Gull Wing Detention Dam

Low HazardUnsatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyPhillips
Nearest CityFORT PECK
River/StreamSEVEN MILE CK./MISSOURI RIVER
Coordinates47.72078, -108.45992

Physical Characteristics

Dam TypeGravity
NID Height27 ft
Dam Length1,084 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage476 acre-ft
Max Storage476 acre-ft
Surface Area51 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDMT00725
Federal IDMT00725
More InfoState Dam Safety Program

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