Square Butte Detention Dam

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyPhillips
Nearest CityFORT PECK
River/StreamROCK CK./MISSOURI RIVER
Coordinates47.73313, -108.59174

Physical Characteristics

Dam TypeGravity
NID Height42 ft
Dam Length455 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage396 acre-ft
Max Storage396 acre-ft
Surface Area26 acres
Drainage Area6 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerDOI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection08/15/2016
Emergency Action PlanNot Required

Identifiers

NID IDMT02699
Federal IDMT02699
More InfoState Dam Safety Program

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