MASSEYS MILL POND DAM - DE00029-1203
Dam Name: MASSEYS MILL POND DAM
State: DE
Downstream Hazard Potential: L
Incident Type: Non-Failure
Incident Date: 08/28/2011
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2
Incident Mechanism 3
Incident IDDE00029-1203
Incident DescriptionOvertopping 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 EventIrene
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)
Number of People Evacuated0
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)unknown
Response
Volume released at failure (ac-ft)0
Additional Remarks or UpdatesDam 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.
Owner TypeS
Dam TypeREPG
Primary Purpose(s)RF
EAPNR
Dam Height12 ft
Max Storage (ac-ft)490.00
Surface Area (acres)36.00
Year Completed1933
NID NumberDE00029
River NameLEIPSIC RIVER
Latitude39.2395
Longitude-75.6175
Year Modified
Regulatory Agency(ies)
Incident Time
Incident Duration
Incident Report Produced
Information Sources