Page 1
Lessons Learned from Dam Incidents and Failures
Case Studies Identified
Dam Name State Country Year of incident Type of dam
A.V. Watkins Dam Utah USA 2006 Earthfill
Adams Lake Dam Ohio USA 1992 Earthfill
Alamo Arroyo Site 2 1960 Earthfill
Alcova 1968 Earthfill
Alexander Lake Dam Washington USA 1982 Earthfill
Alla Sella Zerbino Dam Italy 1935 Concrete
Alpine 1969 Rockfill
Alum Fork 1938 Earthfill
American Falls 1970 Earthfill
Amistad 1969 Earthfill
Anaconda 1938 Earthfill
Angels 1895 Earthfill
Anita Dam Montana USA 1997 Earthfill
Ansonia Brass & Copper Co. Dam Connecticut USA 1912
Apishapa Colorado USA 1923 Earthfill
Archusa Creek Dam Mississippi USA 1998 Earthfill
Arm Brook Site 1964 Earthfill
Arrowhead Lake Dam Pennsylvania USA 1994 Earthfill
Ashley Dam Massachusetts USA 1909 Concrete
Austin Dam (Bayless Dam) Pennsylvania USA 1911 Concrete
Austin Dam (McDonald Dam) Texas USA 1915 Rockfill
Austrian Dam California USA 1989 Earthfill
Avalon Dam New Mexico USA 1904 Composite
Ayers Island 1960 Concrete
Bad Axe Watershed 33 1965 Earthfill
Balderhead Dam Great Britain 1966 Earthfill
Baldhill 1951 Earthfill
Baldwin Hills Dam California USA 1963 Earthfill
Balsam 1929 Earthfill
Banqiao Dam China 1975 Earthfill
Barker 1967 Concrete
Barnes Dam North Carolina USA 1982 Earthfill
Bartlett 1966 Concrete
Bass Haven Dam Texas USA 1984 Earthfill
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Bean Blossom Lake Indiana USA 1993 Earthfill
Bear Foot Lake Dam Texas USA 1994 Earthfill
Bear Gulch 1914 Earthfill
Bear Valley 1931 Concrete
Beaver Park 1914 Rockfill
Belci Romania 1991 Earthfill
Belden 1966 Rockfill
Belle Fourche 1965 Earthfill
Bennett Dam Canada 1996 Earthfill
Betsy Lake Dam Pennsylvania USA 2004 Earthfill
Big Bay Lake Dam Mississippi USA 2004 Earthfill
Big Creek Lake Dam Alabama USA 2005 Earthfill
Big Santa Anita 1926 Concrete
Bila Desna Dam Austria-Hungary
1916 Composite
Bilberry Dam Great Britain 1852 Earthfill
Black Beauty 1951 Earthfill
Black Creek site 53 Mississippi USA 1983 Earthfill
Black Rock 1909 Rockfill
Blackfoot 1913 Rockfill
Blackmon Lake Tasmania Earthfill
Blanchard Hydroelectric Sta 1939 Earthfill
Bloemveld Dam South Africa Earthfill
Bohemia Mill Dam/Bridge Maryland USA 2004
Bonneville 1955 Concrete
Bouzey Dam France 1895 Masonry
Bowman 1928 Rockfill
Bradfield Dam (Dale Dike) England 1864 Earthfill
Breedsville Dam Michigan USA 2008
Brodhead Creek Dam Pennsylvania USA
Brokaw Wisconsin USA 1912
Brookstail No. 3 North 1971 Earthfill
Brush Hollow 1928 Earthfill
Buck Powerhouse 1928 Concrete
Buffalo Creek 1970 Earthfill
Buffalo Creek Coal Waste Dam West Virginia USA 1972 Tailings
C. D. Clark Dam Alabama USA 1990
Cabresto Lake Dam New Mexico USA 2005 Earthfill
Calaveras 1938 Earthfill
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Calderwood 1930 Concrete
California Jim's Pond Dam Rhode Island USA 1998 Earthfill
