100-YEAR > 785 Ground m w 780 • Bank Sta 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 � _I 1 800 0 6 legend ------------- A--------- 795 AL EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 ......a... ......... > Crit 500-YEAR m 780 Crit 100-YEAR ........................ ...........+....... . Ground 775 Ineif • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 CSX Rai" 1 800 0 2 legend 5 ------------- I--------- 795 Ir EG 500-YEAR WS 500-YEAR 790 7 EG 100-YEAR +C WS 100-YEAR c 785 ..... ............ a................. > Crit 500-YEAR m 780 Crit 100-YEAR Ground ....................... , ........ 775 Ireff • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 .1 _ _.06)i( .1 790 Legend ------------- A--------- EG500.YEAR 785 EG 100-YEAR WS 500-YEAR 780 .................a................. .................................................................................................................................... Cdt 500-YEAR 0 WS 100-YEAR y775 +. ............... ................ Cdt100-YEAR Ground 770 A Ineff • Bank Sta 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 J L 1 r 790 6 6 Legend •------------- ------------- EG 500-YEAR 785 EG 100.YEAR WS 500-YEAR 780 .....•_______ a Cd1500-YEAR .................................................................................................. WS 100-YEAR m w775 ...............+............. Cdt100.YEAR Ground 770 • Bank Sta 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 L 790 U 6 Legend •------------- 785 ------------- EG 500-YEAR EG 100-YEAR 780 WS 500-YEAR o Cdt 500-YEAR 775 > WS 100-YEAR m W................................. 770 --------_—_—___—_—_—_—_—__..........._ .....................................------------........ ................. ..............R Cdt 100.YEAR Ground 765 • Bank Sta 760 1700 1800 1900 2000 2100 2200 2300 2400 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1� I L r 1 785 0 6 Legend •------------- 780 ------------- EG 500-YEAR WS 500-YEAR 775 EG 100-YEAR c a WS 100-YEAR 770 > Ground m w • 765 Bank Sta 760 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 .1 -I-Oo6T .1 78s Legend ------------- A--------- 780 EG 500-YEAR WS 500-YEAR 775 ---------------------------- EG 100-YEAR +C c WS 100-YEAR np.................4................. > Crit 500-YEAR m 765 Crit 100-YEAR Ground 760 Ineif • Bank Sta 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 Cling Lane - Route 1226 1 'i'_� 1 785 Legend ---------I--------- 780 EG 500-YEAR WS 500-YEAR 775 ---------------------------- EG 100-YEAR C.................4................. c Crit 500-YEAR 0 770 WS 100-YEAR m Crit 100-YEAR 765 Ground 760 Ineff • Bank Sta 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) ip c 0 m w ip W 1800 1900 i.1 1900 Powells_Creek_Exisiting Plan: Existing 11/22/2022 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 �.i4 .1 8 2400 2000 2100 2200 2300 2400 Station (ft) EG 100-YEAR EG 500-YEAR WS 500-YEAR .................a................. Cdt 500-YEAR WS 100-YEAR ................................... Cdt 100-YEAR Ground Ineff • Bank Sta 2500 ------------- •------------- EG 500-YEAR ---------------------------- EG 100-YEAR WS 500-YEAR ................................... Crit 100-YEAR Ground • Bank Sta 2500 Powells_Creek_Exisiting Plan: Existing 11/22/2022 r 770 0 6 Legend •------------- 765 ------------- EG 500-YEAR EG 100-YEAR 760 WS 500-YEAR a Cdt 500-YEAR 755 > WS 100-YEAR N._._._._._._._._._-a-_._._._._._._._._._._._..--- W................................. 750 Cdt 100-YEAR Ground 745 • Bank Sta 740 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 I 1 760 U 6 Legend •------------- 755 ------------- EG 500-YEAR EG 100-YEAR 750 WS 500-YEAR a Cd1500-YEAR 745 > WS 100-YEAR d............................................................................... 740 Cdt 100-YEAR Ground 735 • Bank Sta 730 1600 1700 1800 1900 2000 2100 2200 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 r 750 U 6 Legend •------------- 7a5 ------------- EG 500-YEAR EG 100-YEAR 740 WS 500-YEAR o Cdt 500-YEAR > 735 WS 100-YEAR m 730 ---- ----- - --- - - ---- __- dt 100.YEAR Ground 725 • Bank Sta 720 1700 1800 1900 2000 2100 2200 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 J L 1 r 745 0 6 Legend Tao - -----------•------------- EG 500-YEAR 735 EG 100-YEAR 730 WS 500-YEAR +✓ a Cd1500-YEAR > 725 WS 100-YEAR m w 720 ----------------•-----------_- ............................. Cdt 100.YEAR 715 Ground • 710 Bank Sta 705 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 _I 730 0 6 Legend •------------- 725 ------------- EG 500-YEAR EG 100-YEAR 720 WS 500-YEAR a Cdt 500-YEAR > 715 WS 100-YEAR m 710 ' ---- ------- Cdt 100.YEAR Ground 705 • Bank Sta 700 1700 1800 1900 2000 2100 2200 Station (ft) L Powells_Creek_Exisiting Plan: L Existing 11/22/2022 r 1 06 _L 1 720 Legend ------------- A--------- 715 EG 500.YEAR --------------------------- EG 100.YEAR 710 WS 500-YEAR C.................a................. c Cdt 500-YEAR g 705 WS 100-YEAR m 700 LI-W............................................................................................................................. Cdt 100.YEAR Ground 695 Ineff • Bank Sta 690 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 710 Legend ------------- A--------- EG 500-YEAR 705 ' WS 500-YEAR ---------------------------- EG 100-YEAR 700 WS 100-YEAR a ............ a................. y..... > Crit 500-YEAR w 695 +. Grit 100-YEAR ..:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::............................... ............... Ground 690 Ineif Bank• Sta 685 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 r .06 � .1 715 Legend ------------- I--------- 710 EG 500-YEAR --------------------------- EG 100-YEAR 705 WS 500-YEAR C..... ............ a................. c Crit 500-YEAR g 700 WS 100-YEAR m 695 Crit 100-YEAR Ground 690 Ineff • Bank Sta 685 1800 1850 1900 1950 2000 2050 2100 2150 2200 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 L os 69s Legend ------------- A--------- 694 EG 500-YEAR ---------------------------- EG 100-YEAR 692 WS 500-YEAR C.................a........ a ........................._._._._._._._._._._._._._.------------------------------------------ ..... Cdt 500.YEAR 690 ......................................................1.................................................................................____ WS 100-YEAR w 688 ................. +.... .............................R Cdt 100.YEAR Ground 686 Ineff • Bank Sta 684 1150 1200 1250 1300 1350 1400 1450 1500 Station (ft) Powell s_Creek_Exisiting Plan: Existing 11/22/2022 1 �.07 700 0 6 Legend •------------- 695 ------------- EG 500-YEAR EG 100.YEAR 690 WS 500-YEAR a Cd1500-YEAR > 685 WS 100-YEAR m W................................. 680 ------------------_._._._._._._._._._.....------.-------------- ---------------------------------------- ------------- Cdt 100-YEAR Ground 675 • Bank Sta 670 1600 1700 1800 1900 2000 2100 2200 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 _L.06�-.07 710 Legend ------------- I------------- EG 500-YEAR 700 WS 500-YEAR EG 100-YEAR 690 a WS 100-YEAR > Ground w 680 • Bank Sta 670 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 r .1 '1 �.07 710 U 6 Legend ------------- A--------- EG 500-YEAR 700 ' WS 500-YEAR ---------------------------- EG 100-YEAR 690 WS 100-YEAR a ............ a................. y..... > Cdt 500-YEAR w 680 ............... ................ +. Cdt 100-YEAR Ground 670 A Ineff • Bank Sta 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 Jarmins Gap Road - Route 691 r .1 '16 �.07 710 6 Legend ------------- A--------- EG 500-YEAR 700 ' WS 500-YEAR ---------------------------- EG 100-YEAR 690 WS 100-YEAR a ............ a................. y..... > Cdt 500-YEAR w 680 ............... ................ +. Cdt 100-YEAR Ground 670 A Ineff • Bank Sta 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 REVISED CROSS SECTION .07 _�'.06 .1 695 Legend 690 ------------- •------------- EG 500-YEAR EG 100-YEAR 685 WS 500-YEAR `0 680 Cd1500-YEAR 675 WS 100-YEAR W................................. Cdt 100-YEAR 670 ' Ground • 665 Bank Sta 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 NEW SURVEY CROSS SECTION .07 06 1� 695 Legend 690 ------------- •------------- EG 500-YEAR WS 500-YEAR 685 EG 100-YEAR +C a 680 WS 100-YEAR 675 Ground w Bank Sta 670 665 660 1400 1600 1800 2000 2200 2400 Station (fl) Powells_Creek_Exisiting Plan: Existing 11/22/2022 REVISED CROSS SECTION .07 )if .06 .1 690 Legend 685 ------------- •------------- EG 500-YEAR EG 100-YEAR 680 WS 500-YEAR c o WS 100-YEAR > 675 .._______.•___........... Cdt 500-YEAR m w ------- � Ground Bank Sta 665 660 1400 1600 1800 2000 2200 2400 Station (11) Powells_Creek_Exisiting Plan: Existing 11/22/2022 NEW SURVEY CROSS SECTION if O .OB �.1 690 Legend 685 ------------- •------------- EG 500-YEAR EG 100-YEAR 680 WS 500-YEAR 0 675 Cdt 500-YEAR 670 WS 100-YEAR w------------------------------+----------------------- ................................ Cdt100.YEAR 665 Ground • RAn Bank Sta 1400 1600 1800 2000 2200 2400 Station (fl) Powells_Creek_Exisiting Plan: Existing 11/22/2022 REVISED CROSS SECTION L .07 'i( .06)if .1� ------------- •------------- 680 EG 500-YEAR ---------------------------- EG 100-YEAR 675 WS 500-YEAR o Cd1500-YEAR 670 > WS 100-YEAR d_._._._._._._._.................................................i......----..-..-..-..-..-..