LAKE POWHATAN DAM - VA015506-3318
Incident ID VA015506-3318
Dam Name LAKE POWHATAN DAM
Downstream Hazard Potential H
State VA
Incident Date 02/23/2019
Incident Type Non-failure
Incident Driver Deterioration Or Poor Condition
Incident Mechanism 1 Gate/valve Failure
Incident Mechanism 2 Spillway Pipe Failure
Incident Mechanism 3
Incident Description minor erosion on the upper face of the dam, not the crest, due to a whirlpool created due to a joint failure with the inlet pipe between the bottom drain valve and the dam on the lake side of the dam.  The owners opened the valve to perform maintenance pr
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
Fatalities (Number) 0
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
Additional Remarks or Updates
Incident Time
Incident Duration
Incident Report Produced
Information Sources VA DCR
Owner Type
Dam Type
Primary Purpose(s)
EAP
Year Completed 0
Year Modified 0
Dam Height 0 ft
Max Storage (ac-ft) 0 ac-ft
Surface Area (acres) 0 acres
River Name
Latitude 0
Longitude 0
Regulatory Agency(ies) DEPARTMENT OF CONSERVATION AND RECREATION
NID Number VA015506
Attachments
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