Gerdts is an earth dam located in Golden Valley County, Montana, built in 1940. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height25 ft
Built194086 years ago

Dam profile

NID height · 25 ft
25 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

25 ft tall and 250 ft long, taller than 50% of U.S. dams with a recorded height. 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 Gerdts

The primary purpose of Gerdts 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 John H Gerdts (private). It impounds the Tr-fivemile Creek near Lavina.

The dam stands 25 feet tall and stretches 250 feet across, has a maximum storage capacity of 73 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1940, 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
CountyGolden Valley
Nearest CityLavina
River/StreamTr-fivemile Creek
Coordinates46.36470, -109.04740

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length250 ft
Year Completed1940 (86 years old)

Storage & Hydraulics

NID Storage73 acre-ft
Max Storage73 acre-ft
Normal Storage51 acre-ft
Drainage Area2 sq mi

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerJohn H Gerdts
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDMT02642
Federal IDMT02642
More InfoState Dam Safety Program