1727.63 ft TVA datum (ft MSL)
level 1.4 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 SHDT1) 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 | 1729.00 ft TVA datum (ft MSL) · per TVA full-pool reference |
|---|---|
| Gauge | NOAA gauge SHDT1 · NOAA National Water Prediction Service |
| Datum | TVA datum (ft MSL) — Full pool = TVA operating-guide summer flood-guide max (1729). NWPS gauge 'South Fork Holston River above South Holston Dam'. |
| 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 South Holston Lake right now?
South Holston Lake is at 1727.63 ft (TVA datum (ft MSL)) as of August 15, 2026 — 1.4 ft below full pool — this gauge's public record is too short for seasonal comparisons
Is South Holston Lake full?
Not quite — at 1727.63 ft, South Holston Lake is 1.4 ft below its full pool of 1729.00 ft (TVA datum (ft MSL)).
What is full pool for South Holston Lake?
Full pool (the conservation pool) for South Holston Lake is 1729.00 ft TVA datum (ft MSL), per TVA full-pool reference. Levels above it use flood storage; levels below it are drawdown.