Callaway Dam Texas USA 2004
Camara Dam Brazil 2004 Concrete
Canby Creek, Site R-1 Minnesota USA Earthfill
Canyon Lake Dam South Dakota USA 1972 Earthfill
Caples Lake Dam California USA Concrete
Castlewood 1897 Concrete
Castlewood Dam Colorado USA 1933 Composite
Cave Creek Reservoir J-62 1969 Earthfill
Cazadero 1965 Timber
Cedar Creek 1971 Earthfill
Cedar Falls 1918 Concrete
Cedar Lake Dam Oklahoma USA 1986 Earthfill
Centennial Narrows Dam Arizona USA 1997 Earthfill
Chambers 1891 Earthfill
Channahon Dam Illinois USA 1996 Rockfill
Charles Lee Tilden Park 1964 Earthfill
Chatmoss County Club Dam Virginia USA
Cheaha Creek Watershed 6 1970 Earthfill
Cheney 1971 Earthfill
Chief Joseph 1957 Concrete
Chinook Dam Washington USA 1990 Earthfill
City Reservoir Tennessee USA 1912
Clear Creek 1970 Earthfill
Clendening 1937 Earthfill
Coal waste impoundment Kentucky USA 1981
Cobb Creek No. 1 1962 Earthfill
Coedty Dam Wales 1925 Earthfill
Cogswell 1934 Rockfill
Cole Marsh Dam New Hampshire USA 2007
Colley Lake 1960 Earthfill
Colorado Springs Res. 4 1912 Earthfill
Columbia River Dike Oregon USA 1948
Comanche Trail Lake Dam Texas USA 1986 Earthfill
Conconully 1967 Earthfill
Condit 1973 Concrete
Conowingo Dam Maryland USA 1996 Concrete
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Conroe 1973 Earthfill
Cooney 1962 Earthfill
Corpus Christi 1930 Earthfill
Country Club Lake Dam North Carolina USA 1994 Earthfill
Courtright 1968 Rockfill
Cowan Ford 1965 Earthfill
Cowlitz Falls Dam 2003 Concrete
Cowlyd Dam Great Britain 1924
Crane Creek 1928 Earthfill
Cranks Creek 1973 Earthfill
Cresta Dam California USA 1997 Concrete
CSC Orchards Frost Protection Pond Washington USA 1995 Earthfill
Cucharas No. 5 Dam Colorado USA 1987 Rockfill
Cummingswood Dam Pennsylvania USA Earthfill
Cushman No. 1 Concrete
Cushman No. 2 1930 Concrete
Cwm Carne Dam Great Britain 1875 Earthfill
Dale Dyke Great Britain 1864 Earthfill
Dams of Sergeant Major Creek Watershed Oklahoma USA
Davis Creek Dam Nebraska USA 2007 Earthfill
Deer Flat Dam Idaho USA 2006 Earthfill
Dell Creek Dam Wisconsin USA 2008
Deruyter 1940 Earthfill
Desabla Forebay 1932 Earthfill
Detention W-1 1966 Earthfill
Dickinson 1954 Earthfill
Disrow Pond Dam Connecticut USA 2007
DMAD Utah USA 1983
Dock Street Dam Pennsylvania USA
Drake Lake Dam Illinois USA 2000 Earthfill
Drum Afterbay 1968 Concrete
Dutch Fork Dam Pennsylvania USA
Eagle Valley J-78 1965 Earthfill
Earlham Lake Dam Indiana USA 2008
East Branch 1957 Earthfill
East Dike at Flint River Dam Georgia USA 1994 Earthfill
East Fork Dam Kentucky USA 1978 Earthfill
East Lake Dam Alabama USA 2004
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East Lake Dam USA 2008
East Reservoir Dam Ohio USA 2011 Earthfill
Eastwick RR Fill Washington USA 1932
Eder Dam Germany 1943 Masonry
Edith C. Justus 1971 Earthfill
Eigiau Dam Wales 1925 Concrete
