|
Incident ID |
MN01847-3524 |
|
Dam Name |
Sibley 34 |
|
Downstream Hazard Potential |
L |
|
State |
MN |
|
Incident Date |
04/11/2022 |
|
Incident Type |
Failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Erosion |
|
Incident Mechanism 2 |
Excessive/increased Seepage |
|
Incident Mechanism 3 |
Piping |
|
Incident Description |
Upon inspection, failure was noted. Piping led to erosion which led to failure of the left abutment. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
None |
|
Economic Damages (in $) |
Unknown |
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
No |
|
Information Sources |
MN Dam Safety |
|
Owner Type |
L |
|
Dam Type |
OT |
|
Primary Purpose(s) |
C |
|
EAP |
NR |
|
Year Completed |
1965 |
|
Year Modified |
2019 |
|
Dam Height |
14 ft |
|
Max Storage (ac-ft) |
132 ac-ft |
|
Surface Area (acres) |
0 acres |
|
River Name |
South Branch Rush River |
|
Latitude |
44.4619 |
|
Longitude |
-94.1772 |
|
Regulatory Agency(ies) |
MNDNR EWR |
|
NID Number |
MN01847 |
|
Attachments |
|
