|
Incident ID |
MD00106-3083 |
|
Dam Name |
GUILFORD RESERVOIR |
|
Downstream Hazard Potential |
H |
|
State |
MD |
|
Incident Date |
07/21/2016 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Manmade Action |
|
Incident Mechanism 1 |
Accident Or Misoperation |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
During preconstruction activities contractor excavated long trench at downstream toe of dam. Soil heave from bottom of excavation created unstable ground conditions and cracking in dam embankment. Reservoir ordered drained. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
Yes |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
|
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
MDE Dam Safety Program |
|
Owner Type |
L |
|
Dam Type |
RE |
|
Primary Purpose(s) |
S |
|
EAP |
Y |
|
Year Completed |
1893 |
|
Year Modified |
2006 |
|
Dam Height |
35 ft |
|
Max Storage (ac-ft) |
134 ac-ft |
|
Surface Area (acres) |
7 acres |
|
River Name |
OFFSTREAM-STONEY RUN |
|
Latitude |
39.345 |
|
Longitude |
-76.6167 |
|
Regulatory Agency(ies) |
MD DAM SAFETY |
|
NID Number |
MD00106 |
|
Attachments |
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