El Fryle Dam Peru Concrete
El Guapo Dam Venezuela 1999 Earthfill
El Habra Algeria 1927 Masonry
Electric Light Pond New York USA 1960
Elwha Dam Washington USA 1912 Concrete
Emery Dam California USA 1966 Earthfill
Englewood 1970 Rockfill
English Water Supply 1965 Earthfill
Essex Mill Dam Virginia USA 2004
Etowah County Alabama USA 2009
Evans & Lockwood Dams North Carolina USA 1989
Fairfax Lake Dam Oklahoma USA 1992 Earthfill
Fellows 1965 Rockfill
Fergus Falls Minnesota USA 1909
Florence Lake 1941 Concrete
Flower 1966 Concrete
Folsom Dam California USA 1995
FondDulac Hydroelectric Sta 1928 Concrete
Fontenelle Dam Wyoming USA 1965 Earthfill
Fords Lake Dam Pennsylvania USA
Forge Pond Dam Massachusetts USA 2010 Earthfill
Forsythe 1921 Earthfill
Fort Peck Montana USA 1938 Earthfill
Fort Pitt Pennsylvania USA 1903
Forte Meade 1972 Rockfill
Fred Burr 1948 Earthfill
Freeman Lake Dam Kentucky USA Earthfill
Frias Dam (Pardo Dam) Argentina 1970 Rockfill
Furnace Brook Watershed 2 1971 Earthfill
Galestown Dam Maryland USA 2006
Gallinas 1957 Masonry
Garza 1926 Earthfill
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Geary County State Lake 1971 Rockfill
Geary Levee Oregon USA 2006
Gem Lake 1965 Concrete
Gering Valley E 1965 Earthfill
Gering Valley F 1965 Earthfill
Germantown 1971 Earthfill
Gilbert Run 2 1942 Earthfill
Gillespie Dam Arizona USA 1993 Concrete
Glen 1969 Concrete
Glen Canyon Dam Colorado USA 1983
Gleno Dam Italy 1923 Concrete
Golder 1964 Earthfill
Goodrich 1956 Earthfill
Goose Creek 1900 Rockfill
Gouhou Dam China 1993 Earthfill
Graham 1923 Earthfill
Grand Coulee 1943 Concrete
Grandview 1960 Earthfill
Grassy Lake 1940 Earthfill
Graybrook Dam Indiana USA
Great Falls 1925 Concrete
Great Western 1958 Earthfill
Greenlick 1904 Earthfill
Greenpeter 1965 Concrete
Gros Ventre 1927 Earthfill
Guadalupe 1939 Earthfill
Hadlock Pond Dam New York USA 2005 Composite
Hales Bar 1913 Concrete
Hansonville Pond Dam New Hampshire USA 2007
Harlan County 1956 Earthfill
Harlow Hill Dam Great Britain 1951 Earthfill
Harmony Gold Mine Tailings Dam #4 South Africa 1994 Tailings
Harris Pond Dam Rhode Island USA 1955
Hatchtown 1914 Earthfill
Hauser Dam Montana USA 1908 Composite
Hayden's Mill Pond Dam New Hampshire USA 2007 Earthfill
Hearns Pond Dam Delaware USA 2001
Hebgen Dam Idaho USA 2008 Composite
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Hebron 1942 Earthfill
Hemlock Lake Dam Pennsylvania USA
Highland Lake Dam Maine USA 1996 Earthfill
Hills Creek 1969 Earthfill
Holly Brooke Lake Dam Alabama USA 1990
Holmes Creek 1924 Earthfill
Holter 1971 Concrete
Homme 1955 Earthfill
Hope Mills Dam North Carolina USA 2003 Concrete
Horse Creek 1914 Earthfill
Houston Lake Dam Georgia USA 1994 Earthfill
Humphreys Lake Dam Maryland USA 1909
Huntington 1 1917 Concrete
Huntington 2 1917 Concrete
Huntington 3 1917 Concrete
