|
Incident ID |
MD00005-3157 |
|
Dam Name |
BRIGHTON |
|
Downstream Hazard Potential |
H |
|
State |
MD |
|
Incident Date |
09/28/2017 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Manmade Action |
|
Incident Mechanism 1 |
Accident Or Misoperation |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Excessive concrete removal from spillway slab during repairs resulted in potential instability |
|
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 |
Structural Analysis interim stability, lower pool |
|
Additional Remarks or Updates |
Repairs took 6 months |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
MD Dam Safety |
|
Owner Type |
L |
|
Dam Type |
CBER |
|
Primary Purpose(s) |
HS |
|
EAP |
Y |
|
Year Completed |
1943 |
|
Year Modified |
0 |
|
Dam Height |
82 ft |
|
Max Storage (ac-ft) |
19560 ac-ft |
|
Surface Area (acres) |
800 acres |
|
River Name |
PATUXENT RIVER |
|
Latitude |
39.1934 |
|
Longitude |
-77.0055 |
|
Regulatory Agency(ies) |
MD DAM SAFETY |
|
NID Number |
MD00005 |
|
Attachments |
|
