ERICSON DAM - NE00274-1223
Dam Name: ERICSON DAM
State: NE
Downstream Hazard Potential: L
Incident Type: Failure
Incident Date: 06/13/2010
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Spillway Erosion/Head Cutting
Incident Mechanism 2
Incident Mechanism 3
Incident IDNE00274-1223
Incident DescriptionBreached through the emer spwy. The emer spwy was redesigned and modified in 2003. Once the topsoil was removed, the underlying soil was mostly sand. It took about 3 hours for the headcut to advance all the way upstream through the emer spwy.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)
Number of People Evacuated0
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded0
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)750
Additional Remarks or UpdatesAt least ten county road bridges were damaged or washed away. A two-lane U.S. Highway was overtopped for awhile but was not damaged.
Owner TypeP
Dam TypeRE
Primary Purpose(s)C
EAPNR
Dam Height35 ft
Max Storage (ac-ft)968.00
Surface Area (acres)123.00
Year Completed1916
NID NumberNE00274
River NameCEDAR RIVER
Latitude41.7584
Longitude-98.6529
Year Modified
2004
Regulatory Agency(ies)NE DNR
Incident Time
Incident Duration
Incident Report Produced
Information Sources
