ARROWHEAD LAKE - PA00780-3220
Dam Name: ARROWHEAD LAKE
State: PA
Downstream Hazard Potential: H
Incident Type: Failure
Incident Date: 04/26/1994
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: PIPING
Incident Mechanism 2
Incident Mechanism 3
Incident IDPA00780-3220
Incident DescriptionA "BLOWOUT" UNDER THE CENTER OF OGEE WEIR WITH RELEASE OF A LARGE VOLUME OF WATER
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure Impacts
Economic Damages (in $)$100,000 to $500,000
ResponseCOFFERDAM CONSTRUCTED; A 20' BOTTOM WIDTH BREACH CHANNEL EXCAVATED TO DRAIN BY MAY 11
Volume released at failure (ac-ft)
Additional Remarks or UpdatesHOLE UNDER WEIR MEASURED 20' WIDE & 4' DEEP. REHAB PROJECT COMPLETE ON 7/27/2004.
Owner TypeP
Dam TypeRE
Primary Purpose(s)R
EAPY
Dam Height18 ft
Max Storage (ac-ft)2344.00
Surface Area (acres)218.00
Year Completed1954
NID NumberPA00780
River NameTROUT CREEK
Latitude41.1536
Longitude-75.5775
Year Modified
2002
Regulatory Agency(ies)PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION
Incident Time
Incident Duration
Incident Report Produced
Information SourcesPA Dam Safety