------ 665 Cdt 100-YEAR Ground • 660 Bank Sta 1600 1700 1800 1900 2000 2100 2200 2300 Station (11) Powells_Creek_Exisiting Plan: Existing 11/22/2022 REVISED CROSS SECTION .07 _�'.06) i4 .1 685 Legend 680 ------------- •------------- EG 500-YEAR WS 500-YEAR 675 EG 100-YEAR o WS 100-YEAR 670 > Ground m w 665 • Bank Sta 660 655 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 1 675 0� 6 Legend •------------- 670 ------------- EG 500-YEAR EG 100-YEAR 665 WS 500-YEAR o Cd1500-YEAR 660 > WS 100-YEAR m- 655 _______ _______ _____-•_______ Cdt 100-YEAR Ground 650 • Bank Sta 645 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells—Creek—Exisiting Plan: Existing 11/22/2022 1-1 .1 .07 665- 6 6 Legend I ------------- ------------- EG 500-YEAR 660 WS 500-YEAR -------- -------------- EG 1 00-YEAR 655- WS 1 00-YEAR c rit 50 O-YEAR 650 ................. ................. Crit 1 00-YEAR ---------------------- ........................................................................... Ground 645- 0 1 Bank Sta 640 1600 1800 2000 2200 2400 2600 Station (ft) Powells—Creek—Exisiting Plan: Existing 11/22/2022 .1 .07 655- Legend I ------------- ------------- EG 500-YEAR 650 ---------------------------- EG I 00-YEAR WS 500-YEAR 645- 1 Cril 500-YEAR WS 1 00-YEAR 640- ................. . ................. — ----------- ------------- Crit 1 00-YEAR Ground 635• - Bank Sla 630- 1900 2000 2100 2200 2300 2400 2500 2600 2700 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 --11it .07 655 6 Legend I------------- ------------- EG 500-YEAR 650 WS 500-YEAR EG 100-YEAR 645 a WS 100-YEAR > Ground w 640 • Bank Sta 635 630 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 1 .07 655 6 6 Legend 650 EG 500-YEAR WS 500-YEAR 645 ---------------------------- EG 100-YEAR C.................a................. c Cdt 500-YEAR 0 '' 640 WS 100-YEAR d................................... w 635 ....... ....... ....... ....... Cdt 100-YEAR Ground 630 inaft • Bank Sta 625 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 Cathaross Lane 1 .07 655 0 6 Legend 650 EG 500-YEAR WS 500-YEAR 645 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 640 .................a................. > Crit 500-YEAR m 635 Crit 100-YEAR Ground 630 Ineff • Bank Sta 625 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 .07 r .07 660 U 6 Legend ------------- I--------- 655 EG 500-YEAR --------------------------- EG 100-YEAR 650 WS 500-YEAR c 645 Crit 500-YEAR 0 640 WS 100-YEAR w................................. Crit 100-YEAR 635 ' Ground 630 Ineff • Bank Sta 625 1600 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells_Creek_Exisiting Plan: Existing 11/22/2022 07 �. r .07 655 6 6 Legend 650 EG 500-YEAR WS 500-YEAR 645 EG 100-YEAR c WS 100-YEAR a 640 ..._______•__............. > Cdt 500-YEAR d.................+................. w 635 Cdt 100.YEAR Ground 630 • Bank Sta 625 1600 1800 2000 2200 2400 2600 2800 Station (fl) Powells_Creek_Exisiting Plan: Existing 11/22/2022 .1 _I_.06�i( .07 645 Legend 640 ------------- •------------- EG 500-YEAR WS 500-YEAR 635 EG 100-YEAR c a Cd1500-YEAR 630 > WS 100-YEAR m 625 Cdt 100-YEAR ........................... Ground • 620 Bank Sta 615 1700 1800 1900 2000 2100 2200 2300 2400 Station (fl) Powells—creek—Exisiting Plan: Powells EX FLOODWAY 1112212022 PDWELLS CREEK POWELLS CR 800- Legend EG Floodway EG I 00-Year WS Floodway ws 100-year .................. .................. Crit 100-Year 750- ....................................... Crit Floodway Ground . 1 0 700- 650- .. .. ...... II 600- 0 2000 4000 6000 8000 Main Channel Distance (ft) HEC-RAS Plan: EX FLDWY River: POWELLS CREEK Reach: POWELLS CR Reach River Sta Profile 0 Total Min Ch El W.S. Elev Cril W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (ch) (fi) (fi) (fi) (ft) (ftfft) MIS) (SQ fl) (fl) POWELLS CR 7960 100-Year 1350.00 780.50 786.36 786.36 786.99 0.026172 9.02 265.38 176.70 0.73 POWELLS CR 7960 Floodway 1350.00 780.50 786.39 786.39 787.08 0.026874 9.19 249.59 150.00 0.74 POWELLS CR 7755 100-Year 1360.00 773.70 786.12 786.13 0.000142 1.20 1770.47 344.07 0.06 POWELLS CR 7755 Floodway 1360.00 773.70 786.16 786.18 0.000236 1.56 1135.23 150.00 0.08 POWELLS CR 7705 100-Year 1360.00 772.10 786.11 777.99 786.12 0.000088 1.15 1998.23 343.89 0.05 POWELLS CR 7705 Floodway 1360.00 772.10 786.15 777.99 786.17 0.000123 1.36 1361.33 150.00 0.06 POWELLS CR 7675 Culvert POWELLS CR 7645 100-Year 1360.00 771.10 786.09 777.05 786.10 0.000126 1.44 2085.07 343.06 0.07 POWELLS CR 7645 Floodway 1360.00 771.10 786.06 777.05 786.12 0.000382 2.50 981.13 135.13 0.12 POWELLS CR 7632 100-Year 1360.00 770.90 786.09 1 786.10 0.0001261 1.48 2079.681 342.98 0.07 POWELLS CR 7632 Floodway 1360.00 770.90 786.07 786.10 0.000168 1.71 1426.79 150.00 0.08 POWELLS CR 7619 100-Year 1360.00 770.60 785.93 777.00 786.06 0.000634 3.29 519.06 337.48 0.15 POWELLS CR 7619 Floodway 1360.00 770.60 785.93 777.00 786.06 0.000634 3.29 519.06 150.00 0.15 POWELLS CR 7575 Bridge POWELLS CR 7530 100-Year 1360.00 769.901 776.00 776.00 777.78 0.028210 11.33 147.94 216.90 0.87 POWELLS CR 7530 Floodway 1360.00 769.90 776.00 776.00 777.78 0.0281931 11.33 147.97 44.00 0.87 POWELLS CR 7480 100-Year 1360.00 768.40 774.87 774.87 775.65 0.021928 9.78 318.94 187.36 0.73 POWELLS CR 7480 Floodway 1360.00 768.40 774.83 774.83 775.59 0.021634 9.66 299.16 150.00 0.72 POWELLS CR 7300 100-Year 1370.00 763.00 769.82 769.82 770.62 0.021928 9.79 318.29 188.48 0.72 POWELLS CR 7300 Floodway 1370.00 763.00 769.79 769.79 770.57 0.021224 9.61 300.03 150.00 0.70 POWELLS CR 7045 100-Year 1390.00 758.001 765.64 1 766.11 0.007000 6.71 397.07 161.27 0.46 POWELLS CR 7045 Floodway 1390.00 758.00 765.67 766.11 0.006631 6.55 374.58 120.00 0.45 POWELLS CR 6995 100-Year 1390.00 757.00 765.35 762.02 765.83 0.004400 5.87 274.01 151.50 0.36 POWELLS CR 6995 Floodway 1390.00 757.00 765.35 762.02 765.83 0.004400 5.87 274.01 44.00 0.36 POWELLS CR 6960 Culvert HEC-RAS Plan: EX FLDWY River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile O Total Min Ch El W.S. Elev Cdl W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (ch) (fi) (fi) (fi) (ft) (ftfft) MIS) (SQ fl) (fl) POWELLS CR 6925 100-Year 1390.00 756.10 761.17 760.69 762.56 0.022647 9.89 160.48 306.69 0.79 POWELLS CR 6925 Floodway 1390.00 756.10 762.01 760.68 762.98 0.012879 8.30 201.90 44.00 0.61 POWELLS CR 6875 100-Year 1390.00 754.60 760.45 760.45 760.94 0.024311 8.76 397.42 299.45 0.71 POWELLS CR 6875 Floodway 1390.00 754.60 761.07 761.07 762.04 0.029797 10.53 242.48 100.00 0.80 POWELLS CR 6490 100-Year 1400.00 743.00 750.34 750.34 751.36 0.022219 10.43 266.36 122.06 0.73 POWELLS CR 6490 Floodway 1400.00 743.00 750.44 750.44 751.35 0.019850 9.97 278.77 122.06 0.69 POWELLS CR 6120 100-Year 1410.00 733.00 740.24 740.24 741.16 0.021150 10.08 290.08 140.60 0.71 POWELLS CR 6120 Floodway 1410.00 733.00 740.32 740.32 741.15 0.019378 9.73 300.43 140.61 0.68 POWELLS CR 5735 100-Year 1430.00 723.00 730.03 730.03 730.82 0.020617 9.72 329.40 180.48 0.70 POWELLS CR 5735 Floodway 1430.00 723.00 730.10 730.10 730.81 0.018710 9.34 342.30 180.48 0.67 POWELLS CR 5190 100-Year 1450.00 708.50 715.72 715.72 716.94 0.023744 11.16 241.38 94.33 0.78 POWELLS CR 5190 Floodway 1450.00 708.50 715.83 715.83 716.93 0.021352 10.71 251.85 94.55 0.74 POWELLS CR 4885 100-Year 1460.00 701.20 708.71 708.61 709.79 0.021453 10.63 268.66 114.40 0.73 POWELLS CR 4885 Floodway 1460.00 701.20 709.03 708.77 709.81 0.015470 9.32 303.87 111.70 0.63 POWELLS CR 4345 100-Year 1460.00 692.34 696.06 696.06 696.71 0.025490 8.18 329.18 217.91 0.82 POWELLS CR 4345 Floodway 1460.00 692.341 696.04 696.04 697.16 0.036696 9.78 210.20 90.00 0.99 POWELLS CR 4253 100-Year 1460.00 689.05 694.05 692.07 694.14 0.001981 3.14 773.06 345.28 0.25 POWELLS CR 4253 Floodway 1460.00 689.05 695.41 692.15 695.63 0.002421 4.08 440.08 78.00 0.29 POWELLS CR 4064 100-Year 1460.00 689.00 691.91 691.91 692.91 0.031398 8.66 214.52 198.05 0.91 POWELLS CR 4064 Floodway 1460.00 689.00 692.45 692.45 694.04 0.039042 10.40 152.01 48.00 1.00 POWELLS CR 3950 100-Year 1460.00 684.16 688.89 688.48 689.61 0.021911 8.54 282.06 151.32 0.75 POWELLS CR 3950 Floodway 1460.00 684.16 688.89 688.49 689.62 0.022270 8.61 271.28 106.12 0.76 POWELLS CR 3550 100-Year 1510.00 670.50 678.44 678.44 679.57 0.022823 10.74 263.29 117.38 0.73 POWELLS CR 3550 Floodway 1510.00 670.50 678.40 678.40 679.51 0.022759 10.68 252.54 99.75 0.72 POWELLS CR 3334 100-Year 1520.00 665.20 675.13 675.35 0.002223 4.40 582.40 185.77 0.28 POWELLS CR 3334 Floodway 1520.00 665.20 675.79 676.01 0.001885 4.28 508.83 95.00 0.26 HEC-RAS Plan: EX FLDWY River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile O Total Min Ch El W.S. Elev Cdl W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (ch) (fi) (fi) (fi) (ft) Wit) MIS) (SQ fl) (fl) POWELLS CR 3284 100-Year 1520.00 663.00 674.89 669.34 675.19 0.003807 5.05 499.16 171.36 0.27 POWELLS CR 3284 Floodway 1520.00 663.00 675.60 669.32 675.88 0.003171 4.80 442.71 85.00 0.25 POWELLS CR 3260 Culvert POWELLS CR 3186 100-Year 1520.00 662.37 668.77 668.10 669.91 0.020159 8.74 189.60 62.41 0.73 POWELLS CR 13186 Floodway 1520.00 662.37 668.82 669.95 0.019517 8.67 188.33 54.48 0.72 POWELLS CR 3166 100-Year 1520.00 662.21 668.77 669.28 0.012598 5.76 266.56 92.02 0.58 POWELLS CR 3166 Floodway 1520.00 662.21 668.85 669.34 0.011590 5.62 273.16 90.00 0.56 POWELLS CR 3136 100-Year 1520.00 661.76 668.35 668.94 0.010162 6.27 270.72 117.79 0.54 POWELLS CR 3136 Floodway 1520.00 661.76 668.50 669.03 0.008779 5.96 272.73 75.00 0.51 POWELLS CR 3026 100-Year 1520.00 659.73 666.41 665.66 667.41 0.018806 8.20 226.90 157.90 0.72 POWELLS CR 3026 Floodway 1520.00 659.73 666.52 667.60 0.019146 8.36 182.60 50.00 0.73 POWELLS CR 2965 100-Year 1520.00 659.39 664.99 664.42 666.12 0.021786 8.61 192.05 105.98 0.78 POWELLS CR 2965 Floodway 1520.00 659.39 665.83 666.60 0.011258 7.08 218.17 50.00 0.58 POWELLS CR 2860 100-Year 1530.00 658.55 664.11 664.52 0.010108 6.25 440.05 334.42 0.54 POWELLS CR 2860 Floodway 1530.00 658.55 664.67 665.43 0.011746 7.33 237.45 60.00 0.59 POWELLS CR 2365 100-Year 1550.00 649.70 656.25 656.25 656.99 0.025736 9.99 353.16 205.06 0.75 POWELLS CR 2365 Floodway 1550.00 649.70 656.30 656.30 657.13 0.026807 10.25 308.19 145.20 0.77 POWELLS CR 1810 100-Year 1570.00 641.00 646.63 646.19 646.81 0.010193 5.73 554.83 392.34 0.47 POWELLS CR 1810 Floodway 1570.00 641.00 647.51 646.74 647.83 0.010177 6.43 396.01 150.00 0.48 POWELLS CR 1290 100-Year 1580.00 633.30 638.29 638.29 638.71 0.026419 8.63 410.80 416.03 0.75 POWELLS CR 1290 Floodway 1580.00 633.30 638.69 638.69 639.42 0.029061 9.65 272.13 150.00 0.80 POWELLS CR 1111 100-Year 1590.00 630.60 635.53 635.60 0.005513 4.03 855.99 710.04 0.35 POWELLS CR 1111 Floodway 1590.00 630.60 636.30 636.50 0.007528 5.29 477.65 200.00 0.42 POWELLS CR 1061 100-Year 1590.00 629.90 635.00 634.76 635.26 0.007383 5.65 661.53 700.04 0.47 POWELLS CR 1061 Floodway 1590.00 629.90 636.13 634.61 636.27 0.002705 3.96 604.40 191.00 0.29 POWELLS CR 1040 Culvert HEC-RAS Plan: EX FLDWY River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile 0 Total Min Ch El W.S. Elev Cdt W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (cts) (fi) (fi) (fi) (ft) Wit) (f 1s) (scl fl) (fl) POWELLS CR 1019 100-Year 1590.00 629.20 634.21 634.21 634.53 0.009584 6.14 606.65 702.17 0.52 POWELLS CR 1019 Floodway 1590.00 629.20 634.35 634.25 634.98 0.014170 7.62 329.06 188.36 0.63 POWELLS CR 969 100-Year 1590.00 628.40 633.01 632.75 633.15 0.011972 5.51 630.91 619.51 0.50 POWELLS CR 969 Floodway 1590.00 628.40 633.71 634.08 0.016467 7.25 W8.79 200.00 0.61 POWELLS CR 185 100-Year 1620.00 616.00 622.50 621.63 623.71 0.014932 9.08 204.50 60.00 0.68 POWELLS CR 185 Floodway 1620.00 616.00 622.70 621.63 623.79 0.012945 8.66 216.50 60.00 0.64 Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 07 ) . i4 .07 s10 o s Legend 805 EG Floodway EG 100-Year 800 WS Floodway o Cdt Floodway 795 WS 100-Year m 790 Crit 100-Year ...................................................................................................... Ground • 785 Bank Sta Encroachment 780 1800 1900 2000 2100 2200 2300 Station (it) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 07 i.07 800 6 6 Legend 795 -------------------------- EG Floodway WS Floodway 790 -------------------------- EG 100-Year +C o WS 100-Year 785 > Ground m w 780 � Bank Ste Encroachment 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (it) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 07 �.07 800 0 Legend 6 EG Floodway 795 WS Floodway 790 EG 100-Year WS 100-Year 785 Crit 100-Year ............... 