FLOOD10363 ‎(2)‎

• County: Gunnison
• Community: Gunnison County
• Stream Name: East River, Cement Creek, Alkali Creek, Ohio Creek
• Title: Gunnison County Flood Hydrology, Contract # W99-D-0018 Final Report
• Date: 11/1/2004
• Prepared For: US Army Corps of Engineers, CWCB and Gunnison County
• Prepared By: Tetra Tech, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Table 5.2.3.1 Flood Frequency Analysis Results for Reach 3 - East River from Slate to Cement
Creek

Std. Flow (cfs)
Mean Dev. Skew Chance Exceedence
10% 2% 1% 0.2%
Peak 3.324 0.140 0.000 3,187 4,088 4,464 5,333
1-Day 3.264 0,140 0.000 2,776 3,561 3,888 4,645
3-Day 3.254 0.140 0.000 2,713 3,480 3,799 4,539
5-Day 3,243 0.140 0.000 2,645 3,393 3,704 4,425
7 -Day 3.232 0.140 -0.100 2,570 3,251 3,527 4,149
15-Day 3.193 0.140 -0.100 2,349 2,971 3,224 3,793
30-Day 3.145 0.140 -0.100 2,103 2,660 2,886 3,396
60-Day 3.055 0.150 -0.200 1,753 2,222 2,409 2,822

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