Two Turtle Dam

Two Turtle Dam is an earth dam located in Toole County, Montana, built in 1960. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height20 ft
Built196066 years ago

Dam profile

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

20 ft tall and 200 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 Two Turtle Dam

The primary purpose of Two Turtle Dam 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 Vernon J Johnson (private). It impounds the Duce Creek near Chester.

The dam stands 20 feet tall and stretches 200 feet across, and has a maximum storage capacity of 51 acre-feet. Completed in 1960, 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.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateMontana
CountyToole
Nearest CityChester
River/StreamDuce Creek
Coordinates48.93570, -111.30570

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length200 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage51 acre-ft
Max Storage51 acre-ft
Normal Storage26 acre-ft

Ownership & Safety

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

Identifiers

NID IDMT03639
Federal IDMT03639
More InfoState Dam Safety Program