4.............. m Crit Floodway W � 780 Ground ........................4.......... • Ineg 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (g) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 Railroad Ave. - Route 788 07 �.07 800 0 Legend 6 EG Floodway 795 WS Floodway 790 ------------------------ EG 100-Year WS 100-Year 785 Crit Floodway m Crit 100-Year w 780 Ground • Ineg 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (g) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 J 800 0 6 Legend EG Floodway 795 - ---------------------- EG 100-Year 790 WS 100-Year WS Floodway 785 Cri1100-Year m ............... 4.............. Crit Floodway W � 780 Ground Ineff 775 Bank Sta Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 1 _I .1 800 0 6 Legend 795 --------------------------- EG 100-Year .......................... EG Floodway 790 WS 100-Year c o WS Floodway > 785 Ground m w 780 � Bank Ste Encroachment 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 J 800 0 Legend 6 EG 100-Year 795 ...........4........... EG Roodway 790 WS Floodway WS 100-Year 785 Crit 100-Year ............... 4.............. m Crit Floodway W � 780 Ground Ineff 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (R) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 CSX Rai" 1 1 800 0� Legend 2 5 - --------------- EG 100-Year 795 ----------- 4-------- EG Floodway 790 WS Floodway WS 100-Year 785 Crit Floodway m Crit 100-Year w 780 Ground • IneR 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (R) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 790 Legend ------------------------ EG 100-Year 785 -------•-------- EG Floodway WS Floodway ^ 780 .............-4.............. Crit Floodway c WS 100-Year y 775 d ear Ground • Ineg 770 � Bank St, Encroachment 765 1700 1800 1900 2000 2100 2200 2300 Station (it) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 1 J L 1 r 790 0 6 Legend EG 100-Year 785 ......................... EG Floodway ................................. Crit1 oo-Year 780 WS 100-Year a d........................................................a..................................... WS Floodway w775 .......... ...... a................ Crit Floodway Ground 770 • Bank Sta Encroachment 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) c c 0 m w 1700 1800 Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 1900 2000 2100 2200 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 1) L U r 1 6 1800 1900 2000 2100 Station (ft) 2300 EG 100-Year EG Floodway ................................. Crit 100-Year WS 100-Year WS Floodway ................................. Crit Floodway Ground Bank Sta Encroachment 2400 Legend --------------------------- EG 100-Year .......................... EG Floodway WS Floodway WS 100-Year Ground • Bank Ste Encroachment 2200 2300 2400 2500 Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 _I_.olpi( 78s Legend ------------------------ EG 100-Year 780 ...........4........... EG Floodway 775 WS Floodway WS 100-Year 770 Crit Floodway m Crit 100-Year w..................................................... 765 Ground • Ineff 760 Bank St, Encroachment 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (fl) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 �'O& Cling Lane - Route 1226 1 1 785 Legend EG 100-Year 780 ._ _ _ _ 4-_.._._.. EG Floodway 775 Crit 100-Year WS Floodway 0 770 WS 100-Year m Crit Floodway W Ground • 765 Inefi 760 Bank Ste Encroachment 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (fl) IC IC w Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 1800 1400 2000 2100 2200 2300 2400 Station (fl) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 0 i.1)pi( .1 6 1900 2000 2100 2200 2300 2400 Station (fl) Legend ----------------------- EG Floodway EG 100-Year WS Floodway WS 100-Year Cri1100-Year .......... ..... 4.............. Crit Floodway Ground • Ineg • Bank Ste Encroachment 2500 EG Floodway WS Floodway .......... ...... a................ Crlt Floodway --------------------------- Crit 100-Year Ground • Bank Sta Encroachment 2500 Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 r 770 0 6 Legend 765 EG 100-Year EG Floodway 760 WS Floodway C................................. o Cdt Floodway 755 WS 100-Year Wm................................. 750 -------------------------- ......_._._._._._._._._._. Cril 100.Year Ground • 745 Bank Sta Encroachment 740 1700 1800 1900 2000 2100 2200 2300 Station (it) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 1 I 1 760 U 6 Legend 755 EG 100-Year EG Floodway 750 WS Floodway C................................. o Cdt Floodway 745 > WS 100-Year m w...........................r 740- Ground • 735 Bank Sta Encroachment 730 1600 1700 1800 1900 2000 2100 2200 Station (it) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 r 750 0 6 Legend 745 EG 100-Year EG Floodway 740 WS Floodway C................ a................ o Cdt Floodway 735 WS 100-Year m w............ 730 ---------------------------------------------------------- -- ------- --- ----------- ............. Cril 100.arYe Ground • 725 Bank Sta Encroachment 720 1700 1800 1900 2000 2100 2200 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 745 0 6 Legend 740 EG 100.Year 735 EG Floodway WS Floodway c .... 730 ............ a ................ `o Cdt Floodway 725 > WS 100-Year m w 720 ........................... Crt 100.arYe 715 Ground • Bank Sta 710 Encroachment 705 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 _I 730 0 6 Legend ------------ ----------- 725 EG Floodway EG 100-Year 720 WS Floodway C................ a................ o CritFloodway 715 > WS 100-Year m 710 Crit 100-Year Ground • 705 Bank Sta Encroachment 700 1700 1800 1900 2000 2100 2200 Station (it) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 L r 1 L .06 L 1 T 720 Legend ----------- .----------- EG Floodway 715 EG 100-Year 710 Crit 100-Year WS 100-Year 0 705 WS Floodway m .......... ..... 4.............. Crit Floodway W � 700 Ground • ......................................................................................................................... ........... ._._._._._._... Ineg 695 Bank Ste Encroachment 690 1800 1900 2000 2100 2200 2300 Station (it) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 .1 > 06 J 710 Legend ----------------------- EG Floodway 705 WS Floodway ------------------------ EG 100-Year 700 WS 100-Year C...........-4 .............. Crit Floodway w 695 d ear Ground IneR 690 Bank Ste Encroachment 685 1800 1900 2000 2100 2200 2300 Station (n) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 r .06 715 Legend .._....._r_._._.. EG Floodway 710 EG 100-Year 705 WS Floodway .......... ..... 4.............. ^ Crit Floodway '- 0 700 WS 100-Year m Cri1100-Year w . Ground 695 IneR 690 Bank Ste Encroachment 685 1800 1850 1900 1950 2000 2050 2100 2150 2200 Station (R) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 .06 1 sss Legend EG Floodway 694 ....................... EG 100-Year 692 WS 100-Year WS Floodway C.......... 690 ..... 4.............. Crit Floodway m Crit 100-Year W.................J...................................................................................... Ground • 688 Ineg 686 • Bank St, Encroachment 684 1150 1200 1250 1300 1350 1400 1450 1500 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 1 �.07 700 0 6 Legend 695 EG 100-Year ------------ ----------- EG Floodway 690 ................................. Grit 100-Year c WS 100-Year g 685 WS Floodway _ ................ a................ W 680 Crit Floodway Ground • 675 Bank Sta Encroachment 670 1600 1700 1800 1900 2000 2100 2200 Station (ft) F 0 m w 1400 IC c 0 m W Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 .1 _Low .07 1600 1800 Station (fl) 2000 2200 Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 1 �Ui.07 6 1600 1800 Station (fl) 2000 2200 Legend ------------`------------ EG Floodway WS Floodway -------------------------- EG 100-Year WS 100-Year Ground • Bank Sta Encroachment 2400 Legena --------•-------- EG Floodway WS Floodway ------------------------ Cri1100-Year .......... ..... I .............. Crit Floodway Ground • Ineg • Bank Ste Encroachment 2400 Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 Jarmins Gap Road - Route 691 r .1 '� i.07 710 U 6 Legend EG Floodway 700 WS Floodway ------------------------ EG 100-Year 690 WS 100-Year C ...........- . 4............. Crit Floodway w 680 rd ear ------ -- Ground Ineg 670 Bank St, Encroachment 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 i4 REVISED CROSS SECTION .07 'i'.06�.1 695 Legend 690 ------------ `------------ EG Floodway --------------------------- EG 100-Year 685 WS Floodway +K C 680 WS 100-Year :; 675 ................+................ Cdt 100-Year w Ground 670 .....