Glasscock Reservoir #2

Glasscock Reservoir #2 is an earth dam located in Garfield County, Montana, built in 1937. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height20 ft
Built193789 years ago

Dam profile

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

20 ft tall and 523 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 Glasscock Reservoir #2

The primary purpose of Glasscock Reservoir #2 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 J D Glasscock (private). It impounds the Frozen Dog Coulee near No Town.

The dam stands 20 feet tall and stretches 523 feet across, and has a maximum storage capacity of 74 acre-feet. Completed in 1937, the structure is well-established, with more than 75 years of service.

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
CountyGarfield
Nearest CityNo Town
River/StreamFrozen Dog Coulee
Coordinates46.95260, -106.25560

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length523 ft
Year Completed1937 (89 years old)

Storage & Hydraulics

NID Storage74 acre-ft
Max Storage74 acre-ft
Normal Storage45 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerJ D Glasscock
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT00465
Federal IDMT00465
More InfoState Dam Safety Program