1514.43 ft TVA datum (ft msl)
level 6.6 ft below full pool — this gauge's public record is too short for seasonal comparisons
Reading comes straight from NOAA National Water Prediction Service (NOAA gauge HIWN7) 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 | 1521.00 ft TVA datum (ft msl) · per TVA full-pool reference |
|---|---|
| Gauge | NOAA gauge HIWN7 · NOAA National Water Prediction Service |
| Datum | TVA datum (ft msl) — 1521 is TVA's summer flood-guide maximum; top of gates 1526.5 (often quoted as full pool). Deep drawdown reservoir - big seasonal swings are normal. |
| 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 Hiwassee Lake right now?
Hiwassee Lake is at 1514.43 ft (TVA datum (ft msl)) as of August 15, 2026 — 6.6 ft below full pool — this gauge's public record is too short for seasonal comparisons
Is Hiwassee Lake full?
Not quite — at 1514.43 ft, Hiwassee Lake is 6.6 ft below its full pool of 1521.00 ft (TVA datum (ft msl)).
What is full pool for Hiwassee Lake?
Full pool (the conservation pool) for Hiwassee Lake is 1521.00 ft TVA datum (ft msl), per TVA full-pool reference. Levels above it use flood storage; levels below it are drawdown.