CONOWINGO - MD00097-3508
Dam Name: CONOWINGO
State: MD
Downstream Hazard Potential: H
Incident Type: Non-Failure
Incident Date: 01/19/1996
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: High Reservoir Level
Incident Mechanism 2Debris Clogging
Incident Mechanism 3
Incident IDMD00097-3508
Incident DescriptionDifficult operation due to rapid runoff (rain on snow) and ice jams.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentYes
Fatalities (Number)
Number of People Evacuated
Number of Habitable Structures Evacuated
Number of Habitable Structures Flooded
Other Infrastructure Impacts
Economic Damages (in $)
ResponseEAP activated for the first time in 60 years of operation since reservoir level couldn't be controlled.
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeU
Dam TypeCNPG
Primary Purpose(s)HRS
EAPY
Dam Height94 ft
Max Storage (ac-ft)310000.00
Surface Area (acres)8563.00
Year Completed1928
NID NumberMD00097
River NameSUSQUEHANNA RIVER
Latitude39.661
Longitude-76.1735
Year Modified
1978
Regulatory Agency(ies)MD DAM SAFETY
Incident Time
Incident Duration
Incident Report ProducedYes
Information SourcesASDSO Decade Dam Series