LAKE ELMDALE DAM - AR00290-3367
Dam Name: LAKE ELMDALE DAM
State: AR
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 04/29/2017
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Spillway Erosion/Head Cutting
Incident Mechanism 2Erosion
Incident Mechanism 3
Incident IDAR00290-3367
Incident DescriptionThe Lake Elmdale auxiliary spillway 2 experienced significant headcutting and erosion.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsOther
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or UpdatesLarge cobbles, boulders, rocks, and sediment were washed downstream onto landowners. Lake Elmdale's watershed has seen a 90% development since construction, increasing both runnoff and time of concentration. The dam currently has a primary spillway for normal pool, and three axuiliary spillways.
Owner TypeS
Dam TypeRE
Primary Purpose(s)R
EAPN
Dam Height46 ft
Max Storage (ac-ft)2050.00
Surface Area (acres)125.00
Year Completed1952
NID NumberAR00290
River NameBUSH CREEK
Latitude36.1983
Longitude-94.2183
Year Modified
Regulatory Agency(ies)ANRC
Incident Time
Incident Duration
Incident Report ProducedNo
Information SourcesAR Dam Safety
