Jonas #6

Jonas #6 is an earth dam located in Dawson County, Montana, built in 1968. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height20 ft
Built196858 years ago

Dam profile

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

20 ft tall and 150 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 Jonas #6

The primary purpose of Jonas #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 Helen M Botch (private). It impounds the Tr-glendive Creek near Intake.

The dam stands 20 feet tall and stretches 150 feet across, and has a maximum storage capacity of 269 acre-feet. 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.

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Location

StateMontana
CountyDawson
Nearest CityIntake
River/StreamTr-glendive Creek
Coordinates46.88450, -104.49300

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length150 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage269 acre-ft
Max Storage269 acre-ft
Normal Storage92 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerHelen M Botch
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT02439
Federal IDMT02439
More InfoState Dam Safety Program