Iowa Beef Processors Waste Pond Washington USA 1993 Earthfill
Iron Bridge 1963 Earthfill
IVEX Dam Ohio USA 1994 Composite
Jackson Lake 1973 Earthfill
Jackson Summit Dam New York USA 2002 Composite
Jemez 1958 Earthfill
Jennings Creek Dam No. 17 1965 Earthfill
Jennings Creek Dam No. 18 1965 Earthfill
Jennings Creek Watershed 13 1962 Earthfill
Jennings Creek Watershed 16 1964 Earthfill
Jennings Creek Watershed 3 1963 Earthfill
Jennings Creek Watershed 5 1962 Earthfill
Jewell Brook Watershed No. 2 1970 Earthfill
John Zinc Ranch No. 2 1973 Earthfill
Johnny's Creek Alabama USA 1985 Earthfill
Julesburg 1910 Earthfill
Ka Loko Dam Hawaii USA 2006 Other
Kadashan Bottoms, Site 2 Oklahoma USA 2008
Kanopolis 1950 Earthfill
Keith Lake Dam Alabama USA 2004 Earthfill
Kelly Barnes Dam Georgia USA 1977 Earthfill
Kendall Lake Dam South Carolina USA 1990 Earthfill
Kenray 1962 Earthfill
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Kerckhoff Dam California USA 1997 Concrete
Khadakwasla India 1961 Masonry
Kingsley 1948 Earthfill
Kingston Plant Coal Waste Dam Tennessee USA 2008 Tailings
Kirby Dam Idaho USA 1991 Rockfill
Kiskitto Lake Inlet Structure Canada
Kittaning Point 1894 Earthfill
Koelnbrein Dam Austria Concrete
La Fruta Dam Texas USA 1930 Composite
La Quemada Dam Mexico 1991 Rockfill
Lafayette 1928 Earthfill
Lake Algonquin Dam New York USA 1949
Lake Almanor 1928 Earthfill
Lake Altoona Dam Pennsylvania USA
Lake Barcroft Virginia USA 1972 Earthfill
Lake Bella Vista Dam Arkansas USA 2008
Lake Blackshear Dam Georgia USA 1994 Earthfill
Lake Dawn Dam Washington USA 1950
Lake Delhi Dam Iowa USA 2010 Composite
Lake Delton Dam Wisconsin USA 2008
Lake Francis 1935 Earthfill
Lake Grace Town Dam Australia 1958 Earthfill
Lake Graham 1958 Earthfill
Lake Hemet 1927 Concrete
Lake Hodges 1921 Concrete
Lake Idylwild Dam Virginia USA 2004 Earthfill
Lake Lanier 1926 Concrete
Lake Lonnie Dam Georgia USA 1990
Lake Maloya 1955 Earthfill
Lake Manatee Florida USA 2003
Lake Manitou Dam Indiana USA 1990
Lake Marie 1972 Other
Lake Naomi Dam Pennsylvania USA 1994 Composite
Lake Needwood Dam Maryland USA 2006 Earthfill
Lake O'Hills Alaska 1972
Lake Orinda 1962 Earthfill
Lake Palo Pinto 1966 Earthfill
Lake Patagonia 1969 Earthfill
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Lake Powell Dam Virginia USA 2004
Lake Purdy 1928 Concrete
Lake Spaulding 1939 Concrete
Lake Susan Dam North Carolina USA 2004
Lake Toxaway North Carolina USA 1916 Earthfill
Lake Upchurch and McLaughlin Lake Dams North Carolina USA 2003
Lake Vera 1905 Timber
Lake Waco 1947 Earthfill
Lake Yosemite 1943 Earthfill
Lambieletham Dam Great Britain 1984 Earthfill
Laurel Run Dam Pennsylvania USA 1977 Rockfill
Lava Cap Mine Tailings Dam California USA 1997
Lawn Lake Dam Colorado USA 1982 Earthfill
Le Gage Dam France Concrete
Lee Lake Massachusetts USA 1968 Earthfill
Lee's Fishing Lake Dam West Virginia USA 2007
