General

• Vicinity Map
• Region (Map) ............... Lower Colorado
• State (Map) .................................. Nevada
• County .......... Clark (NV), Mohave (AZ)
• Project ........................... Boulder Canyon
• Dam type ................. Concrete thick arch
• Location .... 7 mi NE of Boulder City, NV
• Watercourse ................... Colorado River
• Reservoir ................................ Lake Mead
• Original construction .............. 1931-1936
• National ID Number ................. NV10122
• Hydrologic Unit Code .....................

Hydraulics

• Total storage to
    El. 1221.4 .................... 28,537,000 acre-ft
• Service spillway
    Capacity limited to ............... 260,000 cfs

Dimensions

• Crest Elevation .............................. 1232.0 ft
• Top of Parapet Elevation ............. 1236.0 ft
• Structural Height ............................. 726.4 ft
• Hydraulic Height ................................ 576 ft
• Crest Length .................................... 1,244 ft
• Crest Width .......................................... 45 ft
• Base Width ......................................... 660 ft
• Volume of Concrete .......... 4,400,000 cu yd

Hydrology

• Drainage area ........................ 167,800 sq mi
• Hydrometeorological Report ............... NA
• PMF ............................... 1989 PMF August
    general storm with 100-year snowmelt
• Volume ..  9,349,000 acre-feet over 60 days
• Peak inflow ............................. 1,130,000 cfs
• Maximum water surface ................ 1234.2 ft