OXBO FLOWAGE - WI12745-3418

Dam Name: OXBO FLOWAGE
State: WI
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 04/01/2019
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Excessive/Increased Seepage
Incident Mechanism 2Piping
Incident Mechanism 3
Incident IDWI12745-3418
Incident DescriptionWater flowing into the embankment adjacent to the inlet of the horizontal CMP of water control structure. Water flowing through and underneath of the CMP. 10 days after initial observation, embankment was completely breached.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)None
ResponseOwners activitated EAP and closely monitored the site. Barricaded and signed to prevent entry to public.
Volume released at failure (ac-ft)
Additional Remarks or UpdatesRemote area of wildlife area so risk was low. Completed temporary repairs by Apr 11.
Owner TypeS
Dam TypeRE
Primary Purpose(s)R
EAPY
Dam Height8 ft
Max Storage (ac-ft)100.00
Surface Area (acres)28.00
Year Completed
NID NumberWI12745
River NameOXBO CREEK
Latitude45.1701
Longitude-89.4056
Year Modified
Regulatory Agency(ies)WIDNR
Incident Time
Incident Duration10 days
Incident Report ProducedNo
Information SourcesWI Dam Safety
Attachments