Levees in Sacramento and San Joaquin River Basins
California USA 1997
Little Deer Creek Utah USA 1963 Earthfill
Little Goose Lock & Dam 1971 Concrete
Little Rocky Run 1971 Earthfill
Littlefield 1929 Rockfill
Lluest Wen Dam Great Britain 1970 Earthfill
Locklin Lake Dam Florida USA 2008 Timber
Logan Martin 1964 Earthfill
Lon Hagler 1969 Earthfill
Lone Pine Reservoir 1936 Rockfill
Long Tom 1916 Earthfill
Lookout Shoals 1916 Earthfill
Lopez Dam California USA Earthfill
Los Verjels 1965 Concrete
Lost Creek Dam Utah USA Earthfill
Loup Loup Dam Washington USA 1938 Earthfill
Lower Hell Hole Dam California USA 1964 Rockfill
Lower Lee Hall Dam Virginia USA 2009 Earthfill
Lower Monumental 1965 Concrete
Lower Otay Dam California USA 1916 Rockfill
Lower San Fernando Dam California USA 1971 Other
Lower St. Anthony Falls Lock & Dam Minnesota USA 1982
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Lower Two Medicine Montana USA 1964
Lyell Dam Australia 2000 Rubber
Lyman Dam Arizona USA 1915 Earthfill
Lyman Run Dam Pennsylvania USA
Machhu II Dam India 1979 Composite
Madison 1970 Rockfill
Magic 1911 Earthfill
Magnolia Shores Lake Dam Alabama USA 1990
Malpasset France 1959 Concrete
Mammoth Dam Utah USA 1917 Earthfill
Marion County 1938 Earthfill
Marshall Lake 1908 Earthfill
Marston 1925 Earthfill
Martin Power Plant Dam Florida USA 1979
Masonry Dam Washington USA 1918
Masterson 1951 Rockfill
Matilija 1964 Concrete
Mayfield 1965 Concrete
McCloud 1972 Rockfill
McGuire Dam Texas USA 2004
McMahon Gulch 1926 Earthfill
McMillian 1915 Rockfill
Meadow Pond Dam New Hampshire USA 1996 Earthfill
Meeks Cabin 1969 Rockfill
Melzingah New York USA 1897 Earthfill
Middle Goose Tailings Dam Arizona USA 1997
Mike Horse Montana USA 1975
Mill Creek Dam Washington USA 2008 Earthfill
Mill River Dam Massachusetts USA 1874 Masonry
Millers Pond Dam Connecticut USA 2007
Mineral Wells 1970 Earthfill
Minnewawa 1952 Concrete
Misteguay Site 4 Michigan USA 1985
Mohne Dam Germany 1943 Concrete
Montpelier Creek 1971 Rockfill
Moon Valley Lake Missouri 2008
Mossman Dam New Hampshire USA 2007
Mount Pisgah 1928 Earthfill
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Mountain Dell 1919 Concrete
Moyie River 1926 Concrete
Mt. Carmel Dam North Dakota USA 2003 Earthfill
Mud Mountain Washington USA 1976 Composite
Mule Creek Dam California USA Earthfill
Murphy Family Farms Hog Waste Lagoon North Carolina USA 1999
Murray Gill Reservoir 1967 Earthfill
Myron Isabel Dam Colorado USA 1978
Nacimiento 1969 Earthfill
Nahal Oz Dam Israel 2001 Earthfill
Nanaksagar Dam India 1967 Earthfill
Narraquinnep 1925 Earthfill
Natural Dam Texas USA Earthfill
Navajo 1964 Earthfill
Nepaug 1971 Concrete
New Croton 1955 Concrete
New Don Pedro 1969 Rockfill
New Exchequer 1972 Rockfill
New found Creek Dam (Bear Wallow) North Carolina USA 1976
Newton Falls Paper Mill Lagoon No. 4 Dam New York USA 1984 Earthfill
