BISHOP CREEK DAM - NV00050-3435
Dam Name: BISHOP CREEK DAM
State: NV
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 08/31/2021
Incident Driver: Seismic
Incident Mechanism 1: Other
Incident Mechanism 2Debris Clogging
Incident Mechanism 3
Incident IDNV00050-3435
Incident DescriptionMagnitude 4.7 earthquake approximately ## miles to the south shook most the upstream concrete face off of the dam and collapsed the outlet control structure. Debris from damage is blocking the approach to the outlet.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
ResponseState employees made a site visit the following day (9/1) to investigate dam.
Volume released at failure (ac-ft)
Additional Remarks or UpdatesReservoir has been under state order to remain drained since near failure due to large seeps and downstream slope failure in 1984.
Owner TypeP
Dam TypeCNRE
Primary Purpose(s)CIR
EAPY
Dam Height80 ft
Max Storage (ac-ft)28250.00
Surface Area (acres)930.00
Year Completed1912
NID NumberNV00050
River NameBISHOP CREEK
Latitude41.2556
Longitude-114.913
Year Modified
Regulatory Agency(ies)NEVADA DWR
Incident Time11:21
Incident Duration
Incident Report ProducedNo
Information Sources
