Essinger Reservoir

Essinger Reservoir is an earth dam located in McCone County, Montana, built in 1936. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height15 ft
Built193690 years ago

Dam profile

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

15 ft tall and 300 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 Essinger Reservoir

The primary purpose of Essinger Reservoir 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 Roger K Eissinger (private). It impounds the Cotter Creek near Brockway.

The dam stands 15 feet tall and stretches 300 feet across, and has a maximum storage capacity of 71 acre-feet. Completed in 1936, 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
CountyMcCone
Nearest CityBrockway
River/StreamCotter Creek
Coordinates47.33420, -105.80890

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length300 ft
Year Completed1936 (90 years old)

Storage & Hydraulics

NID Storage71 acre-ft
Max Storage71 acre-ft
Normal Storage24 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerRoger K Eissinger
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT00983
Federal IDMT00983
More InfoState Dam Safety Program