MOON LAKE - PA01781-3222
Dam Name: MOON LAKE
State: PA
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 07/22/2018
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2Excessive/Increased Seepage
Incident Mechanism 3
Incident IDPA01781-3222
Incident DescriptionEXTREME RAINFALL OVERTOPPED DAM, DAMAGED DOWNSTREAM SLOPE, AND RESULTED IN SEEPAGE BOILS.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)0
Number of People Evacuated2
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsRoads
Economic Damages (in $)
ResponseEAP ACTIVATED AND COMPLETE DRAWDOWN REQUIRED.
Volume released at failure (ac-ft)
Additional Remarks or UpdatesREHAB PROJECT APPROVED IN 2012 NOT COMPLETED WITH THERE WERE CONSTRUCTION DEFICIENCIES.
Owner TypeP
Dam TypeCNRE
Primary Purpose(s)R
EAPY
Dam Height12 ft
Max Storage (ac-ft)54.00
Surface Area (acres)14.00
Year Completed
NID NumberPA01781
River NameDEEP CREEK
Latitude40.7186
Longitude-76.38
Year Modified
Regulatory Agency(ies)PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION
Incident Time
Incident Duration5 DAYS
Incident Report Produced
Information SourcesPA Dam Safety
