Terra Alta Lake Dam

Terra Alta Lake Dam is an earth dam located in Fayette County, Tennessee, built in 1969. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection05/30/2023
Height20 ft
Built196957 years ago

Dam profile

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

20 ft tall and 700 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 Terra Alta Lake Dam

Terra Alta Lake Dam is a dam in Fayette, Tennessee. The dam is owned by Terra Alta P.o.a. (private). It impounds the King Creek.

The dam stands 20 feet tall and stretches 700 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 478 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1969, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/30/2023.

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Location

StateTennessee
CountyFayette
River/StreamKing Creek
Coordinates35.21722, -89.23028

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Length700 ft
Year Completed1969 (57 years old)

Storage & Hydraulics

NID Storage478 acre-ft
Max Storage478 acre-ft
Normal Storage252 acre-ft
Surface Area42 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

OwnerTerra Alta P.o.a.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/30/2023
Emergency Action PlanNot Required

Identifiers

NID IDTN04737
Federal IDTN04737
More InfoState Dam Safety Program