|
Incident ID |
SD00000-128 |
|
Dam Name |
CANYON LAKE |
|
Downstream Hazard Potential |
|
|
State |
SD |
|
Incident Date |
01/01/1972 |
|
Incident Type |
Failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Overtopping |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
|
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
33 |
|
Number of People Evacuated |
|
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
$50 million to $100 million |
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
237-238 killed - 33 from dam failure? $60-164 million in damages; 3,000 injured. The safety inspection and repair program was spurred by the collapse of a dam built & operated by the city near Rapid City, S.D., in 1972. More than 200 persons died and d
Fatalities: 33 - |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
|
|
Dam Type |
RE |
|
Primary Purpose(s) |
|
|
EAP |
|
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
20 ft |
|
Max Storage (ac-ft) |
0 ac-ft |
|
Surface Area (acres) |
0 acres |
|
River Name |
|
|
Latitude |
0 |
|
Longitude |
0 |
|
Regulatory Agency(ies) |
|
|
NID Number |
SD00000 |
|
Attachments |
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