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Incident ID |
VA015506-3318 |
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Dam Name |
LAKE POWHATAN DAM |
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Downstream Hazard Potential |
H |
|
State |
VA |
|
Incident Date |
02/23/2019 |
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Incident Type |
Non-failure |
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Incident Driver |
Deterioration Or Poor Condition |
|
Incident Mechanism 1 |
Gate/valve Failure |
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Incident Mechanism 2 |
Spillway Pipe Failure |
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Incident Mechanism 3 |
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|
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 |
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Named Hydrologic Event |
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EAP Enacted (Y/N) due to Incident |
|
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
|
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Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
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Other Infrastructure Impacts |
|
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Economic Damages (in $) |
|
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Volume released at failure (ac-ft) |
|
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Response |
|
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Additional Remarks or Updates |
|
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Incident Time |
|
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Incident Duration |
|
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Incident Report Produced |
|
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Information Sources |
VA DCR |
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Owner Type |
|
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Dam Type |
|
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Primary Purpose(s) |
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|
EAP |
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Year Completed |
0 |
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Year Modified |
0 |
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Dam Height |
0 ft |
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Max Storage (ac-ft) |
0 ac-ft |
|
Surface Area (acres) |
0 acres |
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River Name |
|
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Latitude |
0 |
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Longitude |
0 |
|
Regulatory Agency(ies) |
DEPARTMENT OF CONSERVATION AND RECREATION |
|
NID Number |
VA015506 |
|
Attachments |
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