J R Scott #9

J R Scott #9 is an earth dam located in Big Horn County, Montana, built in 1956. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height15 ft
Built195670 years ago

Dam profile

NID height · 15 ft
15 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

15 ft tall and 400 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 J R Scott #9

The primary purpose of J R Scott #9 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 First Continental Corp (private). It impounds the Tr-fly Creek near Pompeys Pillar.

The dam stands 15 feet tall and stretches 400 feet across, and has a maximum storage capacity of 387 acre-feet. Completed in 1956, 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
CountyBig Horn
Nearest CityPompeys Pillar
River/StreamTr-fly Creek
Coordinates45.64320, -107.98190

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length400 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage387 acre-ft
Max Storage387 acre-ft
Normal Storage153 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerFirst Continental Corp
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT01779
Federal IDMT01779
More InfoState Dam Safety Program