+.... • Bank Ste 665 Encroachment 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY NEW SURVEY CROSS SECTION 11/22/2022 .07 06� 1� 695 Legend 690 ------------`------------ EG Floodway --------------------------- EG 100-Year 685 WS Floodway +C 0 680 WS 100-Year 675 Ground w • Bank Ste 670 Encroachment 665 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 REVISED CROSS SECTION .07 _�_ .06 690 Legend 685 ------------`------------ EG Floodway --------------------------- EG 100-Year 680 WS Floodway c o WS 100-Year > 675 Ground m w 670 • Bank Ste Encroachment 665 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 NEW SURVEY CROSS SECTION i( .07 _i' .06 �.1 690 Legend 685 ------------`------------ EG Floodway --------------------------- EG 100-Year 680 WS Floodway +C 0 675 WS 100-Year 670 Cdt 100-Year w ............................................................._._._._._ Ground 665 +......... Bank Sta 660 Encroachment 655 1400 1600 1800 2000 2200 2400 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 REVISED CROSS SECTION L.07 _�_ .06)i( 685 Legend 680 ------------`------------ EG Floodway EG 100-Year 675 WS Floodway +C o WS 100-Year 670 ................................. > Crit 100-Year wm 665 ______________________________________1 ________________________ _ ..-...-..__. Ground � Bank Ste 660 Encroachment 655 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 REVISED CROSS SECTION if .07 'i'.06�.1 685 Legend 680 ------------`------------ EG Floodway WS Floodway 675 -------------------------- EG 100-Year +C o WS 100-Year > 670 Ground m w665 � Bank Sta Encroachment 660 655 1400 1600 1800 2000 2200 2400 Station (fl) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 1 1 675 0� 6 Legend ------------ ----------- 670 EG Floodway EG 100-Year 665 WS Floodway C................................. o Cdt Floodway 660 > WS 100-Year m 655 Crit 100-Year Ground • 650 Bank Sta Encroachment 645 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 L 1 r .07 665 6 6 Legend EG Floodway 660 WS Floodway --------------------------- EG 100-Year 655 ................ •................ `o Cdt Floodway > WS 100-Year w 650 Crit 100-Year ................,........................................................................................................ Ground 645 • Bank Sta Encroachment 640 1600 1800 2000 2200 2400 2600 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 1 .07 655 6 Legend EG Floodway 650 EG 100-Year WS Floodway �^ 645 ................ •................ o Cdt Floodway WS 100-Year ii w 640 _• _______ _______ _______ _______ _______ _______ _______ _______ ......... ......... Cri1100-Year Ground 635 • Bank Sta Encroachment 630 1900 2000 2100 2200 2300 2400 2500 2600 2700 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 1 --i i( .07 655 6 Legend ------------'------------ EG Floodway 650 WS Floodway -------------------------- EG 100-Year 645 o WS 100-Year > Ground °i w 640 • Bank Sta .......................................... ncroac men 635 630 1800 2000 2200 2400 2600 2800 3000 Station (R) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 1 .07 655 0 6 Legend EG Floodway 650 WS Floodway 645 ------------------------ EG 100-Year WS 100-Year c0 640 .............+.............. Cri1100-Year m Cdt Floodway W 635 ......... ... ......... .......... Ground • IneR 630 • Bank Ste Encroachment 625 1800 2000 2200 2400 2600 2800 3000 Station (R) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 Cathaross Lane 1 .07 655 0 6 Legend EG Floodway 650 WS Floodway 645 ------------------------ EG 100-Year WS 100-Year c O 640 Crit Floodway � m Crit 100-Year w__________ _ _- 635 - -------- . ......................... ------------------------------------------------------------------------------- Ground Ineg 630 • Bank St, Encroachment 625 1800 2000 2200 2400 2600 2800 3000 Station (g) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 07 .07 660 0 6 Legend 655 EG Floodway EG 100-Year 650 WS Floodway 645 Crit Floodway c WS 100-Year 640 Crit 100-Year w Ground 635 • Ineg • 630 Bank Ste Encroachment 625 1600 1800 2000 2200 2400 2600 2800 3000 Station (g) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 1112212022 .4 .07 6551.07 6 Legend 650 ------------`------------ EG Floodway WS Floodway 645 -------------------------- EG 100-Year +C o WS 100-Year > 640 _______+ Crit 100-Year m w 635 � Ground • __... Bank Sta 630 Encroachment 625 1600 1800 2000 2200 2400 2600 2800 Station (ft) Powells_Creek_Exisiting Plan: Powells EX FLOODWAY 11/22/2022 .1 _L A6 �i( .07 645 Legend ------------ ----------- 640 EG Floodway EG 100-Year 635 WS Floodway +C c WS 100-Year 0 > Crit 100-Year d................................. w 625 Crit Floodway Ground 620 Bank Sta Encroachment 615 1700 1800 1900 2000 2100 2200 2300 2400 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 PDWELLS CREEK POWELLS CR 800- Legend --------------- a.............. EG 500-YEAR WS 500-YEAR -------- ----------- EG I 00-YEAR .................... .................... Crit 500-YEAR WS 100-YEAR 750- Crit 100-YEAR Ground .- 0 700 g 650- 600- 0 2000 4000 6000 8000 Main Channel Distance (ft) HEC-RAS Plan: Proposed River: POWELLS CREEK Reach: POWELLS CR Reach Riser Ste Profile 0 Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude # Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ftfs) (sq ft) (ft) POWELLS OR 7960 100-YEAR 1350.00 780.50 786.34 786.34 786.99 0.026902 9.12 262.72 176.45 0.74 POWELLS OR 7960 500-YEAR 1980.00 780.50 795.81 795.82 0.000074 0.99 2515.66 279.06 0.05 POWELLS OR 7755 100-YEAR 1360.00 773.70 786.11 786.12 0.000142 1.21 1768.68 343.89 0.06 POWELLS OR 7755 500-YEAR 1990.00 773.70 795.81 795.81 0.000008 0.44 6514.12 598.01 0.02 POWELLS OR 7705 100-YEAR 1 13W.00 772.101 786.11 778.001 786.12 0.0000881 1.15 1996.441 343.71 0.05 POWELLS OR 7705 500-YEAR 1990.00 772.10 795.81 778.95 795.81 0.000007 0.47 6743.44 598.00 0.02 POWELLS OR 7675 Culvert POWELLS CR 7645 100-YEAR 1360.00 771.10 786.09 777.05 786.10 0.000126 1.44 2085.09 343.06 0.07 POWELLS CR 7645 500-YEAR 1990.00 771.10 795.80 778.13 795.80 0.000013 0.65 6830.38 597.79 0.02 POWELLS OR 7632 100-YEAR 1360.00 770.90 786.09 786.10 0.000126 1.48 2079.70 342.981 0.07 POWELLS OR 7632 500-YEAR 2000.00 770.901 795.80 795.80 0.000013 0.67 6825.63 597.78 0.02 POWELLS OR 7619 100-YEAR 1360.00 770.60 785.93 776.991 786.06 0.000634 3.29 519.06 337.48 0.15 POWELLS OR 7619 500-YEAR 2000.00 770.60 795.80 778.161 795.80 0.000013 0.66 6830.32 597.78 0.02 POWELLS OR 7575 Bridge POWELLS OR 7530 100-YEAR 1360.00 769.90 776.00 776.00 777.78 0.028033 11.31 148.28 217.09 0.87 POWELLS OR 7530 500-YEAR 2000.00 769.90 777.06 777.06 779.32 0.029261 13.04 192.50 240.25 0.91 POWELLS OR 7480 100-YEAR 1360.00 768.40 774.88 774.88 775.65 0.021905 9.77 319.10 187.41 0.73 POWELLS OR 7480 500-YEAR 2000.00 768.40 775.41 775.41 776.24 0.023849 10.84 424.56 204.00 0.77 POWELLS OR 7300 100-YEAR 1370.00 763.00 769.82 769.82 770.62 0.021907 9.79 318.44 188.53 0.72 POWELLS OR 7300 500-YEAR 2010.00 763.00 770.36 770.36 771.22 0.023943 10.86 427.56 210.40 0.76 POWELLS OR 7045 100-YEAR 1390.00 758.00 765.65 766.11 0.006983 6.70 397.53 161.36 0.46 POWELLS OR 7045 500-YEAR 2020.00 758.00 768.34 768.51 0.002088 4.60 952.84 250.37 0.27 POWELLS CR 6995 100-YEAR 1390.00 757.00 765.35 762.02 765.84 0.004395 5.87 274.11 151.59 0.36 POWELLS CR 6995 500-YEAR 2020.00 757.00 768.28 763.19 768.41 0.001219 3.80 1064.98 248.28 0.20 POWELLS CR 6960 Culvert POWELLS OR 6925 100-YEAR 1390.00 756.10 761.17 760.701 762.57 0.022656 9.89 160.46 306.69 0.79 POWELLS OR 6925 500-YEAR 2020.00 756.10 761.80 761.80 761.95 0.004201 4.62 880.82 313.00 0.35 HEC-RAS Plan: Proposed River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach Riser Ste Profile O Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude 9 Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) POWELLS OR 6875 100-YEAR 1390.00 754.60 760.45 760.45 760.94 0.024296 8.76 397.51 299.45 0.71 POWELLS OR 6875 500-YEAR 2020.00 754.60 760.91 760.72 761.36 0.022359 8.94 536.59 304.06 0.69 POWELLS CR 6490 100-YEAR 1400.00 743.00 750.34 750.34 751.36 0.022201 10.43 266.45 122.08 0.73 POWELLS OR 6490 500-YEAR 2040.00 743.00 750.99 750.99 752.17 0.025024 11.83 351.06 135.86 0.79 POWELLS OR 6120 100-YEAR 1410.00 733.00 740.24 740.24 741.16 0.021135 10.08 290.16 140.62 0.71 POWELLS OR 6120 500-YEAR 2050.00 733.00 740.81 740.81 741.89 0.024869 11.58 373.01 153.57 0.78 POWELLS OR 5735 100-YEAR 1430.00 723.00 730.03 730.03 730.82 0.020602 9.72 329.50 180.49 0.70 POWELLS OR 5735 500-YEAR 2070.00 723.00 730.50 730.50 731.41 0.024178 11.07 415.91 187.99 0.77 POWELLS OR 5190 100-YEAR 1450.00 708.50 715.73 715.72 716.94 0.023431 11.10 242.77 94.52 0.78 POWELLS OR 5190 500-YEAR 2090.001 708.50 716.68 716.47 717.90 0.022033 11.81 338.37 106.87 0.77 POWELLS OR 4885 100-YEAR 1460.00 701.20 708.61 708.61 709.79 0.023425 11.00 257.73 111.73 0.76 POWELLS OR 4885 500-YEAR 2100.00 701.20 709.35 709.35 710.66 0.025503 12.33 346.91 131.93 0.81 POWELLS OR 4345 100-YEAR 1460.00 692.34 698.05 696.06 698.14 0.002337 3.46 826.61 355.19 0.27 POWELLS OR 4345 500-YEAR 2100.00 692.34 700.60 696.45 700.64 0.000673 2.44 1621.12 381.27 0.16 POWELLS OR 4253 100-YEAR 1460.00 689.05 695.78 694.20 697.29 0.012453 9.86 148.15 394.43 0.67 POWELLS OR 4253 500-YEAR 2100.00 689.05 698.39 695.611 700.01 0.008669 10.22 205.40 430.36 0.59 POWELLS OR 4149 Culvert POWELLS OR 4064 100-YEAR 1460.00 689.00 694.18 694.18 696.76 0.030386 12.88 113.36 297.59 1.00 POWELLS OR 4064 500-YEAR 2100.00 689.00 695.59 695.59 698.88 0.028056 14.54 144.41 331.58 1.00 POWELLS OR 3950 100-YEAR 1460.00 684.16 688.89 688.48 689.61 0.021920 8.54 282.01 151.31 0.75 POWELLS OR 3950 500-YEAR 2100.00 684.16 689.60 689.20 690.39 0.020850 9.28 396.08 174.83 0.75 POWELLS OR 3550 100-YEAR 1510.00 670.50 678.44 678.44 679.57 0.022811 10.74 263.35 117.40 0.73 POWELLS CR 3550 500-YEAR 2160.00 670.50 679.17 679.17 680.40 0.024425 11.89 356.04 139.48 0.76 POWELLS CR 3334 100-YEAR 1520.00 665.20 675.13 675.35 0.002222 4.40 582.45 185.78 0.28 POWELLS OR 3334 500-YEAR 2170.00 665.20 676.09 676.35 0.002435 4.98 769.45 205.81 0.30 POWELLS OR 3284 100-YEAR 1520.00 663.00 674.89 669.32 675.19 0.003806 5.05 499.22 171.37 