KEYSTONE WOODS LAKE DAM - IN00485-2564

Dam Name: KEYSTONE WOODS LAKE DAM
State: IN
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 03/31/2015
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Spillway Pipe Failure
Incident Mechanism 2Sinkhole
Incident Mechanism 3
Incident IDIN00485-2564
Incident DescriptionActively growing sinkhole (about 3 by 5 feet in area, and about 5 feet deep) in the dam. A field visit confirmed the sinkhole had formed over the noticeably deteriorated 36¿ corrugated metal principal spillway pipe.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
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Owner TypeP
Dam TypeRE
Primary Purpose(s)R
EAPN
Dam Height22 ft
Max Storage (ac-ft)179.00
Surface Area (acres)7.00
Year Completed1973
NID NumberIN00485
River NameUNNAMED TRIBUTARY BLUE WOODS CREEK
Latitude39.9464
Longitude-86.1056
Year Modified
Regulatory Agency(ies)IDNR
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