General

• Region (Map) : .................. Upper Colorado
• State (Map) ........................ Utah
• County ............................... Weber
• Project: ............................... Weber Basin
• Dam type: ........................... Earthfill
• Location: ............................. N of Ogden
• Watercourse: ..................... Off-Stream Storage
• Reservoir: ........................... Willard Bay
• Construction Date: .............1958-1964
• National ID Number .......... UT10112
• Hydrologic Unit Code .....

Dimensions

• Crest Elevation of Dam: .....................  4235.0 ft
• Structural Height of Dam: ...................     36.0 ft
• Crest Length: .......................................76665.0 ft
• Top of Joint Use: ..................................         NA
• Top of Active Conservation: ............  4226.0 ft
• Top of Inactive Conservation: ..........  4205.0 ft
• Spillway Crest: .............................................. NA
• Top of Dead Storage: .........................  4205.0 ft
• Streambed at Dam Axis : ..................... 4199.0 ft

Hydraulics

• Normal Water Surface Elev ................4226.0 ft
• Hydraulic Height: ..................................  27.8 ft
• Service Spillway Type:
•    Uncontrolled  Crest    ...............................Yes
•    Morning-Glory .......................................... No
•    Crest Length    ......................................... NA
•    Gated      ...................................................... No
•    Capacity at Elev:     NA,                  2,000 cfs
• Auxiliary Spillway ........................................ No
•     Capacity at Elev.   ................................ 0  cfs
• Outlet Works Capacity at
•     Elevation  4226.0 ft  ...................... 10,800 cfs 

Hydrology

• Drainage Area: .................................  24.6 sq mi
• Hydrometeorological Report               HMR 49
• Flood Type: ..............................      Fall General
• Storm Duration: ....................................... 72 hrs
• Probable Maximum Flood (PMF) Report:
•   Peak Inflow: ..................................... 16,600 cfs
•   Inflow Volume: ...........................14,700 acre-ft
•   Flow Duration: ...................................... 2 days
•   PMF Routing MWS Elev.: ........................ NA
•   Initial Routing Elev: ........................... 4226.0 ft
•   Study Date: ............................ September 1983