Thomas Dam is an earth dam located in Montgomery County, Tennessee, built in 1984. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection04/27/2021
Height26 ft
Built198442 years ago

Dam profile

NID height · 26 ft
26 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

26 ft tall and 400 ft long, taller than 55% 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 Thomas Dam

The primary purpose of Thomas 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 Thomas, Tim (private). It impounds the Trib-sulphur Branch.

The dam stands 26 feet tall and stretches 400 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 82 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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. The most recent inspection on record was 04/27/2021.

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Location

StateTennessee
CountyMontgomery
River/StreamTrib-sulphur Branch
Coordinates36.39778, -87.22417

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Length400 ft
Year Completed1984 (42 years old)

Storage & Hydraulics

NID Storage82 acre-ft
Max Storage82 acre-ft
Normal Storage48 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerThomas, Tim
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection04/27/2021
Emergency Action PlanNot Required

Identifiers

NID IDTN12506
Federal IDTN12506
More InfoState Dam Safety Program