BIG ELK LAKE - PA00056-3223
Dam Name: BIG ELK LAKE
State: PA
Downstream Hazard Potential: S
Incident Type: Non-Failure
Incident Date: 09/08/2011
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: High Reservoir Level
Incident Mechanism 2
Incident Mechanism 3
Incident IDPA00056-3223
Incident DescriptionEAP EVACUATIONS. OWNER PUT SANDBAGS, TWO LAYERS, ACROSS TOP OF DAM. WATER ROSE ABOVE FIRST LAYER.
Named Hydrologic EventTS Lee
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)0
Number of People Evacuated15
Number of Habitable Structures Evacuated6
Number of Habitable Structures Flooded0
Other Infrastructure Impacts
Economic Damages (in $)None
ResponseA DETAILED BREACH ANALYSIS IN 2016 USING LIDAR SHOWED DOWNSTREAM HOMES ARE NOT IMPACTED BY A DAM FAILURE.
Volume released at failure (ac-ft)
Additional Remarks or UpdatesOVERTOPPING PREVENTED BY SANDBAGS. BY 4:30 PM, 9/8/11 WATER HAD RECEDED TO 6 INCH BELOW TOP OF DAM.
Owner TypeP
Dam TypeMSREST
Primary Purpose(s)RS
EAPY
Dam Height12 ft
Max Storage (ac-ft)740.00
Surface Area (acres)79.00
Year Completed1860
NID NumberPA00056
River NameELK LAKE STREAM
Latitude41.7528
Longitude-75.9547
Year Modified
2006
Regulatory Agency(ies)PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION
Incident Time
Incident Duration1 DAY
Incident Report Produced
Information SourcesPA Dam Safety
