MASSEYS MILL POND DAM - DE00029-1203


Incident ID DE00029-1203
Dam Name MASSEYS MILL POND DAM
Downstream Hazard Potential L
State DE
Incident Date 08/28/2011
Incident Type Non-failure
Incident Driver Hydrologic/flooding
Incident Mechanism 1 Overtopping
Incident Mechanism 2
Incident Mechanism 3
Incident Description Overtopping caused failure of a training wall in the downstream channel and minor erosion in a few areas at top of downstream embankment along edge of road. No emergency repairs were necessary.
Named Hydrologic Event Irene
EAP Enacted (Y/N) due to Incident No
Fatalities (Number)
Number of People Evacuated 0
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts None
Economic Damages (in $) unknown
Volume released at failure (ac-ft) 0 ac-ft
Response
Additional Remarks or Updates Dam overtopped before daylight on 8/28/2011; depth of flow and length of time are unknown. Masseys Mill Pond Dam is directly upstream from Garrisons Lake Dam, and overtopping flow from Masseys most likely contributed to Garrisons overtopping.
Incident Time
Incident Duration
Incident Report Produced
Information Sources
Owner Type S
Dam Type REPG
Primary Purpose(s) RF
EAP NR
Year Completed 1933
Year Modified 0
Dam Height 12 ft
Max Storage (ac-ft) 490 ac-ft
Surface Area (acres) 36 acres
River Name LEIPSIC RIVER
Latitude 39.2395
Longitude -75.6175
Regulatory Agency(ies)
NID Number DE00029
Attachments