General

• Region (Map): .................... Upper Colorado
• State (Map) ......................... Utah
• County ................................ Morgan
• Project: .................................Weber Basin
• Dam type: ........................... Earthfill
• Location: ............................. On Lost Creek
• Watercourse: ..................... Lost Creek
• Reservoir: ........................... Lost Creek
• Construction Date: .............1963-1966
• National ID Number ........... UT10125
• Hydrologic Unit Code .....

Dimensions

• Crest Elevation of Dam: ...................... 6022.0 ft
• Structural Height of Dam: ...................   248.4 ft
• Crest Length:: ....................................... 1078.0 ft
• Top of Joint Use: .................................. 6005.0 ft
• Top of Active Conservation: .............        N/A
• Top of Inactive Conservation: ........... 5912.3 ft
• Spillway Crest: ...................................... 6005.0 ft
• Top of Dead Storage: .......................... 5842.0 ft
• Streambed at Dam Axis : ...................   5773.6 ft

Hydraulics

• Normal Water Surface Elev: ..................... N/A
• Hydraulic Height: ................................. 187.0 ft
• Service Spillway Type:
• Uncontrolled Crest ..................................... Yes
•    Crest Length ............................................ N/A
•    Gated      ....................................................   No
• Capacity at Elev: 6015.9 ft, ................ 2,455 cfs
• Auxiliary Spillway ........................................ No
• Capacity at Elev. ......................................  0 cfs
• Outlet Works Capacity at
• Elevation  6015.9 ft ................................ 805 cfs

Hydrology

• Drainage Area: ................................ 123.0 sq mi.
• Hydrometeorological Report                HMR 49
• Flood Type: ............................... Spring General
• Storm Duration: ........................................ 72 hrs
• Probable Maximum Flood (PMF). Report:
• Inflow Volume: ............................. 54,100 acre-ft
• Flow Duration: ....................................... 15 days
• Peak Inflow: ........................................ 22,300 cfs
• PMF Routing MWS Elev: ................... 6026.4 ft
• Initial Routing Elev: ............................. 6005.0 ft
• Study Date: ................................... August 1985