|
Incident ID |
VA03501-1540 |
|
Dam Name |
BYLLESBY |
|
Downstream Hazard Potential |
H |
|
State |
VA |
|
Incident Date |
01/31/2013 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Overtopping |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Severe storms caused water to flow over the dam and flashboards, causing the water pressure to build up to potentially unsafe levels behind the dams. The flashboards are designed to give way but in this case, they needed to be removed by hand. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
Yes |
|
Fatalities (Number) |
|
|
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 |
Pulaski County declared a state of emergency and issued mandatory evacuations in the Parrott, Belspring, Hiwassee, Delton, and Allisonia communities. About 80 homes were contacted for evacuation. |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
U |
|
Dam Type |
PGCN |
|
Primary Purpose(s) |
HR |
|
EAP |
Y |
|
Year Completed |
1912 |
|
Year Modified |
1993 |
|
Dam Height |
63 ft |
|
Max Storage (ac-ft) |
2034 ac-ft |
|
Surface Area (acres) |
242 acres |
|
River Name |
NEW RIVER |
|
Latitude |
36.7858 |
|
Longitude |
-80.9336 |
|
Regulatory Agency(ies) |
DCR |
|
NID Number |
VA03501 |
|
Attachments |
Y |
