|
Incident ID |
NM00299-1366 |
|
Dam Name |
LOS ALAMOS CANYON DAM |
|
Downstream Hazard Potential |
H |
|
State |
NM |
|
Incident Date |
07/08/2011 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Other |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Dam was under rehabilitation construction when the site was evacuated and the area back-burned to prevent a wildfire from reaching Los Alamos. The overflow spillway had been demolished and the dam crest lowered during construction. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
|
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
Water/sewer lines |
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
A majority of the watershed was burned and the dam is now volunerable to overtopping. A by-pass channel was constructed through the left abutment to carry flood flows from the burnt watershed around the dam. The alteration of the site required a redesign effort that is underway. Los Alamos County watersupply line |
|
Incident Time |
|
|
Incident Duration |
|
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Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
L |
|
Dam Type |
RE |
|
Primary Purpose(s) |
S |
|
EAP |
Y |
|
Year Completed |
1943 |
|
Year Modified |
2013 |
|
Dam Height |
40 ft |
|
Max Storage (ac-ft) |
33 ac-ft |
|
Surface Area (acres) |
2 acres |
|
River Name |
LOS ALAMOS CANYON |
|
Latitude |
35.8835 |
|
Longitude |
-106.354 |
|
Regulatory Agency(ies) |
Office of the State Engineer |
|
NID Number |
NM00299 |
|
Attachments |
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