INDIANFORD - WI00655-3572

Dam Name: INDIANFORD
State: WI
Downstream Hazard Potential: L
Incident Type: Non-Failure
Incident Date: 01/03/2023
Incident Driver: Manmade Action
Incident Mechanism 1: Sinkhole
Incident Mechanism 2
Incident Mechanism 3
Incident IDWI00655-3572
Incident DescriptionSinkhole discovered behind tailrace retaining wall D/S of powerhouse on west side of river, believed to be partially caused by high flows through the west bay of the powerhouse following completion of planned repairs.
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 TypeL
Dam TypePG
Primary Purpose(s)R
EAPY
Dam Height13 ft
Max Storage (ac-ft)107000.00
Surface Area (acres)10460.00
Year Completed1932
NID NumberWI00655
River NameROCK
Latitude42.8034
Longitude-89.0891
Year Modified
Regulatory Agency(ies)WIDNR
Incident Time
Incident Duration
Incident Report Produced
Information SourcesWI Dam Safety
Attachments