MONTELLO - WI01015-3503
Dam Name: MONTELLO
State: WI
Downstream Hazard Potential: L
Incident Type: Non-Failure
Incident Date: 10/13/2021
Incident Driver: Structural Stability
Incident Mechanism 1: Erosion
Incident Mechanism 2Foundation Deficiency
Incident Mechanism 3Settlement
Incident IDWI01015-3503
Incident DescriptionTraining wall downstream of gates consisting of dry-laid stone blocks exhibiting settlement.
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 ImpactsNone
Economic Damages (in $)None
ResponseOwner reduced flow through gates; DNR issued order for repair.
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeS
Dam TypeOTPG
Primary Purpose(s)O
EAPY
Dam Height13 ft
Max Storage (ac-ft)19000.00
Surface Area (acres)2210.00
Year Completed1922
NID NumberWI01015
River NameFOX
Latitude43.7857
Longitude-89.3287
Year Modified
Regulatory Agency(ies)WIDNR
Incident Time
Incident Duration1 day
Incident Report ProducedYes
Information SourcesWIDNR
