|
Incident ID |
CA00682-1382 |
|
Dam Name |
COLUMBINE |
|
Downstream Hazard Potential |
H |
|
State |
CA |
|
Incident Date |
04/20/2011 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Spillway Pipe Failure |
|
Incident Mechanism 2 |
Piping |
|
Incident Mechanism 3 |
|
|
Incident Description |
leakage along continuous void below unencased spillway pipe
leakage near exposed spillway overflow pipe on downstream embankment face |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
None |
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
12:00 AM |
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
U |
|
Dam Type |
RE |
|
Primary Purpose(s) |
IS |
|
EAP |
NR |
|
Year Completed |
1963 |
|
Year Modified |
0 |
|
Dam Height |
24 ft |
|
Max Storage (ac-ft) |
62 ac-ft |
|
Surface Area (acres) |
3 acres |
|
River Name |
OFFSTREAM |
|
Latitude |
37.3542 |
|
Longitude |
-121.793 |
|
Regulatory Agency(ies) |
Division of Safety of Dams |
|
NID Number |
CA00682 |
|
Attachments |
|
