|
Incident ID |
NJ00113-3362 |
|
Dam Name |
PORCHES MILL DAM |
|
Downstream Hazard Potential |
L |
|
State |
NJ |
|
Incident Date |
08/07/2020 |
|
Incident Type |
Failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Overtopping |
|
Incident Mechanism 2 |
Insufficient Spillway Capacity |
|
Incident Mechanism 3 |
|
|
Incident Description |
Heavy rainstorm caused overtopping failure of earthen embankment |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
Roads |
|
Economic Damages (in $) |
Unknown |
|
Volume released at failure (ac-ft) |
76 ac-ft |
|
Response |
|
|
Additional Remarks or Updates |
Dam embankment crest served as municipal roadway, therefore breach resulted in the loss of municipal roadway |
|
Incident Time |
|
|
Incident Duration |
1 day |
|
Incident Report Produced |
Investigation |
|
Information Sources |
NJ Dam Safety |
|
Owner Type |
P |
|
Dam Type |
PGRE |
|
Primary Purpose(s) |
R |
|
EAP |
NR |
|
Year Completed |
1923 |
|
Year Modified |
0 |
|
Dam Height |
20 ft |
|
Max Storage (ac-ft) |
76 ac-ft |
|
Surface Area (acres) |
18 acres |
|
River Name |
OLDMANS CREEK-TR |
|
Latitude |
39.7001 |
|
Longitude |
-75.3319 |
|
Regulatory Agency(ies) |
NJDEP |
|
NID Number |
NJ00113 |
|
Attachments |
|
