|
Incident ID |
MD00213-3078 |
|
Dam Name |
RIAWALKIN POND |
|
Downstream Hazard Potential |
L |
|
State |
MD |
|
Incident Date |
06/28/2016 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Deterioration Or Poor Condition |
|
Incident Mechanism 1 |
Spillway Pipe Failure |
|
Incident Mechanism 2 |
Piping |
|
Incident Mechanism 3 |
|
|
Incident Description |
Five to 9 inches of rain (approx. 200 yr storm) fell. Accelerated piping type erosion around deteriorated CMP spillway barrel. Downstream embankment and road on crest suffered sinkholes/erosion. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
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 |
S |
|
Dam Type |
RE |
|
Primary Purpose(s) |
R |
|
EAP |
NR |
|
Year Completed |
1950 |
|
Year Modified |
1996 |
|
Dam Height |
12 ft |
|
Max Storage (ac-ft) |
91 ac-ft |
|
Surface Area (acres) |
12 acres |
|
River Name |
ROCKAWALKING CREEK |
|
Latitude |
38.3678 |
|
Longitude |
-75.6749 |
|
Regulatory Agency(ies) |
MD DAM SAFETY |
|
NID Number |
MD00213 |
|
Attachments |
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