D Hannaland #1

D Hannaland #1 is an earth dam located in McCone County, Montana, built in 1959. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height20 ft
Built195967 years ago

Dam profile

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

20 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 D Hannaland #1

The primary purpose of D Hannaland #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 Daniel Hannaland (private). It impounds the Tr-timber Creek.

The dam stands 20 feet tall and stretches 400 feet across, and has a maximum storage capacity of 62 acre-feet. Completed in 1959, 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 CityNone
River/StreamTr-timber Creek
Coordinates47.45840, -106.18280

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length400 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage62 acre-ft
Max Storage62 acre-ft
Normal Storage32 acre-ft

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerDaniel Hannaland
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT02986
Federal IDMT02986
More InfoState Dam Safety Program