|
Incident ID |
NC05945-1980 |
|
Dam Name |
DAN RIVER ACTIVE PRIMARY ASH BASIN |
|
Downstream Hazard Potential |
H |
|
State |
NC |
|
Incident Date |
02/02/2014 |
|
Incident Type |
Failure |
|
Incident Driver |
Deterioration Or Poor Condition |
|
Incident Mechanism 1 |
Spillway Pipe Failure |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Failure of a 48-inch corrugated metal storm-water pipe that ran beneath the ash basin released ash slurry into the adjacent river. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
|
|
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) |
83 ac-ft |
|
Response |
|
|
Additional Remarks or Updates |
An estimated 82,000 tons of ash were released into the river. The pipe was thought to be reinforced concrete but it was actually CMP and only RCP at the outlet. Estimated 27 M gallons of basin water released. |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
|
|
Owner Type |
U |
|
Dam Type |
RE |
|
Primary Purpose(s) |
O |
|
EAP |
Y |
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
40 ft |
|
Max Storage (ac-ft) |
0 ac-ft |
|
Surface Area (acres) |
0 acres |
|
River Name |
DAN RIVER |
|
Latitude |
36.4883 |
|
Longitude |
-79.7148 |
|
Regulatory Agency(ies) |
NCDENR |
|
NID Number |
NC05945 |
|
Attachments |
Y |
