Lake Luanna Dam

Lake Luanna Dam is an earth dam located in Dyer County, Tennessee, built in 1970. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Lake Luanna Dam

The primary purpose of Lake Luanna Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Luanna H.o.a. (private). It impounds the North Fork Forked Deer R..

The dam stands 33 feet tall and stretches 400 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 258 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/11/2025.

At 33 feet, this dam is taller than 78% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Tennessee dam safety program can provide more specific information about emergency planning for this structure.

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

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateTennessee
CountyDyer
River/StreamNorth Fork Forked Deer R.
Coordinates36.05556, -89.43417

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Length400 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage258 acre-ft
Max Storage258 acre-ft
Normal Storage163 acre-ft
Surface Area14 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerLake Luanna H.o.a.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection03/11/2025
Emergency Action PlanYes

Identifiers

NID IDTN04523
Federal IDTN04523
More InfoState Dam Safety Program

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