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 5.7.3.1 Flood Frequency Analysis Results for Reach 8 - Tomichi Creek from Confluence
with Gunnison River to Upstream of Gunnison Airport

Std. Flow (cfs)
Mean Dev. Skew Chance Exceedence
10% 2% 1% 0.2%
Peak 2.881 0.240 -0.200 1,524 2,227 2,534 3,264
1-Day 2,835 0.250 -0.300 1,401 2,030 2,296 2,913
3-Day 2.814 0,250 -0.300 1,334 1,934 2,188 2,776
5-Day 2.794 0.250 -0.300 1,274 1,847 2,089 2,651
7-Day 2.768 0,260 -0.400 1,225 1,758 1,976 2,466
15-Day 2.725 0.270 -0.400 1,141 1,660 1,875 2,360
30-Day 2.665 0.280 -0.500 1,013 1 ,454 1,631 2,015
60-Day 2.571 0.290 -0.700 821 1,131 1,244 1,471

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