FLOOD10330

• County: Summit
• Community: Silverthorne
• Stream Name: Blue River, Straight Creek, Willow Creek
• Title: Flood Insurance Restudy, Technical Support Data Notebook, Silverthorne, Summit County, Colorado
• Date: 1/16/1998
• Prepared For: Silverthorne
• Prepared By: Army Corps of Engineers
• Floodplain - Doc Type: Floodplain Report/Masterplan

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BASE FLOOD
FLOODING SOURCE FLOODW A Y WATER SURF ACE ELEVATION
SECTION MEAN
CROSS SECTION DISTANCE WIDTH AREA VELOCITY REGULATORY WITHOUT WITH INCREASE
(FEET) (ft^2) (ft/sec) FLOODW A Y FLOODW A Y
A 0 16.81 42.25 10.18 8675.93 8675.93 8676.11 0.18
B 64.55 44.35 77.38 5.56 8677.86 8677 .86 8678.26 0.4
C 142.89 82.57 85.53 5.03 8678.49 8678.49 8679.44 0.95
D 359.41 24.04 61. 99 6.94 8682.84 8682.84 8683.38 0.54
E 571.53 19.12 47.84 8.99 8687.20 8687.20 8687.67 0.47
F 667.58 31.00 79.05 5.44 8688.79 8688.79 8689.60 0.81
G 859.64 17.30 59.55 7.36 8691.29 8691.29 8691.26 -0.03
H 1207.14 16.72 24.50 17.55 8694.18 8694.18 8694.27 0.09
I 1380.80 60.50 174.86 2.46 8702.74 8702.74 8702.74 0
J 1469.33 21.10 49.47 8.69 8703.88 8703.88 8703.88 0
K 1534.69 24.00 40.79 10.54 8705.01 8705.01 8705.03 0.02
L 1894.53 19.73 48.88 8.80 8715.99 8715.99 8716.57 0.58
M 2080.10 31.67 48.64 8.84 8722.09 8722.09 8721.86 -0.23
N 2160.33 31.99 47.64 9.03 8724.26 8724.26 8723.95 -0.31
0 2238.17 27.84 68.69 6.26 8725.53 8725.53 8726.18 0.65
P 2342.22 27.84 37.13 11.58 8728.91 8728.91 8728.38 -0.53
Q 2444.20 27.83 73.03 5.89 8731.95 8731.95 8732.58 0.63
R 2572.68 21.95 46.04 9.34 8735.34 8735.34 8735.23 -0.11
S 2768.86 24.62 49.74 8.65 8740.76 8740.76 8740.89 0.13
T 2924.19 21.95 36.10 11.91 8744.85 8744.85 8745.04 0.19
U 3136.87 26.50 68.29 6.30 8752.71 8752.71 8753.35 0.64
V 3287.54 32.61 68.29 6.30 8756.98 8756.98 8757.80 0.82
W 3528.73 40.35 50.39 8.53 8763.72 8763.72 8763.77 0.05
X 3731.15 28.22 38.97 11.03 8770.27 8770.27 8769.86 -0.41
Y 3987.64 41.28 54.71 7.86 8777.60 8777.60 8777.50 -0.1
Z 4214.24 18.64 43.15 9.97 8785.71 8785.71 8785.93 0.22
AA 4424.23 30.07 48.47 8.87 8793.83 8793.83 8793.90 0.07
AB 4586.81 30.34 50.43 8.53 8799.59 8799.59 8799.88 0.29
AC 4703.72 15.73 38.61 n.14 8804.60 8804.60 8804.97 0.37
AD 4804.09 18.58 32.25 13.33 8808.90 8808.90 8809.01 0.11
AE 4947.93 24.05 44.42 9.68 8815.53 8815.53 8815.75 0.22
AF 5042.90 16.57 42.30 10.17 8821.46 8821.46 8820.72 -0.74
AG 5100.97 18.93 53.35 8.06 8821.79 8821.79 8822.61 0.82
AH 5202.77 20.92 33.08 13.00 8823.92 8823.92 8823.88 -0.04
AI 5317.23 21.79 42.44 10.13 8829.85 8829.85 8829.86 0.01
AJ 5430.20 21.18 36.81 11.68 8834.04 8834.04 8834.08 0.04
AK 5616.81 22.52 37.n 11.59 8841.95 8841.95 8842.00 0.05
AL 5677.19 19.52 36.69 11.72 8845.53 8845.53 8845.62 0.09
AM 5726.43 26.78 42.22 10.18 8847.65 8847.65 8847.65 0
AN 5936.60 19.20 41.43 10.38 8855.57 8855.57 8856.23 0.66
AO 6061.88 24.39 48.37 8.89 8861.61 8861.61 8861.98 0.37
AP 6168.77 115.29 87.28 4.93 8867.10 8867.10 8867.19 0.09
AQ 6219.68 54.64 67.45 6.37 8869.02 8869.02 8869.02 0

Willow Creek