LAKE REDSTONE - WI00707-2853

Dam Name: LAKE REDSTONE
State: WI
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 12/07/2015
Incident Driver: Structural Stability
Incident Mechanism 1: Cracking
Incident Mechanism 2
Incident Mechanism 3
Incident IDWI00707-2853
Incident Description
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or UpdatesRec'd call from local resident about fracture in bedrock at vertical face at principal spillway (see photos). Appears that boulder could break off face. No immediate concerns to dam noted. Recommended Sauk Cnty continue to monitor and will need to reinspect if/when boulder breaks off. See follow-up inspection report. NRCS did conductivity resistance testing in channel from lake to spillway (still awaiting results).
Owner TypeL
Dam TypePGRE
Primary Purpose(s)R
EAPY
Dam Height50 ft
Max Storage (ac-ft)15200.00
Surface Area (acres)612.00
Year Completed1967
NID NumberWI00707
River NameBIG CREEK
Latitude43.5867
Longitude-90.0871
Year Modified
Regulatory Agency(ies)WIDNR
Incident Time
Incident Duration
Incident Report Produced
Information SourcesWI DNR
Attachments