SOUTH CREEK - WASHINGTON COUNTY - UT00588-910

Dam Name: SOUTH CREEK - WASHINGTON COUNTY
State: UT
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 12/21/2010
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Slope Stability
Incident Mechanism 2
Incident Mechanism 3
Incident IDUT00588-910
Incident DescriptionHeavy rainfall resulted in a surface slump of the downstream slope just below the crest
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)
Number of People Evacuated50
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)$100,000 to $500,000
Response
Volume released at failure (ac-ft)0
Additional Remarks or UpdatesEstimated evacuation of 50 to 100 people
Highway closure during EAP implementation
Successful EAP operation, actual failure avoided
Owner TypeP
Dam TypeRE
Primary Purpose(s)I
EAPY
Dam Height91 ft
Max Storage (ac-ft)2250.00
Surface Area (acres)0.00
Year Completed1988
NID NumberUT00588
River NameSOUTH CREEK
Latitude37.1472
Longitude-112.985
Year Modified
Regulatory Agency(ies)
Incident Time12:00 AM
Incident Duration
Incident Report Produced
Information Sources
Attachments