W Miller #1

W Miller #1 is an earth dam located in McCone County, Montana, built in 1952. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height18 ft
Built195274 years ago

Dam profile

NID height · 18 ft
18 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

18 ft tall and 500 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 W Miller #1

The primary purpose of W Miller #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 Melvin P Johnson (private). It impounds the Tr-redwater River near Poplar.

The dam stands 18 feet tall and stretches 500 feet across, has a maximum storage capacity of 92 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1952, 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
CountyMcCone
Nearest CityPoplar
River/StreamTr-redwater River
Coordinates48.01490, -105.36520

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length500 ft
Year Completed1952 (74 years old)

Storage & Hydraulics

NID Storage92 acre-ft
Max Storage92 acre-ft
Normal Storage28 acre-ft
Drainage Area1 sq mi
Max Discharge500 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerMelvin P Johnson
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT02494
Federal IDMT02494
More InfoState Dam Safety Program