490.32 ft USACE project datum (ft MSL)
level 0.3 ft above full pool — typical for mid-August
Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series JPHT1-J_PERCY_PRIEST.Elev-Pool.Inst.1Hour.0.dcp-rev) and updates live when you load this page.
Percy Priest 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.
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.
- 2019 (wettest on record)
- 2026 (driest on record)
- 2025 (last year)
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 | 490.00 ft USACE project datum (ft MSL) · per USACE Nashville District (LRN) full-pool reference |
|---|---|
| Gauge | USACE series JPHT1-J_PERCY_PRIEST.Elev-Pool.Inst.1Hour.0.dcp-rev · U.S. Army Corps of Engineers Access to Water data |
| Datum | USACE project datum (ft MSL) — Full pool = 2026 guide-curve max (490.0, summer pool). |
| 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
How full is Percy Priest Lake right now?
Percy Priest Lake is at 490.32 ft (USACE project datum (ft MSL)) as of August 15, 2026 — 0.3 ft above full pool — typical for mid-August
Is Percy Priest Lake full?
Yes and then some — at 490.32 ft, Percy Priest Lake is 0.3 ft above its full pool of 490.00 ft (USACE project datum (ft MSL)), using flood storage.
What is full pool for Percy Priest Lake?
Full pool (the conservation pool) for Percy Priest Lake is 490.00 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.