Volvo Hagerstown Swm - MD00581-3433


Incident ID MD00581-3433
Dam Name Volvo Hagerstown Swm
Downstream Hazard Potential S
State MD
Incident Date 09/01/2021
Incident Type Non-failure
Incident Driver Hydrologic/flooding
Incident Mechanism 1 Debris Clogging
Incident Mechanism 2 Insufficient Spillway Capacity
Incident Mechanism 3 Overtopping
Incident Description Undersized spillway, partially plugged, resulted in minor overtopping and emergency response
Named Hydrologic Event Hurricane Ida
EAP Enacted (Y/N) due to Incident Yes
Fatalities (Number) 0
Number of People Evacuated Unknown
Number of Habitable Structures Evacuated 1
Number of Habitable Structures Flooded 0
Other Infrastructure Impacts
Economic Damages (in $) Unknown
Volume released at failure (ac-ft)
Response Emergency pumping and partial removal of riser to clear blockage
Additional Remarks or Updates
Incident Time 4:51 PM
Incident Duration
Incident Report Produced Yes
Information Sources MD Dam Safety
Owner Type P
Dam Type RE
Primary Purpose(s) C
EAP Y
Year Completed 1961
Year Modified 0
Dam Height 10 ft
Max Storage (ac-ft) 48 ac-ft
Surface Area (acres) 0 acres
River Name Antietam Creek-TR
Latitude 39.675
Longitude -77.723
Regulatory Agency(ies) MD Dam Safety
NID Number MD00581
Attachments