Lost Leg

Lost Leg is an earth dam located in Rosebud County, Montana, built in 1968. It carries a Low hazard potential classification.

About Lost Leg

The primary purpose of Lost Leg is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Clinton Clark (private). It impounds the Tr-tongue River near Rosebud.

The dam stands 32 feet tall and stretches 240 feet across, has a maximum storage capacity of 47 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, the structure is well into its service life at over 50 years 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.

At 32 feet, this dam is taller than 76% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyRosebud
Nearest CityRosebud
River/StreamTr-tongue River
Coordinates45.52100, -106.54900

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length240 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage47 acre-ft
Max Storage47 acre-ft
Normal Storage25 acre-ft
Drainage Area0 sq mi
Max Discharge200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerCLINTON CLARK
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDMT01932
Federal IDMT01932
More InfoState Dam Safety Program