6531.57 ft NGVD29
level 3.3 ft below full pool — this gauge's public record is too short for seasonal comparisons
Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 06038000) and updates live when you load this page.
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.
- 2026 (wettest on record)
- 2025 (driest on record)
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 | 6534.87 ft NGVD29 · per NorthWestern Energy full-pool reference |
|---|---|
| Gauge | USGS gauge 06038000 · U.S. Geological Survey National Water Information System |
| Datum | NGVD29 |
| 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 Hebgen Lake right now?
Hebgen Lake is at 6531.57 ft (NGVD29) as of August 14, 2026 — 3.3 ft below full pool — this gauge's public record is too short for seasonal comparisons
Is Hebgen Lake full?
Not quite — at 6531.57 ft, Hebgen Lake is 3.3 ft below its full pool of 6534.87 ft (NGVD29).
What is full pool for Hebgen Lake?
Full pool (the conservation pool) for Hebgen Lake is 6534.87 ft NGVD29, per NorthWestern Energy full-pool reference. Levels above it use flood storage; levels below it are drawdown.