General

• Region (Map): ................... Upper Colorado
• State (Map) ........................ Utah
• County ................................ N/A
• Project: ................................ Weber River
• Dam type: ............................ Earthfill
• Location: ............................. 6 mi N. of Coalville
• Watercourse: ..................... Weber River
• Reservoir: ........................... Echo
• Construction Date: ............1927-1931
• National ID Number .......... UT10120
• Hydrologic Unit Code ......

Dimensions

• Crest Elevation of Dam: ...................... 5570.0 ft
• Structural Height of Dam: ..................... 158.0 ft
• Crest Length:: ....................................... 1887.0 ft
• Top of Joint Use: ................................. 5560.0 ft
• Top of Active Conservation:  ............ 5560.0 ft
• Top of Inactive Conservation: ........... 5550.0 ft
• Spillway Crest: .......................................5543.0 ft
• Top of Dead Storage: .......................... 5450.0 ft
• Streambed at Dam Axis : ......................5445.0 ft

Hydraulics

• Normal Water Surface Elev:  .............  5560.0 ft
• Hydraulic Height: .................................. 125.0 ft
• Service Spillway Type:
•    Uncontrolled  Crest    ...............................  No
•    Crest Length    .........................................  N/A
•    Gated      ..................................................... Yes
•    Capacity at Elev:  5560.0  ft,           15,000  cfs
• Auxiliary Spillway ........................................  No
•     Capacity at Elev.   ................................. 0  cfs
• Outlet Works Capacity at
•     Elevation  5560.0 ft  .......................... 2100 cfs

Hydrology

• Drainage Area: .............................. 1074.0 sq mi
• Hydrometeorological Report               HMR 49
• Flood Type: .............................. Spring General
• Storm Duration: ....................................... 72 hrs
• Probable Maximum Flood (PMF) Report:
•   Inflow Volume: ......................   234,700 acre-ft
•   Flow Duration: .................................... 15 days
•   Peak Inflow: ..................................... 44,900 cfs
•   PMF Routing MWS Elev: ................ 5562.7 ft
•   Initial Routing Elev: .......................... 5491.9 ft
•   Study Date: ....................................... July 1986