General

• Vicinity Map
• Region (Map) ....................... Great Plains
• State (Map) ..................................... Texas
• County ............................................ Travis
• Project .............................. Colorado River
• Dam type ............. Concrete gravity with
    embankment wing dams & saddle dikes
• Location ........... 13 mi NW of Austin, TX
• Watercourse ................... Colorado River
• Reservoir ... Marshall Ford (Lake Travis)
• Original construction .............. 1937-1942
• National ID Number .................. TX01087
• Hydrologic Unit Code ....................

Hydraulics

• Total storage to
    El. 691 ........................... 1,373,100 acre-ft
• Service spillway
    Capacity at El. 746 ............... 508,000 cfs
• Outlet works
    Capacity at El. 714 ............... 126,000 cfs
• Powerplant
    Capacity at El. 714 ................... 5,000 cfs

Dimensions

• Crest Elevation ................................ 750.0 ft
• Structural Height ................................ 278 ft
• Hydraulic Height ............................. 166.0 ft
• Concrete Crest Length ................... 2,423 ft
• Crest Width .......................................... 20 ft
• Base Width ......................................... 286 ft
• Volume of Concrete ...........1,870,000 cu yd

Hydrology

• Drainage area .......................... 37,900 sq mi
• Hydrometeorological Report .. HMR 51, 52
• PMF ....................................... General storm
• Volume ...... 6,036,700 acre-ft over 30-days
• Peak inflow ................................ 931,600 cfs
• Maximum water surface .................. 746.0 ft