Panasuk Dam

Panasuk Dam is an earth dam located in Roosevelt County, Montana. It carries a Significant hazard potential classification.

About Panasuk Dam

The primary purpose of Panasuk Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by State Of Montana, D.o.t. (state). It impounds the Tr-little Muddy.

The dam stands 57 feet tall, and has a maximum storage capacity of 1,259 acre-feet.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.

At 57 feet, this dam is taller than 95% of all dams in the United States.

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Significant Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyRoosevelt
River/StreamTr-little Muddy
Coordinates48.14020, -104.06460

Physical Characteristics

Dam TypeEarth
NID Height57 ft
Dam Height57 ft

Storage & Hydraulics

NID Storage1,259 acre-ft
Max Storage1,259 acre-ft
Normal Storage47 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerSTATE OF MONTANA, D.O.T.
Owner TypeState
Hazard ClassificationSignificant
Emergency Action PlanNot Required

Identifiers

NID IDMT03857
Federal IDMT03857
More InfoState Dam Safety Program

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