HENION POND DAM - NJ00224-966

Dam Name: HENION POND DAM
State: NJ
Downstream Hazard Potential: S
Incident Type: Non-Failure
Incident Date: 04/17/2011
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Sinkhole
Incident Mechanism 2
Incident Mechanism 3
Incident IDNJ00224-966
Incident DescriptionSinkhole developed along crest of earth embankment
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)
Number of People Evacuated0
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeP
Dam TypePGRE
Primary Purpose(s)R
EAPY
Dam Height10 ft
Max Storage (ac-ft)
Surface Area (acres)45.00
Year Completed1926
NID NumberNJ00224
River NamePEQUANNOCK RIVER-TR
Latitude41.019
Longitude-74.363
Year Modified
Regulatory Agency(ies)NJDEP
Incident Time12:00 AM
Incident Duration
Incident Report Produced
Information Sources
Attachments