LAKE DELHI DAM - IA01297-600
Dam Name: LAKE DELHI DAM
State: IA
Downstream Hazard Potential: S
Incident Type: Failure
Incident Date: 07/25/2010
Incident Driver: Unknown
Incident Mechanism 1: Under Investigation
Incident Mechanism 2
Incident Mechanism 3
Incident IDIA01297-600
Incident DescriptionHeavy rain in the area caused the dam to overtop and fail. The dam had three gates at least one of which was not operating properly and only partially open at the time of the flood.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)
Number of People Evacuated900
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded1100
Other Infrastructure ImpactsNone
Economic Damages (in $)
Response
Volume released at failure (ac-ft)9930
Additional Remarks or UpdatesNID indicates that the dam did not have an EAP.
Owner TypeP
Dam TypePG
Primary Purpose(s)R
EAPNR
Dam Height55 ft
Max Storage (ac-ft)9920.00
Surface Area (acres)440.00
Year Completed1922
NID NumberIA01297
River NameMAQUOKETA RIVER
Latitude42.4081
Longitude-91.3454
Year Modified
Regulatory Agency(ies)IOWA DNR
Incident Time12:00 AM
Incident Duration
Incident Report Produced
Information Sources
