Old Hickory Lake is managed by U.S. Army Corps of Engineers. Lake Insights displays its latest available elevation from Tennessee Valley Authority. Published reference elevations are listed below.
Lake Status
At full pool
- 7-day trend
- Falling
- 7-day change
- Down 0.29 ft
- 30-day change
- Down 0.03 ft
- Last updated
- 5 hours ago
Old Hickory Lake is currently near full pool and has fallen slightly over the past week. Levels have eased slightly over the past week while staying near full pool.
Watershed drought conditions
Davidson County, TN · surrounding county from lake location
Moderate Drought
Moderate drought is affecting the watershed.
Severity
Weekly trend
Worsening
Compared with last week
Official drought
Yes
99.9% of the watershed is currently classified as official drought (D1+).
Expected impacts
- Stream inflows may run below normal
- Lake levels can decline faster between rain events
- Vegetation stress may increase over time
U.S. Drought Monitor · map date Sep 22, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Davidson County, TN
Key Facts
Managing authority
Waterbody / project type
Official purposes
Full pool
Datum
Current-level source
Project / NID identifier
Dam / watershed (NID design values)
Static design values from a confidently matched National Inventory of Dams record — not live gage readings.
- Normal storage
- 35 acre-ft
- Max storage
- 58 acre-ft
- Surface area at normal pool
- 5 acres
- Drainage area
- 0.1 sq mi
- Dam structure
- Earth · 22 ft high · completed 1967
- Hazard classification
- High
- Safety & inspection
- Satisfactory · last inspection Nov 3, 2025
National Inventory of Dams · matched record: Five Coves Dam (TN16508)
How this lake is operated
- Documented project purposes (National Inventory of Dams): Recreation, Other.
Why the level can change
General factors for reservoirs like this
These are common influences for this type of lake. They do not identify the cause of a specific current change unless an operator update confirms it.
Rainfall & inflows
Rain and upstream river inflows can raise reservoir levels, especially after storms.
Downstream releases
When an operator releases water through a dam, reservoir storage can fall and downstream flows can rise.
Flood-risk operations
Some projects store or release water under flood-risk rules when conditions require it.
Water supply
Some reservoirs support municipal, industrial, irrigation, or regional water-supply needs.
Hydropower
Hydropower projects may pass water through turbines when generating electricity.
Seasonal weather
Dry periods, heat, evaporation, and seasonal rainfall patterns can affect storage over weeks and months.
Published reference elevations
- Full pool
- 445.00 ft
Published reference elevation. Not necessarily a fixed year-round target for every project.
Current data source
Managing authority: U.S. Army Corps of Engineers
Observation source used by Lake Insights: Tennessee Valley Authority
Who manages the lake and who publishes the reading Lake Insights displays can differ. Lake Insights does not invent a source label from the managing authority alone.
General education
Shared background — not lake-specific facts
Lake Insights aggregates water level information from authoritative public sources such as the U.S. Army Corps of Engineers, NOAA, TVA, Bureau of Reclamation, power utilities, and other official lake operators. We preserve historical observations, calculate trends, and present lake conditions in a consistent format. For Tennessee Valley Authority, we link to the official source whenever it is available. Lake Insights does not predict future lake levels unless an official forecast has been published by the managing authority.
Common questions about Old Hickory Lake
- Who manages Old Hickory Lake?
- Old Hickory Lake is managed by U.S. Army Corps of Engineers. Lake Insights reports published gauge readings; it does not operate the waterbody.
- What is full pool at Old Hickory Lake?
- The published full-pool elevation for Old Hickory Lake is 445.00 ft (NGVD29). Full pool is a published reference elevation — not a prediction of today’s level.
- Where does Lake Insights get the level reading for Old Hickory Lake?
- Lake Insights displays the latest available elevation for Old Hickory Lake from Tennessee Valley Authority. The managing authority (U.S. Army Corps of Engineers) may differ from the agency that publishes the observation used on this page.
- What datum is used for Old Hickory Lake?
- Elevations for Old Hickory Lake are referenced to NGVD29 (MSL).
- What are the documented purposes of Old Hickory Lake?
- Documented purposes for Old Hickory Lake (National Inventory of Dams): Recreation, Other.