Nimbus 1953 Concrete
Nix Lake Dam Texas USA 1989 Earthfill
Nolichucky Project 1972 Concrete
Noppikoski Dam Sweden 1985
North Hartland Lake 1969 Earthfill
North Springfield Lake 1969 Earthfill
North Star Sand & Gravel Dams Washington USA 1967
Nottingham Dam New Hampshire USA 2007
Oakford Park Pennsylvania USA 1903
Oceanview Farms Waste Lagoon North Carolina USA 1995
Ochoco Dam Oregon USA Earthfill
Olive Hills 1963 Earthfill
Olufson Dam Washington USA 1996 Earthfill
Opuha Dam New Zealand 1997
Oros Dam Brazil 1960 Earthfill
Otter Brook 1958 Earthfill
Otter Creek Watershed 9 1970 Earthfill
Overhosler 1923 Concrete
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Owen 1914 Earthfill
Pablo Dam Montana USA 1994 Earthfill
Pacoima Dam California USA 1994 Concrete
Palagnedra Dam Switzerland 1978 Concrete
Palisades 1964 Earthfill
Panshet Dam India 1961 Earthfill
Papillion Creek Watershed Dams Nebraska
Pardeeville Dam Wisconsin USA 2008
Paris 1939 Rockfill
Park Reservoir 1969 Earthfill
Patoka Lake Dam Indiana USA Earthfill
Penn Forest Dam Pennsylvania USA 1960/1991 Earthfill
Penn Run Dam Pennsylvania USA 2003
Percy Quin Dam (Lake Tangipahoa Dam) Mississippi USA 2012 Earthfill
Phoenix Lake 1968 Earthfill
Piedmont 1 1905 Earthfill
Piedmont Driving Club Dam Georgia USA 2004 Earthfill
Pilarcitos 1969 Earthfill
Pillar Rock Washington USA 1970 Concrete
Pine Lake Dam Georgia USA 2002 Earthfill
Pit No. 6 1969 Concrete
Pit No. 7 1969 Concrete
Pleasant Valley 1928 Rockfill
Point of Rocks 1915 Earthfill
Polk Township Dam Pennsylvania USA 2003
Pomona Lake 1968 Earthfill
Possum Kingdom 1971 Concrete
Powell Dam Montana USA 1995 Earthfill
Powerdale Dam Oregon USA 2005 Concrete
Prado Dam California USA 2005 Earthfill
Priest Rapid 1964 Earthfill
Prospect Valley & Lord Reservoir Dams Colorado USA 1980
Puddingstone 1926 Earthfill
Puentes Dam Spain 1802 Rockfill
Pumpkinvine Creek Dam No. 3 Georgia USA 2009 Earthfill
Pure Oil Lake Dam Texas USA 2008
Quail Creek Dike Utah USA 1989 Earthfill
Rainbow Lake Dam New Jersey USA 2007 Earthfill
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Ralston Dam California USA 2004 Concrete
Randall's Pond 1901
Rector Creek 1947 Earthfill
Red Mountain Reservoir 1950 Earthfill
Red Rock 1969 Earthfill
Red Rock 1910 Earthfill
Redlands Ranch Dam Arizona USA 2008
Revelstoke Dam Canada Rockfill
Ricobayo Dam Spain 1934 Concrete
Rio Cobre Dam Jamaica 1991 Composite
River Reservoir Dam No. 3 Arizona USA 2004 Earthfill
Riverside 1910 Earthfill
Rocky Reach 1961 Concrete
Rocky Run 1972 Earthfill
Rodgers Dam Nevada USA 2006 Concrete
Rogers Pond Connecticut USA 2007
Ross Barnett Reservoir 1969 Earthfill
Roxboro Municipal Lake Dam North Carolina USA 1984 Earthfill
Rumph's Pond Dam South Carolina USA 2003
Ryan 1970 Concrete
Ryerson Dam Pennsylvania USA
Saco Lake Dam Pennsylvania USA 2001
