ARROWHEAD LAKE - PA00780-3220


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