FLOOD06897

• County: Larimer
• Community: Wellington
• Stream Name: Boxelder Creek
• Basin: South Platte
• Title: Boxelder Creek Watershed Hydrologic Analyses
• Date: 12/1/1998
• Prepared For: FEMA
• Prepared By: UDFCD
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Table 4-7 I
8as1n and Rainfall/Runoff Data Used To O~Yelop 1982 CUHP Version I
Bnin Name Area Imp L L Slope ses Hyd. Rcnllfall/Runoff
(miZ) ca
(~) (m1. ) (mi.) (It/ft) 5011 Gr. Date Prec 1 p. Peak Flow
(In. ) (cfs.) I
7-25-77 0.56 116
8-22-77 0.26 56
Sanderson Gulch Tr1b. ~ Lakewood 0.38 44 1.28 0.52 0.0102 0 7-25-76 0.40 44 I
9-13-76 0.60 94
6-5-77 0.57 38
6-6-77 0.91 299 I
7-29-78 0.35 34
7-4-79 1.10 176
8-19-79 0.84 90 I
8-26-79 0.27 42
5-5-80 0.38 20
8-14-80 0.42 45 I
4-20-81 0.73 54
7/26/81 0.62 68
Goose Creek' Boulder 0.66 34 1.48 0.51 0.006 B 6-5-72 I. 32 185 I
6-5-75 0.82 102
7-25-76 0.76 137
9-19-76 0.62 102 I
7-20-77 I.!l 133
Harvard Gulch (!t Harvard Park 3.08 39 3.26 I. 61 0.0085 0 8-10-79 0.25 83
8-14-79 0.46 99 I
8-16-79 0.67 230
8-19-79 0.0 135
5-1-80 0.27 112
7-10-80 0.24 65 I
8-14-80 0.72 277
5-3-81 0.48 153 I
5-28-81 1.14 914
5-29-81 0.74 123
7-12-81 0.51 186
Harvard Gulch' Colorado Blvd. 1.12 40 I. 42 0.56 0.011 0 5-28-81 1.01 672 I
5-29-81 0.49 99
7-12-81 0.69 225 .
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5-1-84
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