|
Incident ID |
CO00683-3028 |
|
Dam Name |
LAKE ANN |
|
Downstream Hazard Potential |
H |
|
State |
CO |
|
Incident Date |
10/10/2014 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Sinkhole |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Sinkhole in dam foundation upstream of embankment |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
|
|
Fatalities (Number) |
|
|
Number of People Evacuated |
|
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
CO DWR |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
IR |
|
EAP |
Y |
|
Year Completed |
1912 |
|
Year Modified |
1953 |
|
Dam Height |
42 ft |
|
Max Storage (ac-ft) |
562 ac-ft |
|
Surface Area (acres) |
20 acres |
|
River Name |
WEST SOPRIS CREEK-OS |
|
Latitude |
39.3033 |
|
Longitude |
-107.117 |
|
Regulatory Agency(ies) |
DWR |
|
NID Number |
CO00683 |
|
Attachments |
|
