PATTISON STATE PARK - WI00127-3334
Incident ID WI00127-3334
Dam Name PATTISON STATE PARK
Downstream Hazard Potential S
State WI
Incident Date 06/17/2018
Incident Type Failure
Incident Driver Hydrologic/flooding
Incident Mechanism 1 Debris Clogging
Incident Mechanism 2 Erosion
Incident Mechanism 3 Overtopping
Incident Description Left embankment overtopped & failed, significant debris & tree buildup in spillway due to high flows
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
Fatalities (Number) 0
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates
Incident Time
Incident Duration
Incident Report Produced Unknown
Information Sources WI DNR
Owner Type L
Dam Type PGRE
Primary Purpose(s) R
EAP Y
Year Completed 1931
Year Modified 0
Dam Height 20 ft
Max Storage (ac-ft) 340 ac-ft
Surface Area (acres) 27 acres
River Name BLACK
Latitude 46.5356
Longitude -92.1208
Regulatory Agency(ies) WIDNR
NID Number WI00127
Attachments
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