|
Incident ID |
MS00104-3460 |
|
Dam Name |
ROBBINS LAKE DAM |
|
Downstream Hazard Potential |
U |
|
State |
MS |
|
Incident Date |
01/02/2020 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Hydrologic/flooding |
|
Incident Mechanism 1 |
Overtopping |
|
Incident Mechanism 2 |
Insufficient Spillway Capacity |
|
Incident Mechanism 3 |
Erosion |
|
Incident Description |
1‐3 ft overtopping, at least 3 large head cut erosion scalps on downstream slope. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
N |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
0 |
|
Economic Damages (in $) |
0 |
|
Volume released at failure (ac-ft) |
|
|
Response |
County officials shut down one lane of traffic and maintained a lowered lake level until repairs could be completed. New culverts installed and backslope regraded and armored with grouted riprap. |
|
Additional Remarks or Updates |
|
|
Incident Time |
7:30 pm |
|
Incident Duration |
|
|
Incident Report Produced |
Y |
|
Information Sources |
MDEQ Dam Safety |
|
Owner Type |
L |
|
Dam Type |
RE |
|
Primary Purpose(s) |
R |
|
EAP |
NR |
|
Year Completed |
1973 |
|
Year Modified |
0 |
|
Dam Height |
32 ft |
|
Max Storage (ac-ft) |
886 ac-ft |
|
Surface Area (acres) |
36 acres |
|
River Name |
ROBBINS BAYOU |
|
Latitude |
31.432 |
|
Longitude |
-91.4046 |
|
Regulatory Agency(ies) |
MS DEPARTMENT OF ENVIRONMENTAL QUALITY |
|
NID Number |
MS00104 |
|
Attachments |
|
