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 SURFACE ELEVATION
SECTION MEAN
CROSS SECTION DIST ANCE WIDTH AREA VELOCITY REGULATORY WITHOUT WITH INCREASE
(FEET) (ft^2) (ftlsec) FLOODW A Y FLOODW A Y
A 8199.86 1024.46 1868.47 4.70 8570.56 8570.56 8571.1 7 0.61
B 9156.76 793.66 960.52 7.17 8580.50 8580.50 8580.49 -0.01
C 9782.75 402.43 745.06 8.66 8584.25 8584.25 8584:91 0.66
D 10640.15 542.01 831.06 7.80 8589.98 8589.98 8590.46 0.48
E 11536.81 180.09 450.70 10.79 8595.77 8595.77 8596.26 0.49
F 11744.59 490.84 1359.39 5.94 8600.26 8600.26 8599.40 -0.86
G 12042.17 200.22 630.77 7.11 8600.73 8600.73 8601.05 0.32
H 13301.50 82.73 397.49 9.46 8608.84 8608.84 8608.92 0.08
I 14157.40 562.61 1122.19 5.96 8614.55 8614.55 8615.47 0.92
J 16010.20 915.16 1444.13 6.11 8628.43 8628.43 8628.85 0.42
K 16908.30 1003.28 1270.52 7.43 8634.23 8634.23 8633.93 -0.3
L 17600.79 398.78 669.12 9.85 8638.85 8638.85 8639.85 1
M 18158.30 672.68 1413.00 6.43 8642.98 8642.98 8643.07 0.09
N 18321.39 745.14 2533.49 3.30 8646.77 8646.77 8646.37 -0.4
0 18506.65 760.62 1528.49 6.19 8646.78 8646.78 8646.43 -0.35
P 19988.68 763.80 1021.23 6.86 8655.90 8655.90 8656.88 0.98
Q 21162.76 94.84 381.79 9.77 8664.63 8664.63 8664.71 0.08
R 21279.89 484.65 1397.17 4.89 8668.94 8668.94 8668.66 -0.28
S 21458.19 407.95 1026.10 6.73 8669.03 8669.03 8668.84 -0.19
T 21838.74 100.3 5 348.43 10.77 8669.99 8669.99 8670.80 0.81
U 22343.78 279.79 729.10 7.62 8674.86 8674.86 8674.58 -0.28
V 22797.66 448.64 781.31 8.76 8678.73 8678.73 8678.86 0.13
W 23234.92 397.85 844.37 8.00 8683.27 8683.27 8683.68 0.41
X 23972.44 357.69 598.93 8.99 8690.24 8690.24 8690.62 0.38
Y 24619.28 743.98 934.54 6.03 8696.29 8696.29 8696.67 0.38
Z 25513.66 1014.23 1963.68 2.95 8703.52 8703.52 8704.30 0.78
AA 26025.21 679.61 722.15 8.73 8707.33 8707.33 8707.34 0.01
AB 26556.20 556.51 1001.72 5.23 8712.11 8712.11 8712.89 0.78
AC 27527.73 265.96 913.10 4.22 8720.23 8720.23 8720.36 0.13
AD 28028.14 253.77 864.56 4.59 8724.90 8724.90 8725.31 0.41
AE 28371.96 299.86 827.84 5.36 8728.58 8728.58 8729.06 0.48
AF 28800.87 166.58 683.46 7.18 8731.18 8731.18 8731.72 0.54
AG 29008.09 136.86 398.82 9.23 8732.27 8732.27 8732.72 0.45
AH 29242.63 203.58 605.27 8.87 8734.36 8734.36 8734.25 -0.11
AI 29809.97 138.80 387.40 10.49 8738.54 8738.54 8739.49 0.95
AJ 30757.38 123.53 567.68 6.39 8745.70 8745.70 8745.36 -0.34
AK 31241.53 129.29 375.23 9.66 8749.60 8749.60 8749.57 -0.03
AL 31514.31 213.16 612.23 7.83 8753.12 8753.12 8753.19 0.07
AM 31941.27 157.37 1005.76 3.60 8760.93 8760.93 8759.94 -0.99
AN 32073.58 133.40 804.60 4.51 8761.02 8761.02 8760.06 -0.96
AO 32402.67 149.24 624.91 6.17 8761.54 8761.54 8760.96 -0.58
AP 32556.71 140.69 488.46 7.74 8762.00 8762.00 8761. 72 -0.28
AQ 32884.18 249.14 1038.55 4.59 8765.45 8765.45 8765.35 -0.1
AR 33671.77 162.74 600.11 6.27 8770.31 8770.31 8770.24 -0.07
AS 34230.51 116.41 361.46 9.30 8773.92 8773.92 8774.07 0.15
AT 34523.03 92.96 411.10 9.36 8776.72 8776.72 8776.82 0.1
AU 34936.25 10 1.70 460.68 7.64 8779.54 8779.54 8779.97 0.43
AV 35540.50 89.07 341.52 10.10 8782.39 8782.39 8782.53 0.14

Mainstem Blue River