LINN GROVE MILLDAM - IA01308-3244
Incident ID IA01308-3244
Dam Name LINN GROVE MILLDAM
Downstream Hazard Potential L
State IA
Incident Date 04/22/2019
Incident Type Failure
Incident Driver Hydrologic/flooding
Incident Mechanism 1 Overtopping
Incident Mechanism 2
Incident Mechanism 3
Incident Description Low Head Dam. Flood event cause overtopping and breaching in two locations of the abutment area.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
Fatalities (Number) 0
Number of People Evacuated 0
Number of Habitable Structures Evacuated 0
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts None
Economic Damages (in $) None
Volume released at failure (ac-ft)
Response
Additional Remarks or Updates
Incident Time
Incident Duration
Incident Report Produced
Information Sources IA DNR
Owner Type L
Dam Type PG
Primary Purpose(s) R
EAP NR
Year Completed 1924
Year Modified 0
Dam Height 9 ft
Max Storage (ac-ft) 416 ac-ft
Surface Area (acres) 90 acres
River Name LITTLE SIOUX RIVER
Latitude 42.8956
Longitude -95.2448
Regulatory Agency(ies) IOWA DNR
NID Number IA01308
Attachments
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