FLOOD08496

• County: Weld
• Basin: South Platte
• Title: Project Notebook for I-25 Corridor Master Drainage Plan South Weld County: Volume 1 of 2
• Date: 12/6/1999
• Prepared For: Weld County Public Works
• Prepared By: Anderson Consulting Engineers, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

Godding Hollow, Existing Conditions, 5 Year Storm
6/8/99 14:04:06
e Summary File: P:\coweldO 1 \existi-1 \Goddin-1 \5_ Y ear\cuhp\ghxc5yr. Ixt
BASIN AREA LENGTH DIST. IMPERV. SLOPE DURATION VOLUME PEAKO PEAKT Q/AREA
ID (SOMI) (MI) (MI) (%) (FT/FT) (MIN) (ACFT) (CFS) (MIN) (CFS/AC)
GHSB1 1.22 1.14 0.34 10.6 0.004 5 17.80 166 50 0.21
GHSB2 0.44 1.33 0.72 17.9 0.003 5 8.50 48 60 0.17
GHSB3 1.08 1.84 0.72 19.0 0.007 5 16.53 110 55 0.15
GHSB4 1.21 1.65 0.63 18.4 0.008 5 17.20 128 50 0.16
GHSB5 1.31 1.72 0.63 13.2 0.007 5 14.43 99 55 0,11
GHSB6 1.38 1.76 0.57 20.7 0.007 5 22.21 174 50 0.19
GHSB7 1.48 1.97 0.57 10.2 0.007 5 13.80 95 55 0.10
GHSB8 0.41 1.23 0.34 10.1 0.010 5 5.43 49 45 0.18
GHSB9 0.29 1.12 0.26 10.0 0.011 5 3.92 39 45 0.21
GHSB10 0.22 0.64 0.15 56.5 0.018 5 10.32 220 30 1.56
GHSBll 0.18 0.66 0.17 29.7 0.012 5 5.02 87 35 0.75
GHSB12 0.10 0.64 0.26 10.0 0.013 5 1.45 11 45 0.17
GHSB13 0.30 0.83 0.34 10.0 0.019 5 4.30 50 40 0.26
GHSB14 0.24 0.81 0.36 10.0 0.019 5 3.43 38 40 0.24
GHSB15 0.10 0.37 0.13 11.7 0.013 5 1.47 9 50 0.14
GHSB16 0.20 0.64 0.30 10.0 0.015 5 2.92 35 40 0.27
GHSB17 0.35 0.78 0.2B 10.5 0.026 5 4.99 69 40 0.30
GHSB20 0.24 0.78 0.34 10.0 0.012 5 3.43 36 40 0.23
GHSB21 0.58 1.21 0.57 11.0 0.009 5 5.73 44 50 0.11
GHSB22 0.50 1.06 0.51 14.8 0.015 5 8.34 78 45 0.24
GHSB23 0.65 1.14 0.57 10.5 0.012 5 9.35 81 50 0.19
e GHSB24 0.59 1.08 0.44 11.4 0.015. 5 8.90 90 45 0.23
GHSB25 0.13 0.57 0.15 12.4 0.014 5 1.95 23 40 0.27
GHSB26 0.06 0.63 0.21 11.6 0.017 5 0.87 8 40 0.20
GHSB27 0.64 1.42 0.53 11.7 0.019 5 9.44 83 50 0.20
GHSB30 0.68 1.51 0.81 12.4 0.014 5 10.77 75 55 0.17
GHSB31 0.34 1.25 0.30 10.0 0.013 5 4.55 44 45 0.20
GHSB32 0.94 1.76 0.76 18.4 0.015 5 17.81 136 55 0.22
GHSB33 0.33 1.12 0.46 10.4 0.008 5 4.70 37 50 0.17
GHSB34 0.33 1.42 0.74 14.1 0.019 5 5.34 38 50 0.17
GHSB35 0.15 0.80 0.30 55.2 0.014 5 6.89 122 35 1.27
GHSB36 0.55 1.29 0,36 10.0 0.014 5 7.63 75 45 0.21
GHSB37 0.85 1.35 0.47 19.7 0.026 5 16.82 187 40 0.34
GHSB40 0.35 0.95 0.44 14.6 0.012 5 5.65 53 45 0.23
GHSB41 0.54 1.12 0.44 10.3 0.011 5 6.81 61 45 0.17
GHSB42 0.19 0.47 0.26 54.4 0.008 5 8.06 157 30 1.29
GHSB43 0.25 0.95 0.49 10.0 0.004 5 3.37 23 50 0.14
Total 19.40 41.00 15.92 - - - 300.10 2878 - -
Average 0.50 1.10 0.43 16.5 0.013 5 8.10 78 46 0.30

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CUHP Summarized Output