Sallisaw Creek Watershed 29 1964 Earthfill
Salmon Creek 1967 Concrete
Salt Fork Lake Dam Ohio USA 2005 Composite
Saltville Muck (Mathieson Alkali Works Plants Waste Dam)
Virginia USA 1924
Saluda 1930 Earthfill
San Andreas 1906 Earthfill
San Antonio 1969 Earthfill
San Pablo 1936 Earthfill
Sandy Run Pennsylvania USA 1977
Santa Clara Dam Utah USA 2012 Earthfill
Santee 1941 Earthfill
Sayano-Shushenskaya Hydroelectric Power Plant Dam
Russia 2009 Concrete
Saylorville Dam Iowa USA Earthfill
Schaeffer 1921 Earthfill
Seminary Hill Reservoir Dams 3 and 4 Washington USA 1991
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Sepulveda Canyon 1914 Earthfill
Seven Lakes Development Dam #1 Missouri USA Earthfill
Shavers Lake 1941 Concrete
Sheep Creek Dam North Dakota USA 1970 Earthfill
Sheffield Dam California USA 1925 Earthfill
Shell Oil Company 1947 Earthfill
Sherman 1964 Earthfill
Shih Kang Dam Taiwan 1999 Concrete
Shih Kang Dam Taiwan 1999 Concrete
Shimantan Dam China 1975 Earthfill
Shivlakha Dam India 2001
Sid White Dam Washington USA 1971 Earthfill
Sidie Hollow 1965 Earthfill
Silver Jack 1969 Earthfill
Silver Lake Dam Michigan USA 2003 Earthfill
Simmons Dam Pennsylvania USA 2004
Simplot Wastewater Lagoon No. 1 Oregon USA 2005 Earthfill
Sinker Creek 1943 Earthfill
Six Mile Creek Site 26 Arkansas USA 2008 Earthfill
Smith’s Pond Dam Massachusetts USA 2004
Snake Creek Dam Georgia USA 2009 Earthfill
Snake Ravine 1898
South Fork Dam Pennsylvania USA 1889 Composite
Spaulding Pond Connecticut USA 1963
Spit Brook Dam New Hampshire USA 2007
Split Rock Creek Dam Minnesota USA 1993 Composite
St. Francis Dam California USA 1928 Concrete
Standley Lake 1912 Earthfill
Stanislaus Forebay 1970 Earthfill
Stevenson 1939 Concrete
Stewart Mountain 1953 Concrete
Stockton Creek 1950 Earthfill
Stony River 1914 Concrete
Sublette 1937 Rockfill
Sugar Creek L-44 Oklahoma USA 2007 Earthfill
Summer Lake 1925 Earthfill
Surry Mountain 1943 Earthfill
Sweetwater California USA 1916 Concrete
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Swift Irrigation Dam Montana USA 1964 Rockfill
Swift No. 2 Canal Dam Washington USA 2002 Earthfill
Sylvan Lake Dam Indiana USA Earthfill
Syphon Canyon Dam California USA 2011 Earthfill
Table Rock Cove 1928 Earthfill
Taum Sauk (Upper) Reservoir Dam Missouri USA 2005 Rockfill
Tempe Dam Arizona USA 2010 Rubber
Terrace Reservoir 1957 Earthfill
Teton Dam Idaho USA 1976 Earthfill
Thompson Falls 1968 Concrete
Tiber 1956 Earthfill
Tigra Dam India 1917 Masonry
Tillson Lake Dam New York USA 1955 Other
Timber (York) Lake Dam Mississippi USA 2004
Timberlake Dam Virginia USA 1995
Tinaztepe Dam Turkey 2000 Earthfill
Toa Vaca 1970 Rockfill
Tobesofkee Creek Dam Georgia USA 1995 Earthfill
Tolla Dam France Concrete
Tongue River 1965 Rockfill
Toreson 1953 Earthfill
Tous Dam Spain 1982 Rockfill
Townshend Lake 1969 Earthfill
Treasure Lake Kentucky USA 1993
