Lake Thibadeau Dam

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyHill
River/StreamROCK COULEE-TR
Coordinates48.75667, -109.60166

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length380 ft
Year Completed1938 (88 years old)

Storage & Hydraulics

NID Storage4,445 acre-ft
Max Storage4,445 acre-ft
Normal Storage3,182 acre-ft
Surface Area235 acres
Drainage Area2 sq mi
Max Discharge277 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFish and Wildlife Pond
OwnerUS FISH AND WILDLIFE SERVICE
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection09/23/2020
Emergency Action PlanNot Required

Identifiers

NID IDMT00283
Federal IDMT00283
More InfoState Dam Safety Program

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