Aster

Aster is an earth dam located in Toole County, Montana, built in 1920. It carries a Low hazard potential classification.

About Aster

The primary purpose of Aster is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by State Of Montana, D.n.r.c., T.l.m.d. (state). It impounds the Willow Creek near Galata.

The dam stands 7 feet tall and stretches 330 feet across, and has a maximum storage capacity of 95 acre-feet. Completed in 1920, the structure is over a century old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyToole
Nearest CityGalata
River/StreamWillow Creek
Coordinates48.72780, -111.49640

Physical Characteristics

Dam TypeEarth
NID Height7 ft
Dam Height7 ft
Dam Length330 ft
Year Completed1920 (106 years old)

Storage & Hydraulics

NID Storage95 acre-ft
Max Storage95 acre-ft
Normal Storage25 acre-ft

Ownership & Safety

PurposeIrrigation
OwnerSTATE OF MONTANA, D.N.R.C., T.L.M.D.
Owner TypeState
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDMT03675
Federal IDMT03675
More InfoState Dam Safety Program

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