Incident ID |
PA00935-3191 |
Dam Name |
LOCH ALSH RESERVOIR |
Downstream Hazard Potential |
H |
State |
PA |
Incident Date |
09/08/2011 |
Incident Type |
Non-failure |
Incident Driver |
Hydrologic/flooding |
Incident Mechanism 1 |
Overtopping |
Incident Mechanism 2 |
|
Incident Mechanism 3 |
|
Incident Description |
TROPICAL STORM LEE CAUSED OVERTOPPING OF DAM WITH 5 INCHES RAINFALL IN 3 HOURS |
Named Hydrologic Event |
TS Lee |
EAP Enacted (Y/N) due to Incident |
Yes |
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 |
|
Additional Remarks or Updates |
|
Incident Time |
|
Incident Duration |
1 DAY |
Incident Report Produced |
|
Information Sources |
PA Dam Safety |
Owner Type |
L |
Dam Type |
MSREST |
Primary Purpose(s) |
R |
EAP |
Y |
Year Completed |
1915 |
Year Modified |
0 |
Dam Height |
16 ft |
Max Storage (ac-ft) |
41 ac-ft |
Surface Area (acres) |
6 acres |
River Name |
TR WISSAHICKON CREEK |
Latitude |
40.1558 |
Longitude |
-75.2047 |
Regulatory Agency(ies) |
PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION |
NID Number |
PA00935 |
Attachments |
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