FLOOD08751

• County: Delta
• Community: Unincorporated Delta County
• Stream Name: Surface Creek
• Basin: Gunnison
• Title: Supplemental 100-Year Flood Study, Suface Creek, Delta County, Colorado
• Date: 9/1/2001
• Prepared For: CWCB
• Prepared By: Gared Grube
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Table 1: Results
lOO-YEAR FLOOD FLOWS SURFACE CREEK
Cross Section No. Distance Top Area Velocity Depth CWSE
[11 Width SF Ft/s Ft.
2.00 53,120 36.55 86.40 13.20 3.42 6374.62
3.00 54,920 31.57 74.71 16.62 3.24 6443.24
3,01 55,613 41.91 100.26 16.69 3.61 6482.11
4,00 55,741 23.03 59,02 19.31 3.43 6488.03
4.01Bridge S25Rd 55,756 17.72 78.95 14.44 5,11 6492.03
4.02 End Bridge 55,781 17.96 89.54 12.73 5.70 6493.70
5.00 55,821 41.80 92.45 14.17 3.20 6492,00
6.00 57,532 38.00 90,96 14.27 3.32 6567,52
6.01 58,732 36.38 85.93 14.64 3,06 6622.91
7.00 59,942 32.53 78.68 15.65 3.35 6677. 70
7.01 61,442 33.98 82.86 15.30 3.08 6758.58
8.00 62,767 41.67 88,75 17,28 3.66 6830.06
8.01 64,267 37,51 86.55 17.23 3.35 6907.85
8.02 65,767 46.75 86.33 13.87 2.42 6986.17
8.03 67,767 42.07 97.46 13,60 3.17 7088,87
9.00 70,009 37.25 77.50 15.28 2.58 7202.98
9.01Bridge USORd 70,024 31.87 108,63 11.64 4.45 7205.26
9,03 End Bridge 70,082 29.69 87.91 14.15 3.78 7206.78
10.00 70,180 26.04 75,75 17,09 4.25 7210.25
11.00 70,840 47.66 90.45 13.44 3.08 7251.08
11.01 71,840 42.63 88.00 15.22 2,98 7308.88
11.02 72,840 41.58 86.00 14,58 2.89 7365.49
12.00 74,235 47.17 95.76 13,21 2.52 7444.02

[I] Feet upstream from confluence with Tongue Creek