Incident ID |
PA00780-3220 |
Dam Name |
ARROWHEAD LAKE |
Downstream Hazard Potential |
H |
State |
PA |
Incident Date |
04/26/1994 |
Incident Type |
Failure |
Incident Driver |
Seepage/internal Erosion |
Incident Mechanism 1 |
Piping |
Incident Mechanism 2 |
|
Incident Mechanism 3 |
|
Incident Description |
A "BLOWOUT" UNDER THE CENTER OF OGEE WEIR WITH RELEASE OF A LARGE VOLUME OF WATER |
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 |
0 |
Other Infrastructure Impacts |
|
Economic Damages (in $) |
$100,000 to $500,000 |
Volume released at failure (ac-ft) |
|
Response |
COFFERDAM CONSTRUCTED; A 20' BOTTOM WIDTH BREACH CHANNEL EXCAVATED TO DRAIN BY MAY 11 |
Additional Remarks or Updates |
HOLE UNDER WEIR MEASURED 20' WIDE & 4' DEEP. REHAB PROJECT COMPLETE ON 7/27/2004. |
Incident Time |
|
Incident Duration |
|
Incident Report Produced |
|
Information Sources |
PA Dam Safety |
Owner Type |
P |
Dam Type |
RE |
Primary Purpose(s) |
R |
EAP |
Y |
Year Completed |
1954 |
Year Modified |
2002 |
Dam Height |
18 ft |
Max Storage (ac-ft) |
2344 ac-ft |
Surface Area (acres) |
218 acres |
River Name |
TROUT CREEK |
Latitude |
41.1536 |
Longitude |
-75.5775 |
Regulatory Agency(ies) |
PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION |
NID Number |
PA00780 |
Attachments |
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