Canyon Ferry Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateMontana
CountyLewis and Clark
Nearest CityCANYON FERRY
River/StreamMISSOURI RIVER
Coordinates46.64860, -111.72810

Physical Characteristics

Dam TypeConcrete
NID Height225 ft
Dam Height225 ft
Dam Length1,000 ft
Year Completed1954 (72 years old)

Storage & Hydraulics

NID Storage2,051,000 acre-ft
Max Storage2,051,000 acre-ft
Normal Storage1,947,000 acre-ft
Surface Area34,435 acres
Drainage Area15,904 sq mi
Max Discharge150,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerBUREAU OF RECLAMATION
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection09/08/2020
Emergency Action PlanYes

Identifiers

NID IDMT00568
Federal IDMT00568
More InfoState Dam Safety Program

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