General

• Vicinity Map
• Region (Map) ....................... Great Plains
• State (Map) ............................... Colorado
• County ........................................... Pueblo
• Project .................... Fryingpan-Arkansas
• Dam type ........... Concrete massive head buttress
     with embankment wing dams
• Location ............... 6 mi W of Pueblo, CO
• Watercourse .................. Arkansas River
• Reservoir ....................................... Pueblo
• Original construction .............. 1970-1975
• Modified ................................... 1998-2000
• National ID Number .................. CO00299
• Hydrologic Unit Code ................

Hydraulics

• Total storage to
    El. 4898.7 ......................... 357,000 acre-ft
• Service spillway
    Capacity at El. 4919 ............. 191,500 cfs
• Spillway outlet works
    Capacity at El. 4,796.7 ............. 4,400 cfs
• River outlet works
    Capacity at El. 4,796.7 ................ 600 cfs

Dimensions

• Crest Elevation .............................. 4925.0 ft
• Structural Height ................................ 250 ft
• Hydraulic Height ................................. 191ft
• Crest Length .................................. 10,230 ft
• Crest Width ........................................... 30 ft
• Base Width ......................................... 147 ft
• Volume of Concrete .............. 522,000 cu yd

Hydrology

• Drainage area ............................ 4,686 sq mi
• Hydrometeorological Report ............... NA
• PMF .............................. 1991 General Storm
• Volume ....... 1,390,000 acre-ft over 15 days
• Peak inflow ................................. 834,730 cfs
• Maximum water surface ............... 4,931.3 ft