BRAWNER LAKE - MN00120-3105
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
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