|
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 |
