TILDEN - WI00341-3417
Dam Name: TILDEN
State: WI
Downstream Hazard Potential: L
Incident Type: Non-Failure
Incident Date: 04/18/2019
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Spillway Deficiency
Incident Mechanism 2Erosion
Incident Mechanism 3Debris Clogging
Incident IDWI00341-3417
Incident DescriptionYears ago, owner constructed a 2-3 ft high concrete section on top of spillway w/o state approval. Concrete section failed plus erosion of right abument.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsOther
Economic Damages (in $)Unknown
ResponseDam safety staff notified by local enforcement and DNR conservation warden. Contacted owner to monitor and further activate EAP if needed.
Volume released at failure (ac-ft)
Additional Remarks or UpdatesPartial failure caused flooding and damaged structures in a downstream campground.
Owner TypeP
Dam TypePGRE
Primary Purpose(s)HR
EAPN
Dam Height16 ft
Max Storage (ac-ft)250.00
Surface Area (acres)61.00
Year Completed1886
NID NumberWI00341
River NameDUNCAN CREEK
Latitude44.9868
Longitude-91.4184
Year Modified
1913
Regulatory Agency(ies)WIDNR
Incident Time
Incident Duration1 day
Incident Report ProducedNo
Information SourcesWI Dam Safety
