|
Incident ID |
DE00019-2861 |
|
Dam Name |
TRUSSAMS POND DAM |
|
Downstream Hazard Potential |
S |
|
State |
DE |
|
Incident Date |
09/30/2016 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Spillway Erosion/head Cutting |
|
Incident Mechanism 2 |
Overtopping |
|
Incident Mechanism 3 |
|
|
Incident Description |
An extreme rainfall event resulted in excessive flow over the spillway which caused erosion behind and partial failure of the training walls. This also caused embankment erosion on left and right side of the downstream bridge. |
|
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 $) |
$1 to $100,000 |
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
EAP procedures were followed but it was not "officially" activated |
|
Incident Time |
18:00 |
|
Incident Duration |
1 day |
|
Incident Report Produced |
Yes |
|
Information Sources |
Dam is located at a State Park. DelDOT and State Park staff were on site during the incident. |
|
Owner Type |
S |
|
Dam Type |
REPG |
|
Primary Purpose(s) |
R |
|
EAP |
N |
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
12 ft |
|
Max Storage (ac-ft) |
665 ac-ft |
|
Surface Area (acres) |
38 acres |
|
River Name |
JAMES BRANCH |
|
Latitude |
38.5258 |
|
Longitude |
-75.5117 |
|
Regulatory Agency(ies) |
DNREC |
|
NID Number |
DE00019 |
|
Attachments |
|
