SOUTH CREEK - WASHINGTON COUNTY - UT00588-910


Incident ID UT00588-910
Dam Name SOUTH CREEK - WASHINGTON COUNTY
Downstream Hazard Potential H
State UT
Incident Date 12/21/2010
Incident Type Non-failure
Incident Driver Hydrologic/flooding
Incident Mechanism 1 Slope Stability
Incident Mechanism 2
Incident Mechanism 3
Incident Description Heavy rainfall resulted in a surface slump of the downstream slope just below the crest
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident Yes
Fatalities (Number)
Number of People Evacuated 50
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts None
Economic Damages (in $) $100,000 to $500,000
Volume released at failure (ac-ft) 0 ac-ft
Response
Additional Remarks or Updates Estimated evacuation of 50 to 100 people Highway closure during EAP implementation Successful EAP operation, actual failure avoided
Incident Time 12:00 AM
Incident Duration
Incident Report Produced
Information Sources
Owner Type P
Dam Type RE
Primary Purpose(s) I
EAP Y
Year Completed 1988
Year Modified 0
Dam Height 91 ft
Max Storage (ac-ft) 2250 ac-ft
Surface Area (acres) 0 acres
River Name SOUTH CREEK
Latitude 37.1472
Longitude -112.985
Regulatory Agency(ies)
NID Number UT00588
Attachments