LAKE MONROE DAM - VA099006-3545
Dam Name: LAKE MONROE DAM
State: VA
Downstream Hazard Potential: H
Incident Type: Failure
Incident Date: 01/05/2022
Incident Driver: Deterioration or Poor Condition
Incident Mechanism 1: Spillway Riser Failure
Incident Mechanism 2
Incident Mechanism 3
Incident IDVA099006-3545
Incident DescriptionPipe Collapse: Around 10:30 AM the water level began declining at the dam and a stake was place around 1:30 PM. It was determined that the elbow in the riser pipe likely ruptured around 36' below normal pool. Flows between 2/3 and full diameter were observed coming out of the outfall pipe. Five households were evacuated. Road below dam was coned off and dam downstream was notified.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)0
Number of People EvacuatedUnknown
Number of Habitable Structures Evacuated5
Number of Habitable Structures Flooded0
Other Infrastructure Impacts
Economic Damages (in $)
ResponseFive households were evacuated. Road below dam was coned off and dam downstream was notified.
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeP
Dam TypeRE
Primary Purpose(s)R
EAPY
Dam Height41 ft
Max Storage (ac-ft)607.00
Surface Area (acres)25.00
Year Completed
NID NumberVA099006
River NameTR-KEYS RUN
Latitude38.2694
Longitude-77.2068
Year Modified
Regulatory Agency(ies)DEPARTMENT OF CONSERVATION AND RECREATION
Incident Time10:30
Incident Duration
Incident Report ProducedUnknown
Information Sources
