WASHOE LAKE DAM - NV10472-3248
Incident ID NV10472-3248
Dam Name WASHOE LAKE DAM
Downstream Hazard Potential H
State NV
Incident Date 06/16/2018
Incident Type Non-failure
Incident Driver Seepage/internal Erosion
Incident Mechanism 1 Piping
Incident Mechanism 2
Incident Mechanism 3
Incident Description An earth pipe formed under the masonary structure which released up to 80 cfs during the incident. The pipe was plugged with underwater grout and an upstream filter.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident Yes
Fatalities (Number) 0
Number of People Evacuated 0
Number of Habitable Structures Evacuated 0
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts Roads
Economic Damages (in $) Unknown
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates Other Infrastructure Impacts - Road, downstream dam
Incident Time 8:00 AM
Incident Duration 5 Days
Incident Report Produced No
Information Sources NV DWR
Owner Type P
Dam Type MSPG
Primary Purpose(s) IR
EAP Y
Year Completed 0
Year Modified 0
Dam Height 12 ft
Max Storage (ac-ft) 400 ac-ft
Surface Area (acres) 45 acres
River Name STEAMBOAT CREEK
Latitude 39.33
Longitude -119.801
Regulatory Agency(ies) NEVADA DWR
NID Number NV10472
Attachments
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