CONOWINGO - MD00097-3508


Incident ID MD00097-3508
Dam Name CONOWINGO
Downstream Hazard Potential H
State MD
Incident Date 01/19/1996
Incident Type Non-failure
Incident Driver Hydrologic/flooding
Incident Mechanism 1 High Reservoir Level
Incident Mechanism 2 Debris Clogging
Incident Mechanism 3
Incident Description Difficult operation due to rapid runoff (rain on snow) and ice jams.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident Yes
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
Volume released at failure (ac-ft)
Response EAP activated for the first time in 60 years of operation since reservoir level couldn't be controlled.
Additional Remarks or Updates
Incident Time
Incident Duration
Incident Report Produced Yes
Information Sources ASDSO Decade Dam Series
Owner Type U
Dam Type CNPG
Primary Purpose(s) HRS
EAP Y
Year Completed 1928
Year Modified 1978
Dam Height 94 ft
Max Storage (ac-ft) 310000 ac-ft
Surface Area (acres) 8563 acres
River Name SUSQUEHANNA RIVER
Latitude 39.661
Longitude -76.1735
Regulatory Agency(ies) MD DAM SAFETY
NID Number MD00097
Attachments