Kerns (rosebud)

Kerns (rosebud) is an earth dam located in Rosebud County, Montana, built in 1960. It carries a Significant hazard potential classification.

Hazard potentialSignificantFailure could cause major damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height25 ft
Built196066 years ago

Dam profile

NID height · 25 ft
25 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

25 ft tall and 1,025 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Kerns (rosebud)

The primary purpose of Kerns (rosebud) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jack Galt (private). It impounds the Tr-east Blacktail Creek near Forsyth.

The dam stands 25 feet tall and stretches 1,025 feet across, has a maximum storage capacity of 1,114 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.

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.

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Location

StateMontana
CountyRosebud
Nearest CityForsyth
River/StreamTr-east Blacktail Creek
Coordinates46.63520, -107.03700

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length1,025 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage1,114 acre-ft
Max Storage1,114 acre-ft
Normal Storage489 acre-ft
Drainage Area14 sq mi
Max Discharge450 cfs

Ownership & Safety

PurposeIrrigation
OwnerJack Galt
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT00129
Federal IDMT00129
More InfoState Dam Safety Program