Tennessee · USACE Nashville District (LRN)

Old Hickory Lake water level

Today's reading against full pool and Old Hickory Lake's own seasonal history.

Searched “Old Hickory lake level” or “lake level for Old Hickory Lake”? Same lake, same reading — you're in the right place. The current reading is right here too, whether you typed “current Old Hickory Lake water level” or “current water level at Old Hickory Lake”.

FULL POOL 440 442 444
Elevation, feet (USACE project datum (ft MSL))

as of September 24, 2026

444.98 ft USACE project datum (ft MSL)

level At full pool — on the high side for late September

Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE lake gauge) and updates live when you load this page.


Is Old Hickory Lake full?

Yes — at full pool as of September 24, 2026

How full is Old Hickory Lake? Not as a percentage: no storage figure comes through with this gauge reading, and a share of capacity worked out from the elevation alone would be a guess — how much water a reservoir holds at a given level is a curve only the operator's own capacity table knows. Feet from full pool is what the operator publishes, and it is the figure above.


Old Hickory Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 1990–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 443 444 445 446 JFMAMJJASOND
Median and normal range by day of year, 1990–2026 · elevation, feet (USACE project datum (ft MSL))

This year vs the years that matter

This year's trace against last year and the driest and wettest years on record — the drought-context question every lake regular asks.

full pool 444 446 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2008 (wettest on record)
  • 1993 (driest on record)

Full pool, datum, and the gauge

"Full pool" here means the conservation pool — the level the lake is designed to hold for water supply and recreation, not the flood-control space above it. The full explainer covers flood pool and dead pool too.

Full pool 445.00 ft USACE project datum (ft MSL) · per USACE Nashville District (LRN) full-pool reference
Gauge USACE lake gauge · U.S. Army Corps of Engineers Access to Water data
Datum USACE project datum (ft MSL) — Full pool is the 445.0 ft top of power, and Old Hickory is a run-of-river project held in a 444-446 ft band.
Last verified August 15, 2026

LakeDates reports lake level, not ramp status. Whether a given ramp or marina is usable at this level varies ramp by ramp — call the marina before you tow.

Quick answers

What is the lake level for Old Hickory Lake today?

Old Hickory Lake is at 444.98 ft (USACE project datum (ft MSL)) as of September 24, 2026 — At full pool — on the high side for late September.

Is Old Hickory Lake full?

Yes — at 444.98 ft on September 24, 2026, Old Hickory Lake is at full pool (445.00 ft USACE project datum (ft MSL)).

How full is Old Hickory Lake?

Not as a percentage: no storage figure comes through with this gauge reading, and a share of capacity worked out from the elevation alone would be a guess — how much water a reservoir holds at a given level is a curve only the operator's own capacity table knows. Feet from full pool is what the operator publishes, and it is the figure above.

What is full pool for Old Hickory Lake?

Full pool (the conservation pool) for Old Hickory Lake is 445.00 ft USACE project datum (ft MSL), per USACE Nashville District (LRN) full-pool reference. Levels above it use flood storage; levels below it are drawdown.