FLOOD02581

• Designation Number: 557
• County: Gunnison
• Community: Unincorporated Gunnison County
• Basin: Gunnison
• Title: Hydrology Addendum
• Date: 2/1/2002
• Prepared For: Gunnison County and CWCB
• Prepared By: Montgomery Watson Harza
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Drainage IOO-yr
Flooding Source Drainage Area Description Area (mi2) Discharge (cfs)
Upstream of Castle Creek 25.15 700
Upstream of Carbon Creek 57.17 1,500
Upstream of Little Mill Creek 102.13 2,400
at mouth 165.05 3,600
Pass Creek at mouth 11.49 Outside Bounds
Pine Creek Upstream ofT 47 N R 4 W, 3.21 400
Section 20
Upstream of Sheep Creek 11.62 700
Upstream ofT 48 N R 4 W, 20.18 1,000
Section 8
Poison Draw Upstream of T 47 N R 4 W, 3.88 400
Section 17
Quartz Creek Upstream of Alder Gulch 118.06 900
at mouth 139.11 900
Razor Creek at mouth 68.28 Outside Bounds
Sheep Creek at mouth 5.58 500
Slate River Upstream of Coal Creek (at the 34.21 1,000
Town of Crested Butte)
at mouth 90.05 2,200
South Beaver Creek at mouth 64.78 2;000
Steuben Creek at mouth 10.01 700
Stream by CR 25 Upstream ofT 48 N R 4 W, 5.85 500
Secti on 3
Stubbs Gulch at mouth 23.94 Outside Bounds
Taylor River Upstream of 5 mile Creek 354.17 Outside Bounds
Upstream of Beaver Creek 466.27 Outside Bounds
Tomichi Creek Upstream of Hot Sprine:s Creek 276.87 1,300
Upstream of Razor Creek 334.54 1,400
Upstream of Wood Gulch 402.82 1,600
Upstream of Houston Gulch 420.93 1,600
Upstream of Quartz Creek 435.63 1,600
Upstream of Cabin Creek 1005.37 2,500
Upstream of Long Gulch 1021.71 2,500
Upstream of Chance Creek 1059.20 2,500
Upstream of Town of Gunnison 1093.20 Outside Bounds
W. Muddy Creek at mouth 89.98 2,400
West Fork Powderhorn at mouth 45.19 1,600
Creek
Willow Creek Upstream of Abbevville 31.91 900
at mouth 74.33 2,200
Upstream of Armitage Springs 13.49 800
Upstream of T 48 N R 4 W, 17.81 1,000

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