Frenchman Dam

Significant Hazard ConditionEmergency Action Plan: Yes

Location

StateMontana
CountyPhillips
Nearest CitySaco
River/StreamFRENCHMAN CREEK
Coordinates48.95878, -107.22470

Physical Characteristics

Dam TypeEarth
NID Height63 ft
Dam Height63 ft
Dam Length2,100 ft
Year Completed1953 (73 years old)

Storage & Hydraulics

NID Storage13,540 acre-ft
Max Storage13,540 acre-ft
Normal Storage3,752 acre-ft
Surface Area800 acres
Drainage Area2,460 sq mi
Max Discharge36,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerSTATE WATER PROJECTS
Owner TypeState
Hazard ClassificationSignificant
Last Inspection10/17/2022
Emergency Action PlanYes

Identifiers

NID IDMT00003
Federal IDMT00003
More InfoState Dam Safety Program

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