JORDAN POND DAM - SC00622-3118
Dam Name: JORDAN POND DAM
State: SC
Downstream Hazard Potential: S
Incident Type: Failure
Incident Date: 09/16/2018
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Spillway Erosion/Head Cutting
Incident Mechanism 2
Incident Mechanism 3
Incident IDSC00622-3118
Incident DescriptionHeavy rainfall over 72 hours associated with Hurricane Florence caused a major inflow event. Breached at what appears to be auxiliary spillway on embankment near left abutment. Post-breach inspection shows highly-erodible sandy soil and no apparent core in the embankment.
Named Hydrologic EventHurricane Florence
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure Impacts
Economic Damages (in $)
ResponseState Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam.
Volume released at failure (ac-ft)
Additional Remarks or UpdatesReport on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018.
Owner TypeP
Dam TypeRE
Primary Purpose(s)R
EAPY
Dam Height19 ft
Max Storage (ac-ft)88.00
Surface Area (acres)10.00
Year Completed1956
NID NumberSC00622
River NameLITTLE BOGGY SWAMP
Latitude34.423
Longitude-79.9951
Year Modified
Regulatory Agency(ies)SC DHEC
Incident Time
Incident Duration
Incident Report Produced
Information SourcesSC Dam Safety
