630.54 ft project datum (NGVD29-era)
level 1.5 ft below full pool — unusually low for mid-August
Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series TENK.Elev.Inst.1Hour.0.Ccp-Rev) and updates live when you load this page.
Lake Tenkiller through the year
The band is the lake's own normal: where the level has run on each calendar day, 2014–2026. 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)
- 2018 (driest on record)
- 2025 (last year)
- 2026 (this 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 | 632.00 ft project datum (NGVD29-era) · per USACE Tulsa District (SWT) full-pool reference |
|---|---|
| Gauge | USACE series TENK.Elev.Inst.1Hour.0.Ccp-Rev · U.S. Army Corps of Engineers Access to Water data |
| Datum | project datum (NGVD29-era) — Top of conservation 632.0 per SWT lakepage. |
| 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 Lake Tenkiller right now?
Lake Tenkiller is at 630.54 ft (project datum (NGVD29-era)) as of August 15, 2026 — 1.5 ft below full pool — unusually low for mid-August
Is Lake Tenkiller full?
Not quite — at 630.54 ft, Lake Tenkiller is 1.5 ft below its full pool of 632.00 ft (project datum (NGVD29-era)).
What is full pool for Lake Tenkiller?
Full pool (the conservation pool) for Lake Tenkiller is 632.00 ft project datum (NGVD29-era), per USACE Tulsa District (SWT) full-pool reference. Levels above it use flood storage; levels below it are drawdown.