Jo is an earth dam located in Fergus County, Montana, built in 1962. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height30 ft
Built196264 years ago

Dam profile

NID height · 30 ft
30 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

30 ft tall and 300 ft long, taller than 68% 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 Jo

The primary purpose of Jo 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 Katzman Cattle Co (private). It impounds the Tr-cutbank Creek.

The dam stands 30 feet tall and stretches 300 feet across, and has a maximum storage capacity of 66 acre-feet. Completed in 1962, 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.

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Location

StateMontana
CountyFergus
Nearest CityNone
River/StreamTr-cutbank Creek
Coordinates47.60910, -109.32810

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length300 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage66 acre-ft
Max Storage66 acre-ft
Normal Storage43 acre-ft

Ownership & Safety

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

Identifiers

NID IDMT02852
Federal IDMT02852
More InfoState Dam Safety Program