Lars is an earth dam located in Chouteau County, Montana, built in 1950. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height66 ft
Built195076 years ago

Dam profile

NID height · 66 ft
66 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

66 ft tall and 580 ft long, taller than 96% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.

About Lars

The primary purpose of Lars is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by C 5 Ranch Corp (private). It impounds the Huntley Coulee near Floweree.

The dam stands 66 feet tall and stretches 580 feet across, and has a maximum storage capacity of 18 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.

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.

At 66 feet, this dam is taller than 96% of all dams in the United States.

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Location

StateMontana
CountyChouteau
Nearest CityFloweree
River/StreamHuntley Coulee
Coordinates47.71890, -111.04850

Physical Characteristics

Dam TypeEarth
NID Height66 ft
Dam Height66 ft
Dam Length580 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage18 acre-ft
Max Storage18 acre-ft
Normal Storage18 acre-ft

Ownership & Safety

PurposeIrrigation
OwnerC 5 Ranch Corp
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT03680
Federal IDMT03680
More InfoState Dam Safety Program