General

• Vicinity Map
• Region (Map) ........................ Mid Pacific
• State (Map) ............................... California
• County ................................... Sacramento
• Project ................... CVP-Auburn-Folsom
• Dam type ....... Straight Concrete gravity
• Location ... 20 mi NE of Sacramento, CA
• Watercourse .................. American River
• Reservoir ............................. Folsom Lake
• Original construction .............. 1948-1956
• Modified ............................................ 1997
• National ID Number ................. CA10148
• Hydrologic Unit Code .............

Hydraulics

• Total storage to
    El. 466 ........................... 1,010,000 acre-ft
• Service spillway
    Capacity at El. 475.4 ............ 567,000 cfs
• Outlet works
    Capacity at El. 466 ................. 30,960 cfs
• Safe channel capacity ........... 115,000 cfs

Dimensions

• Crest Elevation ................................ 480.5 ft
• Top of Parapet Elevation ............... 484.0 ft
• Structural Height ................................ 340 ft
• Hydraulic Height ............................. 275.4 ft
• Crest Length .................................... 1,400 ft
• Crest Width ..................................... 36.25 ft
• Base Width ......................................... 270 ft
• Volume of Concrete .......... 1,170,000 cu yd

Hydrology

• Drainage area ............................ 1,875 sq mi
• Hydrometeorological Report ....... HMR 58
• PMF ................. 1996 General rain on snow
• Volume ... 2,762,000 acre-ft over 200 hours
• Peak inflow ................................ 681,000 cfs
• Maximum water surface .................. 480.0 ft