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 |
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