CATARACT - WI12249-3564
Dam Name: CATARACT
State: WI
Downstream Hazard Potential:
Incident Type: Non-Failure
Incident Date: 06/22/2023
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Sinkhole
Incident Mechanism 2
Incident Mechanism 3
Incident IDWI12249-3564
Incident DescriptionSinkhole 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 IncidentNo
Fatalities (Number)
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure Impacts
Economic Damages (in $)$1 to $100,000
Response
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner Type
Dam Type
Primary Purpose(s)
EAP
Dam Height0 ft
Max Storage (ac-ft)0.00
Surface Area (acres)0.00
Year Completed0
NID NumberWI12249
River Name
Latitude0
Longitude0
Year Modified
Regulatory Agency(ies)
Incident Time
Incident Duration
Incident Report Produced
Information SourcesWI Dam Safety
