Dam Failures, Dam Incidents - Association of State Dam Safety ...
Dam Failures, Dam Incidents - Association of State Dam Safety ...
Dam Failures, Dam Incidents - Association of State Dam Safety ...
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6/9/08 Lake Delton Lake Delton,<br />
WI<br />
8/16/08 Redlands<br />
Ranch <strong>Dam</strong><br />
Grand Canyon<br />
(Havasu), AZ<br />
8/30/08 Hebgen <strong>Dam</strong> West<br />
Yellowstone,<br />
ID<br />
9/17/08 Breedsville Van Buren Co,<br />
<strong>Dam</strong><br />
11/12/08 Mill Creek<br />
<strong>Dam</strong><br />
12/22/08 Kingston<br />
Plant coal<br />
waste dam<br />
1/6/09 Etowah<br />
County, near<br />
the Gallant<br />
Community<br />
7/24/10 Lake Delhi<br />
<strong>Dam</strong><br />
*submitted from website link<br />
Michigan<br />
Cosmopolis &<br />
Aberdeen,<br />
Grays Harbor<br />
Co, WA<br />
Harriman, ~ 50<br />
mi. west <strong>of</strong><br />
Knoxville<br />
0 245-acre lake emptied; 5<br />
homes destroyed; highway<br />
washed out. 20 lakeside<br />
resorts affected. $Millions<br />
0 <strong>Dam</strong>aged waterfalls, pools<br />
& trails, repairs will take at<br />
overtopping<br />
Neglect, poor<br />
design &<br />
construction<br />
Lake embankment (a peninsula, not the dam) washed out.<br />
~ 426 people evacuated by helicopter. Previous dam (Cataract) failed<br />
in 1993,<br />
least 6 months.<br />
0 No property damage Gate failure Failure <strong>of</strong> two hydraulic gates released 3,400 cu ft (normal discharge:<br />
900 cu ft) water, causing 1’ rise in Madison R. No evacuations.<br />
0 Flooded park Heavy rains Break in darthen part <strong>of</strong> Black River dam built in 1837; dam<br />
impounded 8-acre pond.<br />
0 Pedestrian bridge washed Dislodged root “…serious situation was narrowly averted as a pedestrian bridge was<br />
out; residential areas balls from fallen washed out with children on their way to school…”<br />
flooded; ~12 homes trees on<br />
received flood damages embankment<br />
0 5.4 million cubic yards (> 1<br />
billion gal) <strong>of</strong> sludge<br />
damaged 12 homes and<br />
covered hundreds <strong>of</strong> acres .<br />
Cleanup costing ~$1 million<br />
per day.<br />
AL 0 Floodwaters washed away<br />
a culvert and a private dam<br />
broke producing up to 12 ft.<br />
<strong>of</strong> flooding in the area<br />
causing residences to be<br />
evacuated. A dozen roads<br />
were also closed due to the<br />
floodwaters and property<br />
damage was reported to be<br />
$100,000 ($103,000 in 2010<br />
dollars).<br />
IA 0<br />
Heavy rains and<br />
flooding<br />
40-acre pond used by the Tennessee Valley Authority to hold slurry<br />
<strong>of</strong> ash generated by the coal-burning Kingston Steam Plant. The dam<br />
gave way just before 1 a.m, burying a road and railroad tracks<br />
leading to the plant. No one was seriously injured or hospitalized.
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