Halfpint Detention Dam

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyValley
Nearest CityNASHUA
River/StreamWILLOW CK./MILK RIVER
Coordinates47.87741, -107.12054

Physical Characteristics

Dam TypeGravity
NID Height32 ft
Dam Length1,005 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage275 acre-ft
Max Storage275 acre-ft
Surface Area59 acres
Drainage Area16 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerDOI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection12/02/2019
Emergency Action PlanNot Required

Identifiers

NID IDMT00675
Federal IDMT00675
More InfoState Dam Safety Program

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