|
Incident ID |
MN00120-3105 |
|
Dam Name |
BRAWNER LAKE |
|
Downstream Hazard Potential |
L |
|
State |
MN |
|
Incident Date |
02/24/2015 |
|
Incident Type |
Failure |
|
Incident Driver |
Deterioration Or Poor Condition |
|
Incident Mechanism 1 |
Spillway Pipe Failure |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
In 2015, a small seperation between the riser and outlet conduit occurred, resulting in a slowly falling lake level. In 2017, the corroded conduit seperated from the riser draining the lake. |
|
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) |
400 ac-ft |
|
Response |
DNR owned Dam. Operators notified DNR Dam Safety quickly. |
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
2 years to complete failure |
|
Incident Report Produced |
No |
|
Information Sources |
MNDNR |
|
Owner Type |
S |
|
Dam Type |
PGRE |
|
Primary Purpose(s) |
O |
|
EAP |
NR |
|
Year Completed |
1952 |
|
Year Modified |
1997 |
|
Dam Height |
32 ft |
|
Max Storage (ac-ft) |
450 ac-ft |
|
Surface Area (acres) |
30 acres |
|
River Name |
REDWOOD RIVER |
|
Latitude |
44.3358 |
|
Longitude |
-95.9214 |
|
Regulatory Agency(ies) |
MNDNR EWR |
|
NID Number |
MN00120 |
|
Attachments |
|
