Paint Rock #1

Paint Rock #1 is an earth dam located in Golden Valley County, Montana, built in 1972. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height20 ft
Built197254 years ago

Dam profile

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

20 ft tall and 200 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 Paint Rock #1

The primary purpose of Paint Rock #1 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 Paint Rock Angus Ranch Inc (private). It impounds the Twin Coulee near Roundup.

The dam stands 20 feet tall and stretches 200 feet across, and has a maximum storage capacity of 122 acre-feet. Completed in 1972, 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
CountyGolden Valley
Nearest CityRoundup
River/StreamTwin Coulee
Coordinates46.50620, -109.14590

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length200 ft
Year Completed1972 (54 years old)

Storage & Hydraulics

NID Storage122 acre-ft
Max Storage122 acre-ft
Normal Storage62 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerPaint Rock Angus Ranch Inc
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT02644
Federal IDMT02644
More InfoState Dam Safety Program