Bob #6 is an earth dam located in Garfield County, Montana, built in 1954. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height20 ft
Built195472 years ago

Dam profile

NID height · 20 ft
20 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

20 ft tall and 160 ft long. 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 Bob #6

The primary purpose of Bob #6 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 Smith Ranch Co (private). It impounds the Tr-lone Tree Creek near Cohagen.

The dam stands 20 feet tall and stretches 160 feet across, and has a maximum storage capacity of 124 acre-feet. Completed in 1954, 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.

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

Location

StateMontana
CountyGarfield
Nearest CityCohagen
River/StreamTr-lone Tree Creek
Coordinates46.91200, -106.60260

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length160 ft
Year Completed1954 (72 years old)

Storage & Hydraulics

NID Storage124 acre-ft
Max Storage124 acre-ft
Normal Storage63 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerSmith Ranch Co
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT02282
Federal IDMT02282
More InfoState Dam Safety Program