Incident ID |
PA00056-3223 |
Dam Name |
BIG ELK LAKE |
Downstream Hazard Potential |
S |
State |
PA |
Incident Date |
09/08/2011 |
Incident Type |
Non-failure |
Incident Driver |
Hydrologic/flooding |
Incident Mechanism 1 |
High Reservoir Level |
Incident Mechanism 2 |
|
Incident Mechanism 3 |
|
Incident Description |
EAP EVACUATIONS. OWNER PUT SANDBAGS, TWO LAYERS, ACROSS TOP OF DAM. WATER ROSE ABOVE FIRST LAYER. |
Named Hydrologic Event |
TS Lee |
EAP Enacted (Y/N) due to Incident |
Yes |
Fatalities (Number) |
0 |
Number of People Evacuated |
15 |
Number of Habitable Structures Evacuated |
6 |
Number of Habitable Structures Flooded |
0 |
Other Infrastructure Impacts |
|
Economic Damages (in $) |
None |
Volume released at failure (ac-ft) |
|
Response |
A DETAILED BREACH ANALYSIS IN 2016 USING LIDAR SHOWED DOWNSTREAM HOMES ARE NOT IMPACTED BY A DAM FAILURE. |
Additional Remarks or Updates |
OVERTOPPING PREVENTED BY SANDBAGS. BY 4:30 PM, 9/8/11 WATER HAD RECEDED TO 6 INCH BELOW TOP OF DAM. |
Incident Time |
|
Incident Duration |
1 DAY |
Incident Report Produced |
|
Information Sources |
PA Dam Safety |
Owner Type |
P |
Dam Type |
MSREST |
Primary Purpose(s) |
RS |
EAP |
Y |
Year Completed |
1860 |
Year Modified |
2006 |
Dam Height |
12 ft |
Max Storage (ac-ft) |
740 ac-ft |
Surface Area (acres) |
79 acres |
River Name |
ELK LAKE STREAM |
Latitude |
41.7528 |
Longitude |
-75.9547 |
Regulatory Agency(ies) |
PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION |
NID Number |
PA00056 |
Attachments |
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