lakedates.com

Wisconsin · USACE St. Paul District

Eau Galle Reservoir water level

Today's reading against full pool and Eau Galle Reservoir's own seasonal history.

Searched “Eau Galle lake level” or “lake level for Eau Galle Reservoir”? Same lake, same reading — you're in the right place. The current reading is right here too, whether you typed “current Eau Galle Reservoir water level” or “current water level at Eau Galle Reservoir”.

FULL POOL 936 938 940
Elevation, feet (NGVD29)

as of October 1, 2026

940.24 ft NGVD29

level 0.2 ft above full pool — on the low side for early October

Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE lake gauge) and updates live when you load this page.

Is Eau Galle Reservoir full?

Yes, and then some — 0.2 ft above full pool as of October 1, 2026

How full is Eau Galle Reservoir? Not as a percentage: no storage figure comes through with this gauge reading, and a share of capacity worked out from the elevation alone would be a guess — how much water a reservoir holds at a given level is a curve only the operator's own capacity table knows. Feet from full pool is what the operator publishes, and it is the figure above.

Eau Galle Reservoir through the year

The band is the lake's own normal: where the level has run on each calendar day, 2015–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 940 942 944 JFMAMJJASOND
Median and normal range by day of year, 2015–2026 · 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.

full pool 938 940 942 944 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2016 (wettest on record)
  • 2018 (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 940.00 ft NGVD29 · per USACE St. Paul District full-pool reference
Conservation capacity 1,536 acre-feet · per USACE St. Paul District capacity reference
Gauge USACE lake gauge · U.S. Army Corps of Engineers Access to Water data
Datum NGVD29 — 940 ft is the district's top of conservation pool figure, in the same NGVD29 datum as the gauge.
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

What is the lake level for Eau Galle Reservoir today?

Eau Galle Reservoir is at 940.24 ft (NGVD29) as of October 1, 2026 — 0.2 ft above full pool — on the low side for early October.

Is Eau Galle Reservoir full?

Yes and then some — at 940.24 ft on October 1, 2026, Eau Galle Reservoir is 0.2 ft above its full pool of 940.00 ft (NGVD29), using flood storage.

How full is Eau Galle Reservoir?

Not as a percentage: no storage figure comes through with this gauge reading, and a share of capacity worked out from the elevation alone would be a guess — how much water a reservoir holds at a given level is a curve only the operator's own capacity table knows. Feet from full pool is what the operator publishes, and it is the figure above.

What is full pool for Eau Galle Reservoir?

Full pool (the conservation pool) for Eau Galle Reservoir is 940.00 ft NGVD29, per USACE St. Paul District full-pool reference. Levels above it use flood storage; levels below it are drawdown.