1972- buffalo creek dam, west virginia-125 dead, $400 million in damages 1976- teton dam, idaho-14...
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1972- Buffalo Creek Dam, West Virginia-125 dead, $400 million in damages 1976- Teton Dam, Idaho-14 dead, over $1 billion in damages
1977- Laurel Run Dam, Pennsylvania-40 dead, $5.3 million in damages 1977- Kelly Barnes Dam, Georgia-39 dead, $30 million in damages
1982- Lawn Lake Dam, Colorado-3 dead, $25 million in damages
1989- Quail Creek Dam, Utah-no deaths, $12 million in damages
We have had a bunch of Dam failures!
Hoover/Boulder DamCompleted 1936
For what purposes are dams constructed?
Provide a measure of flood control
Provide a source of water for towns and cities
Provide a source for generating electricity
Provide a recreation area
What is the “life expectancy” of a Dam/Reservoir?
Quail Creek Dam and Lake
Photo courtesy of Paul Furr (from our class).
Eroded Anticline
Quail Lake
Geologic map of the Quail CreekArea.
TrCp = Chinle Petrified Forest MemberTrCs = Chinle Shinarump Member
TrMu = Moenkopi UpperTrMs =Moenkopi Shnabkaib Member GYPSUMTrMm = Moenkopi Middle
TrMv = Virgin Limestone Member
TrMl = Moenkopi Lower
Pk = Kaibab Ls.Pt =Toroweap Ss.Pq =Queantoweap Ss.
Gypsum (CaSO4)(soft and dissolves
in water)
Earth fill Dam Completed 1984
Failure 12:30 am, January 1, 1989
Quail Creek Dam andReservoir
Geological Road Guide To Quail Creek State ParkUtahgeology.org
Utah Geological Publication #29