Columbia Gateway Dam

Maryland, Howard County, Dorsey Run-TR

Location

StateMaryland
CountyHoward
RiverDorsey Run-TR
Coordinates39.17050, -76.80940

Physical Characteristics

NID Height36 ft
Dam Height36 ft
Dam Length1,600 ft
NID Storage313 acre-ft
Max Storage313 acre-ft
Surface Area9 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentFair
EAP StatusYes
Last InspectionMay 2, 2024
Inspection Frequency-

Dam Information

Year Completed1972
Primary PurposeFlood Risk Reduction
Dam TypeEarth
Owner TypePrivate
OwnerHoward Research & Development Corporation
Other NameGeneral Electric Appliance Park East (Geape) Basin No. 3;General Electric Retention Pond

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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