Sibley 34 - MN01847-3524
Dam Name: Sibley 34
State: MN
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 04/11/2022
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Erosion
Incident Mechanism 2Excessive/Increased Seepage
Incident Mechanism 3Piping
Incident IDMN01847-3524
Incident DescriptionUpon 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 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
Response
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeL
Dam TypeOT
Primary Purpose(s)C
EAPNR
Dam Height14 ft
Max Storage (ac-ft)132.00
Surface Area (acres)0.00
Year Completed1965
NID NumberMN01847
River NameSouth Branch Rush River
Latitude44.4619
Longitude-94.1772
Year Modified
2019
Regulatory Agency(ies)MNDNR EWR
Incident Time
Incident Duration
Incident Report ProducedNo
Information SourcesMN Dam Safety
