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Incident ID |
DE00000-1208 |
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Dam Name |
CRAIGS POND DAM |
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Downstream Hazard Potential |
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|
State |
DE |
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Incident Date |
09/08/2011 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Overtopping |
|
Incident Mechanism 2 |
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Incident Mechanism 3 |
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|
Incident Description |
Overtopping caused major damage to the roadway and downstream slope of the dam. Approximately 400 feet of the downstream slope and one lane of the roadway were washed out, but the dam was not totally breached.
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Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
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Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
$100,000 to $500,000 |
|
Volume released at failure (ac-ft) |
0 ac-ft |
|
Response |
|
|
Additional Remarks or Updates |
Dam started overtopping around 7 or 8 pm on 9/08/2011 and overtopping continued until about 8 am on 9/09/2011. The overtopping flow was reported to be higher than the top of the guardrail along the road across the crest of the dam, although this was not verified. The |
|
Incident Time |
12:00 AM |
|
Incident Duration |
|
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Incident Report Produced |
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Information Sources |
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Owner Type |
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Dam Type |
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Primary Purpose(s) |
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|
EAP |
|
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
0 ft |
|
Max Storage (ac-ft) |
0 ac-ft |
|
Surface Area (acres) |
0 acres |
|
River Name |
|
|
Latitude |
0 |
|
Longitude |
0 |
|
Regulatory Agency(ies) |
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|
NID Number |
DE00000 |
|
Attachments |
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