MCDILL - WI00176-1330


Incident ID WI00176-1330
Dam Name MCDILL
Downstream Hazard Potential S
State WI
Incident Date 06/10/2011
Incident Type Non-failure
Incident Driver Seepage/internal Erosion
Incident Mechanism 1 Piping
Incident Mechanism 2
Incident Mechanism 3
Incident Description Depression was noted in downstream embankment adjacent to the outlet structure. Die testing showed evidence of piping through embankment. Drawdown was initiated.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident No
Fatalities (Number)
Number of People Evacuated 0
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts None
Economic Damages (in $)
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates Temporary closure of County Highway over dam
Incident Time
Incident Duration
Incident Report Produced
Information Sources
Owner Type L
Dam Type CNRE
Primary Purpose(s)
EAP Y
Year Completed 1855
Year Modified 1962
Dam Height 20 ft
Max Storage (ac-ft) 2160 ac-ft
Surface Area (acres) 261 acres
River Name PLOVER
Latitude 44.4928
Longitude -89.5558
Regulatory Agency(ies) WIDNR
NID Number WI00176
Attachments Y