Dam Incident Consequences for Conowingo
Dam Name Conowingo  
Dam Incident View Full Incident Details  
Event Date 1996-01-20  
Country United States  
State/Province Maryland  
Dam Type Concrete Gravity  
Dam Height (m) 94.0  
Geographic Coordinates 39.6610, -76.1735  
Normal Reservoir Storage (cu. m)  
Reservoir Volume Released (cu. m)  
Distance to Nearest City (km)  
Population at Risk  
Description of Population at Risk  
Time of Failure  
Incident Type Inflow Flood - Hydrologic Event  
Uncontrolled Release of the Reservoir No  
Failure Detection Method  
Warning Provided  
Warning Description  
Response to Warning  
Flood Description  
Additional Notes  
* Fatalities
Fatalities from Dam Failure
Total Fatalities
0
Dam Owner Fatalities
Other Fatalities
Fatality Description
Distance to Nearest Fatality (km)
Distance to Farthest Fatality (km)
 
* Injuries
Total Injuries
0
Injuries from Dam Failure
Dam Owner Injuries
Other Injuries
Description of Injuries
 
* Emergency Response Costs
Total Emergency Costs
Onsite Medical Cost
Onsite Emergency Aid Description
Direct Med Treatment Cost
Direct Med Treatment Description
Direct Disease Cost
Direct Disability Cost
Indirect Medical/Disease/Disability Description
Indirect Medical Treatment Cost
Indirect Disease Cost
Indirect Disability Cost
Emergency Evacuation Cost
Other Onsite Services Description
Other Onsite Services Cost
No. of People Requiring Temporary Housing
Temporary Housing Cost
Temporary Housing Description
Financial Aid Description
Value Grants Provided
Low Interest Loans/Other Subsidies Value
Mitigation Analysis Cost
Mitigation Analysis Studies Description
 
* Economic Loss
Total Economic Loss
Total Economic Loss Description
Total Economic Loss Owner
Owner Economic Loss Description
 
* Property Damage
Property Damage Dam Owner Description
Cost Property Damage Dam
Damage Appurtenant Structures Cost
Damage Appurtenant Structures Description
Damage Dam Owner Structures Other Cost
Damage Dam Owner Structures Other Description
Property Damage Private Residential Cost
Privately Owned Structures In Floodway Description
Property Damage Private Commercial/Institutional Cost
Property Damage Private Farm Structures Equipment Cost
Property Damage Private Manufacturing Cost
Private Property Damage Other Cost
Damage Government Structures Cost
Damage Government Structures Description
Value of Public Utility Structures/Equipment
Public Utility Structures Equipment Description
Value of Damage Cropland Orchards
Damaged Cropland/Orchards Description
Damaged Lawns/Gardens Value
Damaged Lawns/Gardens Description
Value of Damage to Woodlands
Damaged Woodlands Description
Other Damaged Tangible Property Value
Other Damaged Tangible Property Description
Lost Residences Value
Lost Residences Description
Property Damage Notes
Conowingo opened 42 of 50 gates to pass flood which resulted in flooding in Port Deposit, Maryland. Property damage to nearby town from flood flows.
 
* Lost Services and Activities
Lost Downstream Local Service Activities Value
Lost Reservoir Local Service Activities Value
Lost Downstream Reservoir Local Service Activities Description
Lost Downstream Local Manufacturing/Processing Value
Lost Downstream Reservoir Local Manufacturing/Processing Description
Lost Reservoir Local Manufacturing/Processing Value
Downstream Lost Recreation Activities Value
Downstream Reservoir Lost Recreation Activities Description
Reservoir Lost Recreation Activities Value
Lost Municipal Industrial Irrigation/Water Supply Value
Lost Municipal Industrial Irrigation/Water Supply Description
Lost Irrigation Water Supply Value
Lost Transportation Activities Value
Lost Transportation Activities Description
Lost Agricultural Value
Lost Agricultural Harvesting Activities Description
Lost Commercial Fishing Value
Lost Commercial Hunting/Trapping Value
Lost Mining Value
Lost Hydroelectric Generation Value
Lost Hydroelectric Generation Description
 
* Environmental Effects
Direct Environmental Effects - Fish/Wildlife
Direct Environmental Effects - Erosion/Sediment
Direct Environmental Effects - Loss of Habitat
Direct Environmental Effects - Visual Impact
Direct Environmental Effects - Deforestation
Direct Environmental Effects - Toxic Substances
Direct Environmental Effects - Other
Induced Environmental Effects - Food Chain
Induced Environmental Effects - Generation of Replacement Energy
Induced Environmental Effects - Other
 
* Cultural/Historical Effects
Archaeological Effects Description
Historical Effects Description
Cultural Effects Description
 
Back to list
Data Source Documents

(no reference documents available)
View All Documents Related to This Incident