0.27 POWELLS OR 3284 500-YEAR 2170.00 663.00 675.83 671.06 676.16 0.004306 5.66 668.30 189.64 0.29 HEC-RAS Plan: Proposed River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach Riser Ste Profile O Total Min Ch El W.S. Elev Cril W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude 9 Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) POWELLS OR 3260 Culvert POWELLS OR 3186 100-YEAR 1520.00 662.37 668.77 668.11 669.92 0.020162 8.74 189.59 62.41 0.73 POWELLS OR 3186 500-YEAR 2170.00 662.37 669.23 668.96 671.06 0.028668 11.13 220.72 77.87 0.89 POWELLS OR 3166 100-YEAR 1 1520.00 662.211 668.77 669.28 0.0125961 5.76 266.571 92.02 0.58 POWELLS OR 3166 500-YEAR 2170.00 662.21 669.41 670.11 0.013394 6.74 338.80 152.22 0.62 POWELLS OR 3136 100-YEAR 1520.00 661.76 668.35 668.94 0.010161 6.27 270.74 117.80 0.54 POWELLS CR 3136 500-YEAR 2170.00 661.76 668.77 667.78 669.68 0.014208 7.90 326.56 149.91 0.65 POWELLS CR 3026 100-YEAR 1520.00 659.73 666.41 665.67 667.41 0.018799 8.20 226.96 157.94 0.72 POWELLS OR 3026 500-YEAR 2170.00 659.73 667.25 667.25 668.13 0.014927 8.24 414.29 276.54 0.66 POWELLS OR 12965 100-YEAR 1 1520.00 659.391 664.99 664.42 666.12 0.021793 8.61 192.02 105.96 0.78 POWELLS OR 2965 500-YEAR 2170.00 659.39 666.12 666.12 666.98 0.013452 8.06 414.91 295.91 0.64 POWELLS OR 2860 100-YEAR 1530.00 658.55 664.11 664.52 0.010110 6.25 440.01 334.41 0.54 POWELLS OR 2860 500-YEAR 2190.00 658.55 664.62 665.00 0.009124 6.42 616.23 344.84 0.52 POWELLS OR 2365 100-YEAR 1550.00 649.70 656.25 656.25 657.00 0.025714 9.98 353.29 205.08 0.75 POWELLS OR 2365 500-YEAR 2200.00 649.70 656.67 656.67 657.53 0.029614 11.26 443.16 220.29 0.82 POWELLS OR 1810 100-YEAR 1570.001 641.00 646.59 646.19 646.79 0.010917 5.90 540.911 389.12 0.49 POWELLS OR 1810 500-YEAR 2230.00 641.001 647.06 646.451 647.26 0.009592 5.90 734.38 430.77 0.46 POWELLS OR 1290 100-YEAR 1580.00 633.30 638.33 638.33 638.71 0.023710 8.23 428.28 421.64 0.72 POWELLS OR 1290 500-YEAR 2250.00 633.30 638.51 638.51 639.01 0.030592 9.63 508.85 446.55 0.82 POWELLS OR 1111 100-YEAR 1590.00 630.60 635.53 635.60 0.005556 4.05 853.82 709.981 0.35 POWELLS OR 1111 500-YEAR 2260.00 630.60 635.81 635.90 0.005707 4.29 1058.53 715.44 0.36 POWELLS OR 1061 100-YEAR 1590.00 629.90 635.03 634.78 635.27 0.006930 5.50 679.22 700.53 0.45 POWELLS CR 1061 500-YEAR 2260.00 629.90 635.38 635.12 635.59 0.006267 5.49 928.05 707.30 0.43 POWELLS CR 1040 Culvert POWELLS OR 1019 100-YEAR 1590.00 629.20 634.20 634.20 634.53 0.009727 6.18 602.79 702.05 0.52 POWELLS OR 1019 500-YEAR 2260.00 629.20 634.40 634.40 634.77 0.011864 7.03 741.59 706.49 0.58 HEC-RAS Plan: Proposed River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach Riser Ste Profile 0 Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude 9 Chi (cfs) (ft) (ft) (ft) (ft) (ft/ft) (R/s) (sq ft) (ft) POWELLS CR 969 100-YEAR 1590.00 628.40 633.01 632.75 633.15 0.011952 5.50 631.25 619.54 0.50 POWELLS CR 969 500-YEAR 2260.00 628.40 633.26 632.90 633.43 0.012178 5.80 789.65 632.95 0.51 POWELLS CR 185 100-YEAR 1620.00 616.00 622.50 621.61 623.71 0.014932 9.08 204.50 60.00 0.68 POWELLS CR 185 500-YEAR 2290.00 616.00 624.00 622.81 625.19 0.011414 9.31 308.00 78.00 0.62 Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 07 i( .07 s1o1-1 o s Legend 805 EG 500-YEAR WS 500-YEAR 800 EG 100-YEAR a Cdt 100-YEAR 795 > WS 100-YEAR m w 790 � Ground • Bank Sta 785 780 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 07 i.07 800 6 6 Legend 795 EG 500-YEAR WS 500-YEAR 790 EG 100-YEAR o WS 100-YEAR 785 > Ground m w • 780 Bank Sta 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 07 �.07 800 0 6 legend ........................... 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 .................a................. > Cdt 500-YEAR m 780 Cdt 100-YEAR .........................,......... Ground 775 Ineff • Bank Ste 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 Railroad Ave. - Route 788 07 �.07 800 6 6 legend 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C WS 100-YEAR c 0 > Cdt 100-YEAR d................................... w 780 Cdt 500-YEAR Ground 775 Ineff • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) 800 Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 6 legend ........................... 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 .................a................. > Cdt 500-YEAR m 780 Cdt 100-YEAR ........... ........+........ Ground 775 Ineft • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 J 1 .1 800 0 6 Legend ------------- •------------- 795 EG 500-YEAR WS 500-YEAR 790 EG 100-YEAR c o WS 100-YEAR 785 > Ground m w 780 Ban•k Sta 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 800 6 legend ........................... 795 EG 500-YEAR WS 500-YEAR 790 ---------------------------- EG 100-YEAR +C c WS 100-YEAR 785 ......a... ......... > Crit 500-YEAR m 780 Crit 100-YEAR .-..........+....... ................. . Ground 775 Ineif • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 CSX Railway 1 1 800 0� 2 legend 5 ------------- I--------- 795 EG 500-YEAR WS 500-YEAR 790 EG 100-YEAR +C WS 100-YEAR c 785 .................a................. > Crit 500-YEAR m 780 Crit 100-YEAR Ground ....................... , ........ 775 Ineff • Bank Sta 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 .1 _L.06Ti( .1 790 Legend ------------- A--------- EG500.YEAR 785 EG 100-YEAR WS 500-YEAR 780 .................a................. .................................................................................................................................... Cdt 500-YEAR 0 WS 100-YEAR y 775 ............... ................ +. Cdt100-YEAR Ground 770 A Ineff • Bank Sta 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1 J L r 1 790 0 6 Legend •------------- ------------- EG 500-YEAR 785 EG 100.YEAR WS 500-YEAR 780 .....•_______ a Cd1500-YEAR ..........................................................................................-------- WS 100-YEAR m Cdt100-YEAR Ground 770 • Bank Sta 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) ip c 0 N w 1700 1800 Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1900 2000 2100 2200 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1)ULr 1 6 1800 1900 2000 2100 2200 2300 Station (ft) 2300 ---- -- EG500.YEAR EG 100-YEAR WS 500-YEAR ................................. Crit 100-YEAR Ground • Bank Sta 2400 Legend ------------- •------------- EG 500-YEAR WS 500-YEAR EG 100-YEAR WS 100-YEAR Ground • Bank Sta 2400 2500 Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 .1 C06Ti( .1 785 Legend ------------- A--------- 780 EG 500-YEAR WS 500-YEAR 775 ---------------------------- EG 100-YEAR +C c WS 100-YEAR n0 ................................... > Crit 500-YEAR m 765 Crit 100-YEAR Ground 760 Ineif • Bank Ste 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 Cling Lane - Route 1226 785 Legend ---------I--------- 780 EG 500-YEAR WS 500-YEAR 775 ---------------------------- EG 100-YEAR C..... ............ a................. c Crit 500-YEAR 770 WS 100-YEAR m 765 Crit 100-YEAR Ground 760 Ineff • Bank Sta 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) ip c 0 m w ip W 1800 1900 i.1 1900 Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 . i4 .1 8 2400 2000 2100 2200 2300 2400 Station (ft) EG 100-YEAR EG 500-YEAR WS 500-YEAR .................a................. Cdt 500-YEAR WS 100-YEAR ................................... Cdt 100-YEAR Ground Ineff • Bank Sta 2500 ------------- •------------- EG 500-YEAR ---------------------------- EG 100-YEAR WS 500-YEAR ................................... Crit 100-YEAR Ground • Bank Sta 2500 Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 r 770 0 6 Legend •------------- 765 ------------- EG 500-YEAR EG 100-YEAR 760 WS 500-YEAR a Cdt 500-YEAR 755 > WS 100-YEAR N._._._._._._._._._-a-_._._._._._._._._._._._..--- W................................. 750 Cdt 100-YEAR Ground 745 • Bank Sta 740 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1 I 1 760 U 6 Legend •------------- 755 ------------- EG 500-YEAR EG 100-YEAR 750 WS 500-YEAR a Cd1500-YEAR 745 > WS 100-YEAR d............................................................................... 740 Cdt 100-YEAR Ground 735 • Bank Sta 730 1600 1700 1800 1900 2000 2100 2200 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 750 U 6 Legend •------------- 7a5 ------------- EG 500-YEAR EG 100-YEAR 740 WS 500-YEAR o Cdt 500-YEAR 735 > WS 100-YEAR m 730 ---- ----- - ---- - - --- - - __- - dt 100.YEAR Ground 725 • Bank Sta 720 1700 1800 1900 2000 2100 2200 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1 J L r 1 745 0 6 Legend Tao - -----------•------------- EG 500-YEAR 735 EG 100-YEAR WS 500-YEAR 730 a Cd1500-YEAR 725 > WS 100-YEAR m w 720 ............................. Cdt100.YEAR 715 Ground • 710 Bank Sta 705 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 _I 730 0 6 Legend •------------- 725 ------------- EG 500-YEAR EG 100-YEAR 720 WS 500-YEAR a Cdt 500-YEAR > 715 WS 100-YEAR m W............................. 710 .................................................................................... Cdt 100.YEAR Ground 705 • Bank Sta 700 1700 1800 1900 2000 2100 2200 Station (ft) L Powells Creek Proposed L —TEST Plan: Proposed 12/14/2022 r 1 06 _L 1 720 Legend ------------- A--------- 715 EG 500-YEAR WS 500-YEAR 710 ---------------------------- EG 100.YEAR +C WS 100-YEAR c 705 .................a................. > Cdt 500.YEAR m 700 Cdt 100.YEAR Ground Ineff 695 • Bank Sta 690 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 710- Legend ------------- A ------------- EG 500-YEAR 705 WS 500-YEAR ---------------------------- EG 1 00-YEAR 700- ------------------------------------------------------------------------------------------------- ---- ---------------------------------------------------------------------------------------------------------------------------------- WS 1 00-YEAR 0 . .................a................. 1 Crit 500.YEAR 695 ..... ........... . ................. Crit 1OD-YEAR Ground 690- -----A— Ineff • 1 Bank Sta 685 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 710- Legend ------------- I ------------- EG 500-YEAR 705- WS 500-YEAR ---------------------------- EG 1 00-YEAR 700- ----------------------------------------------------------------------- ------ - -------------------------------------------------------------------------------------------------- 0 WS 1 00-YEAR . 