Montana · Bureau of Reclamation (Sherburne Dam)

Lake Sherburne water level

Today's reading against full pool and Lake Sherburne's own seasonal history.

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Elevation, feet (NGVD29)

as of August 19, 2026

4769.41 ft NGVD29

level Reading is typical for mid-August.

Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 05015500) and updates live when you load this page.


Lake Sherburne through the year

The band is the lake's own normal: where the level has run on each calendar day, 1990–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

-200 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 JFMAMJJASOND
Median and normal range by day of year, 1990–2026 · elevation, feet (NGVD29)

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.

-200 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year, wettest on record)
  • 2001 (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 not published by the operator
Gauge USGS gauge 05015500 · U.S. Geological Survey National Water Information System
Datum NGVD29
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 Lake Sherburne right now?

Lake Sherburne is at 4769.41 ft (NGVD29) as of August 19, 2026 — Reading is typical for mid-August.

Is Lake Sherburne full?

Bureau of Reclamation (Sherburne Dam) doesn't publish a conservation-pool figure for Lake Sherburne, so this page shows the reading against the lake's own seasonal history instead.

What is full pool for Lake Sherburne?

Bureau of Reclamation (Sherburne Dam) doesn't publish a single conservation-pool elevation for Lake Sherburne. The seasonal chart shows the range the lake actually runs instead.