|
Incident ID |
VA089003-3304 |
|
Dam Name |
BEAVER CREEK DAM |
|
Downstream Hazard Potential |
H |
|
State |
VA |
|
Incident Date |
05/21/2018 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Spillway Chute Failure |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Damage due to excessive rain. Unable to maintain the lower pool level of 18” down from crest of their concrete spillway, and water is again flowing through their damaged concrete spillway. Voids under the concrete spillway and heaved slab sections on th |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
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 |
It was then found that even with flows as low as 0.5 CFS (about 225 gallons per minute)in the spillway there was continual and significant amounts of subslab base material from under the spillway concrete spillway eroding out and depositing into the plun |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
VA DCR |
|
Owner Type |
L |
|
Dam Type |
RE |
|
Primary Purpose(s) |
S |
|
EAP |
Y |
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
70 ft |
|
Max Storage (ac-ft) |
6603 ac-ft |
|
Surface Area (acres) |
206 acres |
|
River Name |
BEAVER CREEK |
|
Latitude |
36.7433 |
|
Longitude |
-79.875 |
|
Regulatory Agency(ies) |
DEPARTMENT OF CONSERVATION AND RECREATION |
|
NID Number |
VA089003 |
|
Attachments |
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