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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Dec 22,<br />
1964<br />
Lower Hell<br />
Hole <strong>Dam</strong><br />
Dec 1967 North Star<br />
Sand &<br />
Gravel <strong>Dam</strong>s<br />
1968 Virden Creek<br />
Mar 24,<br />
1968<br />
January<br />
1970<br />
Feb 9,<br />
1971<br />
<strong>Dam</strong><br />
Lee Lake<br />
Pillar Rock<br />
<strong>Dam</strong><br />
San<br />
Fernando<br />
<strong>Dam</strong><br />
Montana<br />
Placer County,<br />
30,000 af flood destroyed 2<br />
approximately<br />
suspension bridges and 1<br />
100 miles east<br />
steel girder <strong>State</strong> highway<br />
<strong>of</strong><br />
bridge. $160M in lawsuits<br />
Sacramento,<br />
filed for damages.<br />
CA.<br />
Everett, WA 0 washed out GN railroad<br />
tracks, derailed passing<br />
train.<br />
Waterloo, IA 1<br />
Near East<br />
Lee,<br />
Massachusett<br />
s<br />
Wahkiakum<br />
County, WA<br />
Los Angeles,<br />
CA<br />
2 6 houses destroyed, 20<br />
houses damaged, 1mfg.<br />
plant damaged or destroyed<br />
Erosion resulting<br />
from record rains<br />
during<br />
construction<br />
overtopping<br />
0 3 homes and fish cannery<br />
destroyed<br />
overtopping<br />
0 80,000 evacuated Earthquake:<br />
Liquefaction<br />
410-foot high zoned rockfill structure on the Rubicon River; a 200’<br />
high section <strong>of</strong> the embankment failed upon record rains during<br />
construction<br />
40 foot high dam washed out due to lack <strong>of</strong> spillway. 25 foot high<br />
dam rebuilt, also failed<br />
Logging roadfill culvert blocked by debris, overtopped and failed,<br />
caused 25 foot high concrete gravity dam to fail..<br />
142’-high, 2,100’-long hydraulic fill dam constructed 1912-1915;<br />
Quake caused slide in upstream slope that lowered the crest ~ 30’;<br />
reservoir drawn down over 3 days.<br />
May 1971<br />
Feb 26,<br />
1972<br />
April 29,<br />
1972<br />
June 9,<br />
1972<br />
June 21,<br />
1972<br />
Sid White<br />
<strong>Dam</strong><br />
Buffalo<br />
Creek<br />
Near Omak,<br />
WA<br />
Logan County,<br />
West Virginia<br />
Lake O’ Hills Alaska 1<br />
(10-year-old boy)<br />
Canyon Lake<br />
<strong>Dam</strong><br />
Barcr<strong>of</strong>t <strong>Dam</strong><br />
Rapid City,<br />
South Dakota<br />
Fairfax<br />
County,<br />
0 Seepage through<br />
animal burrows<br />
125 $400 million in damages,<br />
546 houses destroyed, 538<br />
houses damaged<br />
Unknown<br />
piping failure at a<br />
low level outlet<br />
made <strong>of</strong> 55<br />
gallon drums<br />
welded end to<br />
end<br />
237-238<br />
(33 from dam<br />
failure?)<br />
$60-164 million in damages;<br />
3,000 injured.:<br />
overtopping<br />
0 Stuck gates<br />
during 125<br />
Earthen dam failed, causing second dam to fail and dump debris into<br />
town <strong>of</strong> Riverside.<br />
34-year-old earth embankment; <strong>Dam</strong> size: 20’ high, 500’ long;<br />
Impoundment size: 40 acre reservoir, holding 132 million gallons<br />
“The safety inspection and repair program was spurred by the<br />
collapse <strong>of</strong> a dam built & operated by the city near Rapid City, S.D.,<br />
in 1972. More than 200 persons died and damages ran in the millions<br />
<strong>of</strong> dollars.” Washington Post 7/15/1978<br />
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