New Mexico · Bureau of Reclamation (Brantley Dam)

Brantley Lake water level

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

FULL POOL 3240 3245 3250 3255
Elevation, feet (NAVD88)

as of August 20, 2026

3246.21 ft NAVD88

level 10.2 ft below full pool — typical for mid-August

Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series Brantley.Elev.Inst.15Minutes.0.DCP-rev) and updates live when you load this page.


Brantley Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 1999–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 3240 3250 JFMAMJJASOND
Median and normal range by day of year, 1999–2026 · elevation, feet (NAVD88)

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 3230 3240 3250 3260 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2015 (wettest on record)
  • 2012 (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 3256.40 ft NAVD88 · per Bureau of Reclamation (Brantley Dam) full-pool reference
Conservation capacity 42,835 acre-feet · per Bureau of Reclamation (Brantley Dam) capacity reference
Gauge USACE series Brantley.Elev.Inst.15Minutes.0.DCP-rev · U.S. Army Corps of Engineers Access to Water data
Datum NAVD88 — 3256.4 ft is the district's top of conservation pool figure, in the same NAVD88 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 Brantley Lake right now?

Brantley Lake is at 3246.21 ft (NAVD88) as of August 20, 2026 — 10.2 ft below full pool — typical for mid-August

Is Brantley Lake full?

Not quite — at 3246.21 ft, Brantley Lake is 10.2 ft below its full pool of 3256.40 ft (NAVD88).

What is full pool for Brantley Lake?

Full pool (the conservation pool) for Brantley Lake is 3256.40 ft NAVD88, per Bureau of Reclamation (Brantley Dam) full-pool reference. Levels above it use flood storage; levels below it are drawdown.