1 .................a................. Crit 500.YEAR 695 ................. . ................. Crit 1OD-YEAR .................................................................. ..... ...... ...... ..... .................................................. ............................ Ground 690 - A Ineff i Ba,*k Sta 685 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 r 06 715 legend ------------- A--------- 710 EG 500-YEAR --------------------------- EG 100-YEAR 705 WS 500-YEAR C.................a................. c Crit 500-YEAR 700 ...._______...___________________—_—_—_—_—_—_—_—_—_—__•_____—_—__—_—_—_—_—_—_—_—_—_—_—__—_—_-- WS 100-YEAR m Crit 100-YEAR 695 Ground 690 Ineff • Bank Sta 685 1800 1850 1900 1950 2000 2050 2100 2150 2200 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1 L 06 696 Legend ------------- •--------- 694 EG 500-YEAR ---------------------------- EG 100-YEAR 692 WS 500-YEAR C..... ............ a................. .......... .............._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.............._ Crit 500-YEAR 690 ...............................................................................................................................................____ WS 100-YEAR � _ w ....................................................................................................... ................. .................. Crit 100-YEAR 688 � Ground 686 Ineff • Bank Sta 684 1150 1200 1250 1300 1350 1400 1450 1500 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1 �.07 700 0 6 Legend •------------- 695 ------------- EG 500-YEAR EG 100-YEAR 690 WS 500-YEAR a Cdt 500-YEAR 685 > WS 100-YEAR m W................................. 680 ...........................................................-------------- ------------------------------------------------- -------- Cdt 100-YEAR . Ground 675 • Bank Sta 670 1600 1700 1800 1900 2000 2100 2200 Station (fl) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1 _(..06' - 07 710 Legend ------------- •------------- EG 500-YEAR 700 WS 500-YEAR EG 100-YEAR 690 a WS 100-YEAR > Ground w 680 • Bank Sta 670 660 1400 1600 1800 2000 2200 2400 Station (fl) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 r .1 '16 �.07 710 6 Legend ------------- A--------- EG 500-YEAR 700 ' WS 500-YEAR ---------------------------- EG 100-YEAR 690 WS 100-YEAR a ............ a................. y..... > Cdt 500-YEAR w 680 ............... ................ +. Cdt 100-YEAR Ground 670 Ineff • Bank Ste 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 Jarmins Gap Road - Route 691 r .1 '1 �.07 710 O 6 Legend ------------- I--------- EG 500-YEAR 700 ' WS 500-YEAR ---------------------------- EG 100-YEAR 690 WS 100-YEAR a ............ a................. y..... > Cdt 500-YEAR w 680 ............... ................ +. Cdt 100-YEAR Ground 670 A Ireff • Bank Sta 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 REVISED CROSS SECTION 695 Legend 690 ------------- •------------- EG 500-YEAR 10-YR EG 0EA 685 WS 500-YEAR a 680 Cdt 500-YEAR 675 WS 100-YEAR W................................. Cdt 100-YEAR 670 Ground 665 Bank Sta 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 NEW SURVEY CROSS SECTION .07 O6 1 695 Legend 690 ------------- •------------- EG 500-YEAR WS 500-YEAR 685 EG 100-YEAR c a 680 WS 100-YEAR 675 Ground w Ban•k Sta 670 665 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Proposed REVISED CROSS SECTION 12/14/2022 .07 _�_ .06 690 Legend 685 ------------- I------------- EG 500-YEAR EG 100-YEAR 680 WS 500-YEAR c o WS 100-YEAR 675 ________•___........... > Crit 500-YEAR m w 670 -------------------------------------------'-......_ � Ground • Bank Sta 665 660 1400 1600 1800 2000 2200 2400 Station (fl) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 NEW SURVEY CROSS SECTION it .07 _i'.06 �.1 690� Legend 685 ------------- I------------- EG 500-YEAR EG 100-YEAR 680 WS 500-YEAR `0 675 Grit 500-YEAR 670 WS 100-YEAR w .............................................+..-..-..-..-.. -..-..-..-..-..-..-. .............. . ................. Crit 100-YEAR 665 Ground • 660 Bank Sta 655 1400 1600 1800 2000 2200 2400 Station (fl) ip 1500 c w Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 REVISED CROSS SECTION .07 'i( .06 1600 1700 1800 1900 2000 2100 Station (fl) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 REVISED CROSS SECTION .,rr 1800 Station (R) 2000 1 2200 1— ) I 2200 ........................... EG 500-YEAR ---------------------------- EG 100-YEAR a WS 500-YEAR Crit 500-YEAR Crit 100-YEAR Ground • Bank Sta 2300 Legend ------------- •------------- EG 500-YEAR WS 500-YEAR EG 100-YEAR WS 100-YEAR Ground • Bank Sta 2400 Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 �.1 675 6 6 Legend 670 ........................... EG 500-YEAR EG 100-YEAR 665 WS 500-YEAR o Cdt 500-YEAR 660 > WS 100-YEAR 655 Cdt 100-YEAR Ground 650 • Bank Sta 645 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 .07 665 6 Legend •------------- ------------- EG 500-YEAR 660 WS 500-YEAR EG 100-YEAR 655 a WS 100-YEAR > Cdt 500-YEAR m Cdt 100-YEAR ......................................................... Ground 645 • Bank Sta 640 1600 1800 2000 2200 2400 2600 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1 07 655 0 6 Legend EG 500-YEAR 650 EG 100-YEAR • WS 500-YEAR c 645 ...•_______ a Cdt 500-YEAR > WS 100-YEAR m ul640 --- --- --- --- --- -- Cdt 100-YEAR Ground 635 • Bank Sta 630 1900 2000 2100 2200 2300 2400 2500 2600 2700 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 1 --11it .07 sss 6 Legend •------------- ------------- EG 500-YEAR 650 WS 500-YEAR EG 100-YEAR � 645 a WS 100-YEAR > Ground w 640 • Bank Sta 635 630 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 .o 655 0 6 Legend 650 EG 500-YEAR WS 500-YEAR 645 ---------------------------- EG 100-YEAR c Crites 0-YEAR 0 '' 640 WS 100-YEAR d................................... w 635 ....... ....... ....... ....... Crit 100.YEAR Ground 630 Ineff • Bank Ste 625 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 Cathaross Lane 1 .07 655 6 6 Legend 650 EG 500-YEAR WS 500-YEAR 645 ---------------------------- EG 100-YEAR +C c WS 100-YEAR c640 .................a................. > Crit 500.YEAR m 635 Crit 100.YEAR Ground 630 Ineff • Bank Sta 625 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 .07 i( .07 660 U 6 Legend ------------- •--------- 655 EG 500-YEAR --------------------------- EG 100-YEAR 650 WS 500-YEAR c 645 Cdt 500-YEAR 0 WS 100-YEAR 640 W................................. Cdt 100-YEAR 635 ' Ground 630 inert • Bank Sta 625 1600 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 07 �. r .07 655 6 6 Legend 650 EG 500-YEAR WS 500-YEAR 645 EG 100-YEAR +C WS 100-YEAR a y 640 ..._______•_______ I.. > Cdt 500-YEAR m 635 Cdt 100-YEAR Ground 630 • Bank Sta 625 1600 1800 2000 2200 2400 2600 2800 Station (ft) Powells Creek Proposed —TEST Plan: Proposed 12/14/2022 _1 _I_.06i( .07 645 Legend 640 ------------- •------------- EG 500-YEAR WS 500-YEAR 635 EG 100-YEAR a Cdt 500-YEAR 630 > WS 100-YEAR m 625 _._._i._._._._._._..- Cdt 100-YEAR ......... ................... Ground 620 • Bank Sta 615 1700 1800 1900 2000 2100 2200 2300 2400 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 OWELLS CREEK POWELLS CR 800- Legend EG Floodway EG I 00-Year WS Floodway WS 100-year C rit 100-Year 750- ....................................... Crit Floodway Ground 0 .-g 700- 650- 600- 0 2000 4000 6000 8000 Main Channel Distance (ft) HEC-RAS Plan: PROP FLDWY River: POWELLS CREEK Reach: POWELLS CR Reach River Ste Profile 0 Total Min Ch El W.S. Elev Cnt W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (ch) (fi) (fi) (fi) (ft) (ftfft) MIS) (SQ fl) (fl) POWELLS CR 7960 100-Year 1350.00 780.50 786.34 786.34 786.99 0.026902 9.12 262.72 176.45 0.74 POWELLS CR 7960 Floodway 1350.00 780.50 786.37 786.37 787.08 0.027894 9.33 246.36 150.00 0.75 POWELLS CR 7755 100-Year 1360.00 773.70 786.11 786.12 0.000142 1.21 1768.68 343.89 0.06 POWELLS CR 7755 Floodway 1360.00 773.70 786.16 786.18 0.000236 1.56 1135.29 150.00 0.08 POWELLS CR 7705 100-Year 1360.00 772.10 786.11 778.00 786.12 0.000088 1.15 1996.44 343.71 0.05 POWELLS CR 7705 Floodway 1360.00 772.10 786.15 778.00 786.17 0.000123 1.36 1361.39 150.00 0.06 POWELLS CR 7675 Culvert POWELLS CR 7645 100-Year 1360.00 771.10 786.09 777.05 786.10 0.000126 1.44 2085.09 343.06 0.07 POWELLS CR 7645 Floodway 1360.00 771.10 786.06 777.05 786.12 0.000382 2.50 981.14 135.13 0.12 POWELLS CR 7632 100-Year 1360.00 770.90 786.09 1 786.10 0.0001261 1.48 2079.701 342.98 0.07 POWELLS CR 7632 Floodway 1360.00 770.90 786.07 786.10 0.000168 1.71 1426.81 150.00 0.08 POWELLS CR 7619 100-Year 1360.00 770.60 785.93 776.99 786.06 0.000634 3.29 519.06 337.48 0.15 POWELLS CR 7619 Floodway 1360.00 770.60 785.93 776.99 786.06 0.000634 3.29 519.06 150.00 0.15 POWELLS CR 7575 Bridge POWELLS CR 7530 100-Year 1360.00 769.90 776.00 776.00 777.78 0.028033 11.31 148.28 217.09 0.87 POWELLS CR 7530 Floodway 1360.00 769.90 776.01 776.01 777.78 0.028007 11.31 148.33 44.00 0.87 POWELLS CR 7480 100-Year 1360.00 768.40 774.88 774.88 775.65 0.021905 9.77 319.10 187.41 0.73 POWELLS CR 7480 Floodway 1360.00 768.40 774.83 774.83 775.59 0.021595 9.65 299.36 150.00 0.72 POWELLS CR 7300 100-Year 1370.00 763.00 769.82 769.82 770.62 0.021907 9.79 318.44 188.53 0.72 POWELLS CR 7300 Floodway 1370.00 763.00 769.80 769.80 770.57 0.021160 9.60 300.38 150.00 0.70 POWELLS CR 7045 100-Year 1390.00 758.00 765.65 766.11 0.0069831 6.70 397.53 161.36 0.46 POWELLS CR 7045 Floodway 1390.00 758.00 765.67 766.11 0.006617 6.54 374.91 120.00 0.45 POWELLS CR 6995 100-Year 1390.00 757.00 765.35 762.02 765.84 0.004395 5.87 274.11 151.59 0.36 POWELLS CR 6995 Floodway 1390.00 757.00 765.35 762.02 765.84 0.004395 5.87 274.11 44.00 0.36 POWELLS CR 6960 Culvert HEC-RAS Plan: PROP FLDWY River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile 0 Total Min Ch El W.S. Elev Cril W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (ch) (fi) (fi) (fi) (ft) (ftfft) MIS) (SQ fl) (fl) POWELLS CR 6925 