ELM LAKE DAM - SD00328-3437
Dam Name: ELM LAKE DAM
State: SD
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 07/24/2020
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Spillway Chute Failure
Incident Mechanism 2Erosion
Incident Mechanism 3
Incident IDSD00328-3437
Incident DescriptionChute spillway damaged during heavy flow.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People EvacuatedUnknown
Number of Habitable Structures EvacuatedUnknown
Number of Habitable Structures FloodedUnknown
Other Infrastructure Impacts
Economic Damages (in $)
Response
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeS
Dam TypeRE
Primary Purpose(s)RS
EAPY
Dam Height52 ft
Max Storage (ac-ft)28800.00
Surface Area (acres)1150.00
Year Completed1937
NID NumberSD00328
River NameELM RIVER
Latitude45.855
Longitude-98.705
Year Modified
2000
Regulatory Agency(ies)DENR
Incident Time
Incident Duration
Incident Report ProducedYes
Information SourcesDENR
