General

• Region (Map) : ........... Great Plains
• State (Map) ................. Colorado
• County ......................... Summit
• Project: ......................... Colorado Big Thompson
• Dam type: .................... Earthfill
• Location: ..................... 13 mi SE of Kremmling
• Watercourse: .............. Blue River
• Reservoir: .................... Green Mountain
• Construction Date: ....1938-1943
• National ID Number ... CO01658
• Hydrologic Unit Code ...

Dimensions

• Crest Elevation of Dam: ...................... 7960.0 ft
• Structural Height of Dam: ...................  309.0 ft
• Crest Length: ........................................ 1150.0 ft
• Top of Joint Use: ................................ .        NA
• Top of Active Conservation: ............ 7950.0 ft
• Top of Inactive Conservation: .......... 7870.0 ft
• Spillway Crest: ..................................... 7950.0 ft
• Top of Dead Storage: ......................... 7800.0 ft
• Streambed at Dam Axis : .................... 7696.0 ft

Hydraulics

• Normal Water Surface Elev: ............ 7950.0 ft
• Hydraulic Height: ............................... 264.0 ft
• Service Spillway Type:
•    Uncontrolled  Crest    ............................. No
•    Morning-Glory ........................................ No
•    Crest Length    .............................. ......... NA
•    Gated      .................................................. Yes
•    Capacity at Elev:  7950.0 ft,         25,000 cfs
• Auxiliary Spillway ...................................... No
•     Capacity at Elev.   ............................... 0 cfs
• Outlet Works Capacity at
•     Elevation   7950.0 ft.,  ................... 1530 cfs

Hydrology

• Drainage Area: .............................. 598.0 sq mi
• Hydrometeorological Report             HMR 49
• Flood Type: .............................Winter General
• Storm Duration: ...................................... 72 hrs
• Probable Maximum Flood (PMF) Report:
•   Peak Inflow: ................................. 115,000 cfs
•   Inflow Volume: ...................... 415,000 acre-ft
•   Flow Duration: .................................... 7 days
•   PMF Routing MWS Elev.: ..............7950.0 ft
•   Initial Routing Elev: ......................... 7950.0 ft
•   Study Date:  .............................. October 1996