100-Year 1390.00 756.10 761.17 760.70 762.57 0.022656 9.89 160.46 306.69 0.79 POWELLS CR 6925 Floodway 1390.00 756.10 762.02 760.70 762.98 0.012853 8.30 202.04 44.00 0.61 POWELLS CR 6875 100-Year 1390.00 754.60 760.45 760.45 760.94 0.024296 8.76 397.51 299.45 0.71 POWELLS CR 6875 Floodway 1390.00 754.60 761.06 761.06 762.04 0.029925 10.55 242.10 100.00 0.80 POWELLS CR 6490 100-Year 1400.00 743.00 750.34 750.34 751.36 0.022201 10.43 266.45 122.08 0.73 POWELLS CR 6490 Floodway 1400.00 743.00 750.44 750.44 751.36 0.019825 9.96 278.92 122.06 0.69 POWELLS CR 6120 100-Year 1410.00 733.00 740.24 740.24 741.16 0.021135 10.08 290.16 140.62 0.71 POWELLS CR 6120 Floodway 1410.00 733.00 740.31 740.31 741.15 0.019515 9.75 299.58 140.61 0.68 POWELLS CR 5735 100-Year 1430.00 723.00 730.03 730.03 730.82 0.020602 9.72 329.50 180.49 0.70 POWELLS CR 5735 Floodway 1430.00 723.00 730.09 730.09 730.81 0.018919 9.38 340.81 180.48 0.67 POWELLS CR 5190 100-Year 1450.00 708.50 715.73 715.72 716.94 0.023431 11.10 242.77 94.52 0.78 POWELLS CR 5190 Floodway 1450.00 708.50 715.82 715.82 716.93 0.021509 10.74 251.13 94.55 0.75 POWELLS CR 4885 100-Year 1460.00 701.20 708.61 708.61 709.79 0.023425 11.00 257.73 111.73 0.76 POWELLS CR 4885 Floodway 1460.00 701.20 708.77 708.77 709.77 0.019841 10.29 275.62 111.70 0.71 POWELLS CR 4345 100-Year 1460.00 692.34 698.05 696.06 698.14 0.002337 3.46 826.61 355.19 0.27 POWELLS CR 4345 Floodway 1460.00 692.341 698.07 696.05 698.38 0.005401 5.27 392.84 90.00 0.41 POWELLS CR 4253 100-Year 1460.00 689.05 695.78 694.20 697.29 0.012453 9.86 148.15 394.43 0.67 POWELLS CR 4253 Floodway 1460.00 689.05 695.78 694.21 697.29 0.012453 9.86 148.15 78.00 0.67 POWELLS CR 4149 Culvert POWELLS CR 4064 100-Year 1460.00 689.00 694.18 694.18 696.76 0.0303% 12.88 113.36 297.59 1.00 POWELLS CR 14064 Floodway 1460.00 689.00 694.19 694.19 696.76 0.030208 12.86 113.56 48.00 1.00 POWELLS CR 3950 100-Year 1460.00 684.16 688.89 688.48 689.61 0.021920 8.54 282.01 151.31 0.75 POWELLS CR 3950 Floodway 1460.00 684.16 688.85 688.45 689.64 0.023716 8.82 256.17 100.00 0.78 POWELLS CR 3550 100-Year 1510.00 670.50 678.44 678.44 679.57 0.022811 10.74 263.35 117.40 0.73 POWELLS CR 3550 Floodway 1510.00 670.50 678.45 678.45 679.52 0.021573 10.46 258.60 100.00 0.71 POWELLS CR 3334 100-Year 1 1520.00 665.20 675.13 675.35 0.002222 4.40 582.45 185781 0.28 HEC-RAS Plan: PROP FLDWY River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Ste Profile O Total Min Ch El W.S. Ele✓ Cdl W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (ch) (fi) (fi) (fi) (R) (fttft) MIS) (SQ fl) (fl) POWELLS CR 3334 Floodway 1520.00 665.20 675.79 676.01 0.001886 4.28 508.82 95.00 0.26 POWELLS CR 3284 100-Year 1520.00 663.00 674.89 669.32 675.19 0.003806 5.05 499.22 171.37 0.27 POWELLS CR 3284 Floodway 1520.00 663.00 675.60 669.32 675.88 0.003171 4.80 442.69 85.00 0.25 POWELLS CR 3260 Culvert POWELLS CR 3186 100-Year 1520.00 662.37 668.77 668.11 669.92 0.020162 8.74 189.59 62.41 0.73 POWELLS CR 3186 Floodway 1520.00 662.37 668.82 669.95 0.019537 8.67 188.26 54.47 0.72 POWELLS CR 3166 100-Year 1520.00 662.21 668.77 669.28 0.012596 5.76 266.57 92.02 0.58 POWELLS CR 3166 Floodway 1520.00 662.21 668.85 669.34 0.011607 5.62 273.04 90.00 0.56 POWELLS CR 3136 100-Year 1520.00 661.76 668.35 668.94 0.010161 6.27 270.74 117.80 0.54 POWELLS CR 3136 Floodway 1520.00 6311.761 W8.50 1 669.03 0.0087941 5.97 272.581 75.00 0.51 POWELLS CR 3026 100-Year 1520.00 659.73 666.41 665.67 667.41 0.018799 8.20 226.96 157.94 0.72 POWELLS CR 3026 Floodway 1520.00 659.73 666.52 667.60 0.019060 8.36 182.49 49.71 0.73 POWELLS CR 2965 100-Year 1520.00 659.39 664.99 664.42 666.12 0.021793 8.61 192.02 105.96 0.78 POWELLS CR 2965 Floodway 1520.00 659.39 665.83 666.60 0.011260 7.08 218.16 50.00 0.58 POWELLS CR 2860 100-Year 1530.00 658.55 664.11 664.52 0.010110 6.25 440.01 334.41 0.54 POWELLS CR 2860 Floodway 1530.00 658.55 664.67 665.43 0.011752 7.33 237.41 60.00 0.59 POWELLS CR 2365 100-Year 1550.00 649.70 656.25 656.25 657.00 0.025714 9.98 353.29 205.08 0.75 POWELLS CR 2365 Floodway 1550.00 649.70 656.30 656.30 657.13 0.026790 10.25 308.26 145.20 0.77 POWELLS CR 1810 100-Year 1570.00 641.00 646.59 646.19 646.79 0.010917 5.90 540.91 389.12 0.49 POWELLS CR 1810 Floodway 1570.00 641.00 647.50 646.74 647.83 0.010215 6.44 395.53 150.00 0.48 POWELLS CR 1290 100-Year 1580.00 633.30 638.33 638.33 638.71 0.023710 8.23 428.28 421.64 0.72 POWELLS CR 1290 Floodway 1580.00 633.30 638.70 638.70 639.42 0.028866 9.62 272.74 150.00 0.80 POWELLS CR 1111 100-Year 1590.00 630.60 635.53 635.60 0.005556 4.05 853.82 709.98 0.35 POWELLS CR 1111 Floodway 1590.00 630.60 636.29 636.50 0.007554 5.29 477.13 200.00 0.42 POWELLS CR 1061 100-Year 1590.00 629.90 635.03 634.78 635.27 0.006930 5.50 679.22 700.53 0.45 POWELLS CR 1061 Floodway 1590.00 629.90 636.12 634.60 636.27 0.002713 3.97 603.79 191.00 0.29 HEC-RAS Plan: PROP FLDWY River: POWELLS CREEK Reach: POWELLS CR (Continued) Reach River Sta Profile 0 Total Min Ch El W.S. Elev Cdl W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # Chi (cls) (fi) (fi) (fi) (ft) (fUfl) (it/s) (sq fi) (fl) POWELLS CR 1040 Culvert POWELLS CR 1019 100-Year 1590.00 629.20 634.20 634.20 634.53 0.009727 6.18 602.79 702.05 0.52 POWELLS CR 1019 Floodway 1590.00 629.20 634.34 634.26 634.98 0.014174 7.62 329.02 188.36 0.63 POWELLS CR 969 100-Year 1590.00 628.40 633.01 632.75 633.15 0.011952 5.50 631.25 619.54 0.50 POWELLS CR 969 Floodway 1590.00 628.40 633.71 634.08 0.016467 7.25 368.79 200.00 0.61 POWELLS CR 185 100-Year 1620.00 616.00 622.50 621.63 623.71 0.014932 9.08 204.50 60.00 0.68 POWELLS CR 185 Floodway 1620.00 616.00 622.70 621.63 623.79 0.012945 8.66 216.50 60.00 0.64 Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 07 i4 .07 810 6 Legend 805 EG Floodway EG 100-Year 800 WS Floodway o Cdt Floodway 795 WS 100-Year m 790 Crit 100-Year ...................................................................................................... Ground • 785 Bank Sta Encroachment 780 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 07 i.07 800 6 6 Legend 795 -------------------------- EG Floodway WS Floodway 790 -------------------------- EG 100-Year +C o WS 100-Year 785 > Ground m w 780 • Bank Sta Encroachment 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 07 �.07 800 0 Legend 6 EG Floodway 795 WS Floodway 790 EG 100-Year WS 100-Year 785 Crit 100-Year ............... 4.............. m Crit Floodway W � 780 Ground ........................4.......... • Ineg 775 Bank Sta Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 Railroad Ave. - Route 788 07 �.07 800 0 Legend 6 EG Floodway 795 WS Floodway 790 ------------------------ EG 100-Year WS 100-Year 785 Crit Floodway m Crit 100-Year w 780 Ground • Ineg 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 J 800 0 Legend 6 EG Floodway 795 -- ----- ------------ -EG 100-Year 790 WS 100-Year WS Floodway 785 Cri1100-Year ............... 4.............. m Crit Floodway W � 780 Ground Ineff 775 Bank Sta Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 1 _I .1 800 0 6 Legend 795 --------------------------- EG 100-Year .......................... EG Floodway 790 WS 100-Year c o WS Floodway 785 > Ground m w � 780 Bank Ste Encroachment 775 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 J 800 0 Legend 6 EG 100-Year 795 ....................... EG Floodway 790 WS Floodway WS 100-Year 785 Crit 100-Year ............... 4.............. m Crit Floodway W � 780 Ground • ...........a........ Ineg 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (n) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 CSX Railway 1 1 800 0� Legend 2 5 - --------------- EG 100-Year 795 ----------- •-------- Moll EG Floodway 790 WS Floodway WS 1 Year 785 + Crit 100-Year .......... ..... 4.............. m Crit Floodway W � 780 Ground • Ineg 775 Bank Ste Encroachment 770 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (fl) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 790 Legend ------------------------ EG 100-Year 785 -------•-------- EG Floodway WS Floodway ^ 780 .............-4.............. Crit Floodway c WS 100-Year y 775 d ear Ground • Ineg 770 � Bank St, Encroachment 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 1 J L 1 r 790 0 6 Legend -------------------------- EG 100-Year 785 ......................... EG Floodway ................................. Cm 100-Year 780 `o WS 100-Year d........................................................a..................................... WS Flo0dway w 775 ..............a....... Crit Floodway Ground 770 • Bank Sta Encroachment 765 1700 1800 1900 2000 2100 2200 2300 Station (ft) c c 0 m w 1700 1800 Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 I L 6 1800 1900 2000 2100 Station (ft) EG 100-Year EG Floodway ................................. Crit 100-Year WS 100-Year WS Floodway ................ a................ Crit Floodway Ground Bank Sta Encroachment 2400 Legend --------------------------- EG 100-Year .......................... EG Floodway WS Floodway WS 100-Year Ground • Bank Ste Encroachment 2200 2300 2400 2500 Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 _I'.olpi( 78s Legend ------------------------ EG 100-Year 780 ...........4........... EG Floodway 775 WS Floodway WS 100-Year 770 Crit Floodway m Crit 100-Year w..................................................... 765 Ground • Ineff 760 Bank St, Encroachment 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 Cling Lane - Route 1226 785 Legend EG 100-Year 780 ._ _ _ _ 4-_.._._.. EG Floodway 775 Crit 100-Year WS Floodway 0 770 WS 100-Year m Crit Floodway W 765 Ground • Inefi 760 Bank Ste Encroachment 755 1700 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 06)4 780- Legend ----------------------- EG Floodway 775 ---- ------------- EG 1 00-Year WS Floodway 770- WS 100-Year . 1 0 Crit I 00-Year .......... .... I .............. 765 Crit Floodway -------------------------------------------- - --------------------------------------------------------------------------------------------- -- -------------------------------------------------------------------------------- Ground • 760-• Bank Ste 1 Encroachment 755 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 780-. 