Louisiana · USACE Vicksburg District

Wallace Lake water level

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

FULL POOL 138 140 142
Elevation, feet (NGVD29)

as of August 20, 2026

139.62 ft NGVD29

level 2.4 ft below full pool — unusually low for mid-August

Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series Wallace Lake.Elev.Inst.1Hour.0.DCP-rev) and updates live when you load this page.


Wallace Lake 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 140 145 150 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 140 145 150 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2023 (wettest on record)
  • 2017 (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 142.00 ft NGVD29 · per USACE Vicksburg District full-pool reference
Conservation capacity 7,800 acre-feet · per USACE Vicksburg District capacity reference
Gauge USACE series Wallace Lake.Elev.Inst.1Hour.0.DCP-rev · U.S. Army Corps of Engineers Access to Water data
Datum NGVD29 — 142 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

How full is Wallace Lake right now?

Wallace Lake is at 139.62 ft (NGVD29) as of August 20, 2026 — 2.4 ft below full pool — unusually low for mid-August

Is Wallace Lake full?

Not quite — at 139.62 ft, Wallace Lake is 2.4 ft below its full pool of 142.00 ft (NGVD29).

What is full pool for Wallace Lake?

Full pool (the conservation pool) for Wallace Lake is 142.00 ft NGVD29, per USACE Vicksburg District full-pool reference. Levels above it use flood storage; levels below it are drawdown.