1090.61 ft NAVD88
level Current reading shown; this gauge's public record is too short for seasonal comparisons.
Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series Tionesta-Lake.Elev.Inst.1Hour.0.RESOPS) and updates live when you load this page.
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 | not published by the operator |
|---|---|
| Gauge | USACE series Tionesta-Lake.Elev.Inst.1Hour.0.RESOPS · U.S. Army Corps of Engineers Access to Water data |
| Datum | NAVD88 |
| Last verified | August 20, 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 Tionesta Lake right now?
Tionesta Lake is at 1090.61 ft (NAVD88) as of August 20, 2026 — Current reading shown; this gauge's public record is too short for seasonal comparisons.
Is Tionesta Lake full?
USACE Pittsburgh District doesn't publish a conservation-pool figure for Tionesta Lake, so this page shows the latest reading straight from the gauge.
What is full pool for Tionesta Lake?
USACE Pittsburgh District doesn't publish a single conservation-pool elevation for Tionesta Lake. The reading above comes straight from the operator's gauge.