WILLOW CREEK DAM - NV00054-1388


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