HILLSBORO - WI00320-3329
Dam Name: HILLSBORO
State: WI
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 08/28/2018
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2
Incident Mechanism 3
Incident IDWI00320-3329
Incident DescriptionEarthen embankment overtopped causing extreme scour and erosion next to left wing wall
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeL
Dam TypePGRE
Primary Purpose(s)R
EAPY
Dam Height25 ft
Max Storage (ac-ft)430.00
Surface Area (acres)42.00
Year Completed1854
NID NumberWI00320
River NameWEST BRANCH BARABOO R.
Latitude43.6487
Longitude-90.3374
Year Modified
1967
Regulatory Agency(ies)WIDNR
Incident Time
Incident Duration1 day
Incident Report ProducedUnknown
Information SourcesWI DNR
