LAKE MONROE DAM - VA099006-3545


Incident ID VA099006-3545
Dam Name LAKE MONROE DAM
Downstream Hazard Potential H
State VA
Incident Date 01/05/2022
Incident Type Failure
Incident Driver Deterioration Or Poor Condition
Incident Mechanism 1 Spillway Riser Failure
Incident Mechanism 2
Incident Mechanism 3
Incident Description Pipe 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 Incident Yes
Fatalities (Number) 0
Number of People Evacuated Unknown
Number of Habitable Structures Evacuated 5
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts
Economic Damages (in $)
Volume released at failure (ac-ft)
Response Five households were evacuated.  Road below dam was coned off and dam downstream was notified.
Additional Remarks or Updates
Incident Time 10:30
Incident Duration
Incident Report Produced Unknown
Information Sources
Owner Type P
Dam Type RE
Primary Purpose(s) R
EAP Y
Year Completed 0
Year Modified 0
Dam Height 40 ft
Max Storage (ac-ft) 607 ac-ft
Surface Area (acres) 25 acres
River Name TR-KEYS RUN
Latitude 38.2694
Longitude -77.2068
Regulatory Agency(ies) DEPARTMENT OF CONSERVATION AND RECREATION
NID Number VA099006
Attachments