|
Incident ID |
NV00050-3435 |
|
Dam Name |
BISHOP CREEK DAM |
|
Downstream Hazard Potential |
H |
|
State |
NV |
|
Incident Date |
08/31/2021 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seismic |
|
Incident Mechanism 1 |
Other |
|
Incident Mechanism 2 |
Debris Clogging |
|
Incident Mechanism 3 |
|
|
Incident Description |
Magnitude 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 Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
|
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
State employees made a site visit the following day (9/1) to investigate dam. |
|
Additional Remarks or Updates |
Reservoir has been under state order to remain drained since near failure due to large seeps and downstream slope failure in 1984. |
|
Incident Time |
11:21 |
|
Incident Duration |
|
|
Incident Report Produced |
No |
|
Information Sources |
|
|
Owner Type |
P |
|
Dam Type |
CNRE |
|
Primary Purpose(s) |
CIR |
|
EAP |
Y |
|
Year Completed |
1912 |
|
Year Modified |
0 |
|
Dam Height |
80 ft |
|
Max Storage (ac-ft) |
28250 ac-ft |
|
Surface Area (acres) |
930 acres |
|
River Name |
BISHOP CREEK |
|
Latitude |
41.2556 |
|
Longitude |
-114.913 |
|
Regulatory Agency(ies) |
NEVADA DWR |
|
NID Number |
NV00050 |
|
Attachments |
|
