|
Incident ID |
WI12249-3564 |
|
Dam Name |
CATARACT |
|
Downstream Hazard Potential |
|
|
State |
WI |
|
Incident Date |
06/22/2023 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Sinkhole |
|
Incident Mechanism 2 |
|
|
Incident Mechanism 3 |
|
|
Incident Description |
Sinkhole formed on top of the embankment, slightly downstream from the crest, approximately 65’ right of the bridge abutment. The hole was approximately 2.5’ deep x 3’ wide x 5.5’ long. Dye testing performed , no outlet detected. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
|
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
$1 to $100,000 |
|
Volume released at failure (ac-ft) |
|
|
Response |
|
|
Additional Remarks or Updates |
|
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
WI Dam Safety |
|
Owner Type |
|
|
Dam Type |
|
|
Primary Purpose(s) |
|
|
EAP |
|
|
Year Completed |
0 |
|
Year Modified |
0 |
|
Dam Height |
0 ft |
|
Max Storage (ac-ft) |
0 ac-ft |
|
Surface Area (acres) |
0 acres |
|
River Name |
|
|
Latitude |
0 |
|
Longitude |
0 |
|
Regulatory Agency(ies) |
|
|
NID Number |
WI12249 |
|
Attachments |
|
