Mcnab Dam

Montana, Valley County

Location

StateMontana
CountyValley
Coordinates48.32476, -107.21286

Physical Characteristics

NID Height39 ft
Dam Height-
Dam Length396 ft
NID Storage172 acre-ft
Max Storage172 acre-ft
Surface Area11 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentUnsatisfactory
EAP StatusNot Required
Last InspectionAugust 18, 2016
Inspection Frequency5

Dam Information

Year Completed2003
Primary Purpose-
Dam TypeGravity
Owner TypeFederal
OwnerDOI BLM

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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