KATY LAKE DAM - MO11048-168

Dam Name: KATY LAKE DAM
State: MO
Downstream Hazard Potential: H
Incident Type: Failure
Incident Date: 01/01/2008
Incident Driver: Seepage/Internal Erosion
Incident Mechanism 1: Piping
Incident Mechanism 2
Incident Mechanism 3
Incident IDMO11048-168
Incident Description
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
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 UpdatesSmall sinkhole developed on downstream face of dam approximately 10 feet vertically below crest of dam. Sinkhole approximately 5 feet in diameter and 4 feet deep. Sinkhole may be result of seepage through old root tunnels. REPORTED APRIL 29, 2008
Owner TypeP
Dam TypeRE
Primary Purpose(s)SICR
EAPY
Dam Height45 ft
Max Storage (ac-ft)273.00
Surface Area (acres)14.00
Year Completed1905
NID NumberMO11048
River NameEWING CREEK
Latitude38.6985
Longitude-91.888
Year Modified

1987

Regulatory Agency(ies)DAM AND RESERVOIR SAFETY PROG
Incident Time
Incident Duration
Incident Report Produced
Information Sources
Attachments