|
Incident ID |
PA00341-3214 |
|
Dam Name |
LAKE LEHMAN |
|
Downstream Hazard Potential |
H |
|
State |
PA |
|
Incident Date |
08/23/2010 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Excessive/increased Seepage |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
NEW & SIGNIFICANT SEEPAGE WAS OBSERVED ALONG A GUIDE WALL, DOWNSTREAM END OF OUTLET PIPE. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
OWNER ISTRUCTED TO LOWER LAKE AT RATE OF 1 FT PER DAY. LAKE MAINTAINED 10' BELOW NORMAL POOL. |
|
Additional Remarks or Updates |
THE COMPANY DECIDED TO REMOVE THE DAM UNDER WAIVER TO BREACH; COMPLETED IN 2014-15. |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
PA Dam Safety |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
SR |
|
EAP |
|
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
52 ft |
|
Max Storage (ac-ft) |
0 ac-ft |
|
Surface Area (acres) |
0 acres |
|
River Name |
POWDER MILL RUN |
|
Latitude |
39.5147 |
|
Longitude |
-76.5139 |
|
Regulatory Agency(ies) |
PADEP |
|
NID Number |
PA00341 |
|
Attachments |
|
