WASHOE LAKE DAM - NV10472-3248
Dam Name: WASHOE LAKE DAM
State: NV
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 06/16/2018
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Piping
Incident Mechanism 2
Incident Mechanism 3
Incident IDNV10472-3248
Incident DescriptionAn 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 IncidentYes
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsRoads
Economic Damages (in $)Unknown
Response
Volume released at failure (ac-ft)
Additional Remarks or UpdatesOther Infrastructure Impacts - Road, downstream dam
Owner TypeP
Dam TypeMSPG
Primary Purpose(s)IR
EAPY
Dam Height12 ft
Max Storage (ac-ft)400.00
Surface Area (acres)45.00
Year Completed
NID NumberNV10472
River NameSTEAMBOAT CREEK
Latitude39.33
Longitude-119.801
Year Modified
Regulatory Agency(ies)NEVADA DWR
Incident Time8:00 AM
Incident Duration5 Days
Incident Report ProducedNo
Information SourcesNV DWR