Truckee Canal Nevada USA 2008 Earthfill
Tugalo 1943 Concrete
Tuttle Creek 1967 Earthfill
Tyron Tailings Dam No. 3 1980
Tyson Lake Dam New York USA 1955
Ulley Dam Great Britain 2007 Earthfill
United Nuclear Corp. New Mexico 1979
Unknown Wisconsin USA Earthfill
Unknown Tailings Dams Italy 1985 Tailings
Unnamed Colorado USA 1999
Unnamed Tennessee USA 1902
Unnamed North Carolina USA 1904
Unnamed West Virginia USA 1916
Unnamed West Virginia USA 1916
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Unnamed Washington USA 1916
Unnamed New York USA 1979
Unnamed (maybe John Thompson's Mill Dam) Tennessee USA 1916
Unnamed Dam Massachusetts USA 1987 Earthfill
Upper & Lower Kohanza Connecticut USA 1869
Upper Barnes Creek 1966 Earthfill
Upper Clear boggy Creek Site 50 Dam Oklahoma USA Earthfill
Upper Elk Creek No. 22 1971 Earthfill
Upper Highline Reservoir 1967 Earthfill
Upper Mystic Lake Dam Massachusetts USA 2006 Composite
Upper Red rock Site 20 Oklahoma USA Earthfill
Upper San Fernando 1971 Earthfill
Upriver Dam Washington USA 1986 Concrete
Utica Reservoir New York USA 1902 Earthfill
Vajont Dam Italy 1963 Concrete
Vaughn Creek 1926 Concrete
Vaux dams Montana USA 1951
Vega de Tera Dam Spain 1959 Concrete
Vermilion Valley Dam California USA 2010 Earthfill
Victor Braunig 1969 Earthfill
Victor Conservation Club Dam Indiana USA 2008
Victor Lake (Upper Stinchomb) Georgia USA 2004
Virden Creek Dam Iowa USA 1968
Wachusett North Pike 1907 Earthfill
Waddell 1928 Concrete
Wadi Qattarah Secondary Dam Libya 1977 Earthfill
Wagner Creek 1938 Earthfill
Wahlawa 1921 Rockfill
Walden Pond Outlet Dam Massachusetts USA 2006 Earthfill
Walkers Dam Virginia USA 2007
Walnut Grove Dam Arizona USA 1890 Rockfill
Walter Bouldin Dam Alabama USA 1975 Earthfill
Wanapum 1964 Earthfill
Wanship 1969 Earthfill
Warmwithens Dam Great Britain 1970 Earthfill
Washakie Dam Wyoming USA Earthfill
Wesley E. Seale 1965 Earthfill
West Branch 1964 Earthfill
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West Brook Reservoir #3 New York USA 1916
West Grand Lake Dam Maine 2003 Composite
Wewoka Dam Oklahoma USA 1945
Wheatland No. 1 1969 Earthfill
Wheeler Island Levee California USA
White Oaks Dam Virginia USA 1995 Earthfill
White Rapids 1956 Concrete
Whitewater Brook Upper 1972 Earthfill
Whitewater Creek Dam Georgia USA 1997 Earthfill
Whittenton Mill Pond Dam Massachusetts USA 2005 Timber
Whittle Brook Dam New Hampshire USA 2007
Wilbur 1940 Concrete
Williams 1947 Earthfill
Windy Hills Lake Dam Mississippi USA 2002
Wisconsin Dells 1911 Earthfill
Wister Dam Oklahoma USA 1949 Masonry
Wolf Creek Dam Kentucky USA 1968 Composite
Woodmoor Reservoir 1972 Earthfill
Woodrat 1961 Earthfill
Wyndotte County 1937 Earthfill
Yarrow Dam Great Britain 2002 Earthfill
Yellowtail 1967 Concrete
Yeonchun Dam Korea 1996 Concrete
Yorba 1930 Earthfill
Zeuzier Dam Switzerland Concrete