Echo Dam

Echo Dam is a zoned earthfill structure, one mile upstream from the town of Echo and about six miles north of Coalville. It has a structural height of 158 feet and contains 1,540,000 cubic yards of materials. The spillway has a capacity of 15,000 cubic feet per second. The outlet conduit is a concrete-lined horseshoe tunnel to the gatehouse, from which two steel pipes pass through a tunnel to the valve house. The outlet works has a capacity of 2,100 cubic feet per second.

RegionFacilities in Upper Colorado | Upper Colorado Home Page
ProjectWeber Basin
Dam Type
WatercourseWeber Basin
Original Construction1927-1931
Modified Construction
National ID NumberUT10120
Hydrologic Unit Code

Structural Height158.0 ft
Hydraulic Height (Normal Operating Depth at Dam)110.0 ft
Top Parapet (Elevation)
Spillway Crest Elevation5543.0 ft
Crest Elevation5570.0 ft
Crest Length1,887 ft
Crest Width
Base Width
Volume of Dam Construction Materials1,540,000 cu. yards
Streambed at Dam Axis5450.0 ft
Top of Exclusive Flood Control Pool (Elevation)
Top of Joint Use Pool (Elevation)
Top of Active Conservation Pool (Elevation)5560.0 ft
Top of Inactive Conservation Pool (Elevation)
Top of Dead Storage Pool (Elevation)5450.0 ft

Hydraulics & Hydrology
Total Water Storage at Elevation
Maximum Water Surface Elevation5560.0 ft
Normal Water Surface Elevation
Spillway Type
Auxiliary SpillwayNo
Spillway Capacity at Elevation15000 cfs at 5560.0 ft
Auxiliary Spillway Capacity at Elevation
Uncontrolled Spillway Capacity at Elevation
Outlet Works Capacity at Elevation2100 cfs at 5560.0 ft
Diversion Capacity at Elevation
Drainage Area836 sq mi
Hydrometeorological Report (HMR)HMR 49
Probable Maximum Flood (PMF) Report

Contact Information
TitleArea Office Manager
OrganizationProvo Area Office
Address302 East 1860 South
CityProvo, UT 84606-7317
Phone (Office)801 379-1101
OrganizationWeber River Water Users Association
Address138 West 1300 North
CitySunset, UT 84015
Phone (Fax)801 774-5424
Phone (Office)801 774-6373

Last updated: Feb 20, 2009