BRAWNER LAKE - MN00120-3105
Dam Name: BRAWNER LAKE
State: MN
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 02/24/2015
Incident Driver: Deterioration or Poor Condition
Incident Mechanism 1: Spillway Pipe Failure
Incident Mechanism 2
Incident Mechanism 3
Incident IDMN00120-3105
Incident DescriptionIn 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 IncidentNo
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)Unknown
ResponseDNR owned Dam. Operators notified DNR Dam Safety quickly.
Volume released at failure (ac-ft)400
Additional Remarks or Updates
Owner TypeS
Dam TypePGRE
Primary Purpose(s)O
EAPNR
Dam Height32 ft
Max Storage (ac-ft)450.00
Surface Area (acres)30.00
Year Completed1952
NID NumberMN00120
River NameREDWOOD RIVER
Latitude44.3358
Longitude-95.9214
Year Modified
1997
Regulatory Agency(ies)MNDNR EWR
Incident Time
Incident Duration2 years to complete failure
Incident Report ProducedNo
Information SourcesMNDNR
