|
Incident ID |
NV00054-1388 |
|
Dam Name |
WILLOW CREEK DAM |
|
Downstream Hazard Potential |
L |
|
State |
NV |
|
Incident Date |
04/19/2011 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Other |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
High Precipitation in area during spring snowpack runoff activated flow through emergency spillway. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
Yes |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
Access to local (Hollister) mine potentially impacted, no damage actually occurred.
Owner and local downstream interests aware of potential for trouble. Activation process funcitoned well. Recreationists informed of difficult travel in area and potential for flooding.
Swift access under seasonally wet conditions best done by helicopter. |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
P |
|
Dam Type |
CNER |
|
Primary Purpose(s) |
IRFC |
|
EAP |
Y |
|
Year Completed |
0 |
|
Year Modified |
1912 |
|
Dam Height |
58 ft |
|
Max Storage (ac-ft) |
8000 ac-ft |
|
Surface Area (acres) |
480 acres |
|
River Name |
WILLOW CREEK |
|
Latitude |
41.21 |
|
Longitude |
-116.536 |
|
Regulatory Agency(ies) |
NEVADA DWR |
|
NID Number |
NV00054 |
|
Attachments |
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