6 6 Legend ------------ ----------- 775 EG Floodway WS Floodway 770 .......... ..... I ................ Crirt Floodway -------- ------------------ EG 100-Year .-g 765- WS 1 00-Year w760 ........................... ...... Crit 1 00-Year Ground 755 Barek Sta Encroachment 750 1800 1900 2000 2100 2200 2300 2400 2500 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 If 770 0� 6 Legend 765 EG 100-Year EG Floodway 760 WS Floodway C................................. o Cdt Floodway .-g 755 WS 100-Year d W 750 ._._._._._._._._..._._._. _._._._._._ _ _ _ _ ................................ . Cril 100.Year Ground • 745 Bank Sta Encroachment 740 1700 1800 1900 2000 2100 2200 2300 station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 1 I 1 760 6 6 Legend 755 EG 100-Year EG Floodway 750 WS Floodway C................................. o Cdt Floodway 745 > WS 100-Year m w...........................r _ _ __________.�__________. 740 Crt 100.Year Ground • 735 Bank Sta Encroachment 730 1600 1700 1800 1900 2000 2100 2200 station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 750 6 6 Legend 745 EG 100-Year EG Floodway 740 WS Floodway C................ a................ o Cdt Floodway 735 WS 100-Year m w. 730 ........................ Cril 100.arYe Ground • 725 Bank Sta Encroachment 720 1700 1800 1900 2000 2100 2200 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 r 745 0 6 Legend 740 EG 100.Year 735 EG Floodway WS Floodway .... 730 ............a ................ `o Cdt Floodway 725 > WS 100-Year m w 720 ........................... Crt 100.arYe 715 Ground • Bank Sta 710 Encroachment 705 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 1 ' 730 0 6 Legend 725 EG 100-Year ............ r ----------- EG Floodway 720 WS Floodway C................ a................ o Crit Floodway 715 > WS 100-Year m 710 _._-------------------------------- _ _ _ _._____.._____ Crit 100-Year Ground • 705 Bank Sta Encroachment 700 1700 1800 1900 2000 2100 2200 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 L r 1 L 06 _L 720 Legend ....................... EG Floodway 715 EG 100-Year 710 WS Floodway WS 100-Year 705 Cri1100-Year m .......... ..... 4.............. Crit Floodway W 700 Ground • Ineg 695 .............................. ....................................................... • Bank Ste Encroachment 690 1600 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 J 06 710 Legend ----------------------- EG Floodway 705 EG 100-Year WS Floodway 700 WS 100-Year C.......... ._._._._._._._._._._._._._._._._._._._._._._._._._._._._......_._ _ ....._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.--_---.--._.. ..... 4.............. Crit Floodway w 695 rd ear Ground • Inefi 690 Bank St, Encroachment 685 1800 1900 2000 2100 2200 2300 Station (n) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 710 Legend ------------------------ EG 100-Year 705 ...................... EG Floodway WS Floodway 700 WS 100-Year c 0 — Crit 100-Year .............-4.............. w 695 Crit Floodway .....................................................................r............................................................ ............................. Ground • Inefi 690 � Bank Ste Encroachment 685 1800 1900 2000 2100 2200 2300 Station (Tt) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 r .06 .1 715 Legend ------------------------ EG 100-Year 710 ....................... EG Floodway 705 WS Floodway .......... ..... 4.............. ^ Crit Floodway 0 '� 700 WS 100-Year m Crit ear w ---------------------------------------------------------------------------------'- ---------------------- ----- -------------- --------------------------------------------------------- --- 695 Ground • Inefi 690 Bank St, Encroachment 685 1800 1850 1900 1950 2000 2050 2100 2150 2200 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 1 L .06 1 696 Legend ....................... EG Floodway 694 EG 100-Year 692 WS 100-Year WS Floodway 690 ...........................................................4...................................................................... Cri1100-Year m . ..........-4.............. Crit Floodway w.. ..................4........................................................................... ........ 688 Ground • Inefi 686 Bank Ste Encroachment 684 1150 1200 1250 1300 1350 1400 1450 1500 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 1 �.07 700 0 6 Legend 695 EG 100-Year ------------ ----------- EG Floodway 690 WS Floodway c................................. o Crit Floodway 685 WS 100-Year m 680 Crit 100-Year Ground • 675 Bank Sta Encroachment 670 1600 1700 1800 1900 2000 2100 2200 station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 710 Legend ------------`------------ EG Floodway 700 WS Floodway -------------------------- EG 100-Year 690 a WS 100-Year > Ground °i w 680 • Bank Ste Encroachment 670 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 .1 .07 710 O Legend 6 ...........4........... EG Floodway 700 WS Floodway ------------------------ EG 100-Year 690 WS 100-Year c 0 — Crit 100-Year 680 Crit Floodway ty Ground • Inefi 670 0 Bank Ste Encroachment 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 Jarmins Gap Road - Route 691 r .1 _ i.07 710 U Legend 6 EG Floodway 700 WS Floodway ------------------------ EG 100-Year 690 WS 100-Year C ...........- . 4............. Crit Floodway w 680 Crit ear ------ Ground • Inefi 670 � Bank Ste Encroachment 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 REVISED CROSS SECTION .07 _I_.06).1 695 Legend 690 ------------`------------ EG Floodway --------------------------- EG 100-Year 685 WS Floodway o 680 WS 100-Year 675 Crit 100-Year w Ground 670 • Bank Sta 665 Encroachment 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 NEW SURVEY CROSS SECTION .07 __ 06� 1� 695 Legend 690 ------------`------------ EG Floodway EG 100.Year 685 WS Floodway C 680 WS 100-Year 675 Ground w • Bank Ste 670 Encroachment 665 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 REVISED CROSS SECTION .07 _' .06 � .1 690 Legend 685 ------------`------------ EG Floodway --------------------------- EG 100-Year 680 WS Floodway c o WS 100-Year > 675 Ground m w 670 � Bank Ste Encroachment 665 660 1400 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 NEW SURVEY CROSS SECTION i( .07 _I_ .06 �.1 690 Legend 685 ------------`------------ EG Floodway --------------------------- EG 100-Year 680 WS Floodway +C 0 675 WS 100-Year 670 ................................. Cdt 100-Year w ........................................................................... Ground 665 ......... Bank Ste 660 Encroachment 655 1400 1600 1800 2000 2200 2400 Station (ft) ip ip w Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 REVISED CROSS SECTION .07 'i( .06)i( .1 ------------`------------ EG Floodway --------------------------- EG 100-Year WS Floodw ........................... Cdt 100-Year Ground • Bank Ste Encroachment 1500 1600 1700 1800 1900 2000 2100 2200 2300 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 REVISED CROSS SECTION if .07 )iCOP i( .1 5 Legend ------------`------------ 0 EG Floodway WS Floodway -------------------------- 5 EG 100-Year WS 100-Year 0 Ground • ._._._._._._._._._._._._._._._.............................-------------------- Bank Ste 5 Encroachment 1600 1800 2000 2200 2400 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 .1 I 675 o.1 6 Legend 670 EG Floodway EG 100-Year 665 WS Floodway C................................. o Cdt Floodway 660 > WS 100-Year m 655 Crit 100-Year Ground • 650 Bank Sta Encroachment 645 1500 1600 1700 1800 1900 2000 2100 2200 2300 station (n) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 .1 �pi� .07 665 6 Legend ------------ ----------- EG Floodway 660 WS Floodway --------------------------- EG 100-Year 655 ................................. o Crit Floodway > WS 100-Year w 650 Cril 100-Year ................,........................................................................................................ Ground 645 • Bank Sta Encroachment 640 1600 1800 2000 2200 2400 2600 Station (fl) Powells Creek Proposed —TEST i( Plan: Powells PROP FLOODWAY 12/21/2022 �� .0 655 6 6 Legend EG Floodway 650 EG 100-Year WS Floodway c645 ................................. o Crt Floodway > WS 100-Year w 640 - •_ ------_- ...... Cril 100.Year Ground 635 • Bank Sta Encroachment 630 1900 2000 2100 2200 2300 2400 2500 2600 2700 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 1 � .07 655 6 6 Legend -------------------------- EG Floodway 650 WS Floodway -------------------------- EG 100-Year 645 o WS 100-Year > Ground °i w 640 • Bank Ste .......................................... ncroac men 635 630 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 o 655 0 Legend 6 EG Floodway 650 WS Floodway 645 ------------------------ EG 100-Year WS 100-Year 0 c640 .............+.............. Cri1100-Year m Cdt Floodway W 635 -- Ground • Ineg 630 Bank Ste Encroachment 625 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 Cathaross Lane 1 .07 655 0 6 EG Floodway 650 VLegend WS Floodway 645 ------------------------ EG 100-Year WS 100-Year c O 640 Crit Floodway m Cri1100-Year w 635 Ground Ineg 630 Bank Ste Encroachment 625 1800 2000 2200 2400 2600 2800 3000 Station (ft) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 07 i 07 660 0 6 Legend 655 EG Floodway EG 100-Year 650 WS Floodway 645 Crit Floodway c WS 100-Year 640 Crit 100-Year w Ground 635 • Ineg • 630 Bank St, Encroachment 625 1600 1800 2000 2200 2400 2600 2800 3000 Station (n) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 07 .4 .07 sss 6 Legend 650 ------------'------------ EG Floodway WS Floodway 645 -------------------------- EG 100-Year +K WS 100-Year o > 640 .......____.+______-- Crit 100-Year m w 635 � Ground • Bank Ste 630 Encroachment 625 1600 1800 2000 2200 2400 2600 2800 Station (fl) Powells Creek Proposed —TEST Plan: Powells PROP FLOODWAY 12/21/2022 .07 645 Legend ------------ ----------- 640 EG Floodway EG 100-Year 635 WS Floodway c WS 100-Year 0 630 ................................. > Cril 100-Year d................................. w 625 Cdt Floodway Ground 620 Bank Sta Encroachment 615 1700 1800 1900 2000 2100 2200 2300 2400 Station (ft)