Dams in Los Angeles, California

103
Total Dams
81
High Hazard
6
Significant
77.1 yrs
Avg Age
Hazard Name Height
Dam Name Hazard Height Built Type State
Greystone Reservoir Los Angeles High Hazard 75 ft 1970 Other California
Pyramid Los Angeles High Hazard 400 ft 1974 Earth California
Sierra Madre Los Angeles High Hazard 69 ft 1928 Arch California
Devils Gate Los Angeles High Hazard 108 ft 1920 Gravity California
Chatsworth Los Angeles High Hazard 45 ft 1918 Earth California
Weymouth Memorial Reservoir Los Angeles High Hazard 18 ft 1966 Other California
Thompson Creek Los Angeles High Hazard 66 ft 1928 Earth California
Sierra Madre Villa Los Angeles High Hazard 50 ft 1958 Earth California
Fairmont Los Angeles High Hazard 121 ft 1912 Earth California
Encino Los Angeles High Hazard 168 ft 1924 Earth California
Reservoir No. 5 Los Angeles High Hazard 36 ft 1949 Other California
Wilson Debris Basin Los Angeles High Hazard 50 ft 1961 Earth California
Eagle Rock Los Angeles High Hazard 113 ft 1953 Earth California
Harold Reservoir Los Angeles High Hazard 30 ft 1891 Earth California
San Gabriel Los Angeles High Hazard 320 ft 1937 Earth California
Santa Ynez Canyon Los Angeles High Hazard 157 ft 1968 Earth California
Westlake Reservoir Los Angeles High Hazard 158 ft 1972 Earth California
Amargosa Creek Los Angeles High Hazard 65 ft 1998 Earth California
Lower San Fernando Los Angeles High Hazard 125 ft 1918 Earth California
Mulholland Los Angeles High Hazard 195 ft 1924 Gravity California
Garvey Reservoir Los Angeles High Hazard 160 ft 1954 Earth California
Lower Franklin Los Angeles High Hazard 103 ft 1922 Earth California
Stevenson Ranch Los Angeles High Hazard 54 ft 2004 Earth California
Morgan Debris Basin Los Angeles High Hazard 37 ft 1962 Earth California
Castaic Los Angeles High Hazard 340 ft 1973 Earth California
Stone Canyon Los Angeles High Hazard 188 ft 1924 Earth California
Live Oak Reservoir Los Angeles High Hazard 105 ft 1975 Earth California
Puddingstone Los Angeles High Hazard 147 ft 1928 Earth California
Live Oak Los Angeles High Hazard 76 ft 1922 Gravity California
10 Mg Walteria Los Angeles High Hazard 40 ft 1953 Other California
Reservoir No. 4 Los Angeles High Hazard 38 ft 1955 Other California
Thompson Los Angeles Significant Hazard 114 ft 1925 Earth California
Wrigley Reservoir Los Angeles Significant Hazard 42 ft 1930 Earth California
Century Los Angeles Significant Hazard 44 ft 1913 Arch California
Upper Franklin Dam Los Angeles Significant Hazard 40 ft 1915 Earth California
Drinkwater Los Angeles Significant Hazard 105 ft 1923 Earth California
Laguna Regulating Basin Los Angeles Significant Hazard 43 ft 1970 Earth California
Whittier Reservoir No. 4 Los Angeles Low Hazard 55 ft 1931 Earth California
Headworks Reservoir East Los Angeles Low Hazard 32 ft 2016 Other California
Lower Franklin No. 2 Los Angeles Low Hazard 49 ft 1982 Earth California
Yarnell Debris Basin Los Angeles Low Hazard 42 ft 1963 Earth California
Hansen Recreational Lake Los Angeles Low Hazard 50 ft 1999 Earth California
J. W. Wisda Los Angeles Low Hazard 50 ft 1958 Earth California
Lindero Los Angeles Low Hazard 19 ft 1966 Earth California
Lower Van Norman Bypass Los Angeles Low Hazard 78 ft 1970 Earth California
Channel Diversion Dike Los Angeles Low Hazard 42 ft 1940 Earth California
Santa Anita Debris Basin Los Angeles Low Hazard 56 ft 1960 Earth California
Upper Hollywood Los Angeles Low Hazard 87 ft 1933 Earth California
Fairmont No. 2 Los Angeles Low Hazard 24 ft 1982 Earth California
Headworks Reservoir West Los Angeles Low Hazard 32 ft 2022 Other California