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Incident ID |
DE00043-3532 |
|
Dam Name |
GRIFFITH LAKE DAM |
|
Downstream Hazard Potential |
H |
|
State |
DE |
|
Incident Date |
08/16/2023 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
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Incident Mechanism 1 |
Piping |
|
Incident Mechanism 2 |
Spillway Chute Failure |
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Incident Mechanism 3 |
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Incident Description |
Active piping issue discovered on 8/16/23. The water level in the pond was lowered and an unsuccessful attempt to fill the voids under the spillway was made. |
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Named Hydrologic Event |
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EAP Enacted (Y/N) due to Incident |
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Fatalities (Number) |
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Number of People Evacuated |
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Number of Habitable Structures Evacuated |
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Number of Habitable Structures Flooded |
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Other Infrastructure Impacts |
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Economic Damages (in $) |
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Volume released at failure (ac-ft) |
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Response |
An unsuccessful attempt to fill the voids under the spillway was made. A replacement spillway design is being expedited. |
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Additional Remarks or Updates |
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Incident Time |
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Incident Duration |
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Incident Report Produced |
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Information Sources |
DE Dam Safety |
|
Owner Type |
S |
|
Dam Type |
PGRE |
|
Primary Purpose(s) |
FR |
|
EAP |
Y |
|
Year Completed |
0 |
|
Year Modified |
2006 |
|
Dam Height |
12 ft |
|
Max Storage (ac-ft) |
310 ac-ft |
|
Surface Area (acres) |
40 acres |
|
River Name |
MISPILLION RIVER |
|
Latitude |
38.9112 |
|
Longitude |
-75.4648 |
|
Regulatory Agency(ies) |
DNREC |
|
NID Number |
DE00043 |
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Attachments |
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