LOWER HELL HOLE - CA00000-212


Incident ID CA00000-212
Dam Name LOWER HELL HOLE
Downstream Hazard Potential
State CA
Incident Date 12/22/1964
Incident Type Failure
Incident Driver Unknown
Incident Mechanism 1 Unknown
Incident Mechanism 2
Incident Mechanism 3
Incident Description
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 $) over $100 million
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates approx 100 miles east of Sacramento. 200’ high section of the embankment failed due to erosion resulting from record rains during construction. 30,000 af flood destroyed 2 suspension bridges and 1 steel girder State highway bridge. $160M in lawsuits filed
Incident Time
Incident Duration
Incident Report Produced
Information Sources
Owner Type
Dam Type ER
Primary Purpose(s)
EAP
Year Completed 0
Year Modified 0
Dam Height 410 ft
Max Storage (ac-ft) 0 ac-ft
Surface Area (acres) 0 acres
River Name RUBICON
Latitude 0
Longitude 0
Regulatory Agency(ies)
NID Number CA00000
Attachments