|
Incident ID |
PA00145-3260 |
|
Dam Name |
LAKE QUINN |
|
Downstream Hazard Potential |
H |
|
State |
PA |
|
Incident Date |
01/24/2018 |
|
Incident Type |
Failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Reservoir Overfilling |
|
Incident Mechanism 2 |
Other |
|
Incident Mechanism 3 |
|
|
Incident Description |
offerdam was overtopped and failure during construction. At the time of the cofferdam failure, the main dam has a significant breach cut through it for construction purposes. Main dam embankment was overtopped as a result of the cofferdam failure and a significant discharge occurred. This discharge into the downstream inundation area was ultimately reduced by a downstream roadway crossing. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
Unknown |
|
Other Infrastructure Impacts |
Unknown |
|
Economic Damages (in $) |
$1 to $100,000 |
|
Volume released at failure (ac-ft) |
400 ac-ft |
|
Response |
Owners reconstructed the cofferdam with a bypass spillway to prevent reoccurance. |
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
No |
|
Information Sources |
PA DEP |
|
Owner Type |
P |
|
Dam Type |
MSREST |
|
Primary Purpose(s) |
R |
|
EAP |
Y |
|
Year Completed |
1946 |
|
Year Modified |
0 |
|
Dam Height |
12 ft |
|
Max Storage (ac-ft) |
1244 ac-ft |
|
Surface Area (acres) |
118 acres |
|
River Name |
TR MIDDLE CREEK |
|
Latitude |
41.5081 |
|
Longitude |
-75.4261 |
|
Regulatory Agency(ies) |
PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION |
|
NID Number |
PA00145 |
|
Attachments |
|
