Texas · LCRA / City of Austin (Tom Miller Dam)

Lake Austin water level

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

FULL POOL 488 490 492
Elevation, feet (above mean sea level)

as of August 20, 2026

492.02 ft above mean sea level

95% full share of conservation capacity, as reported with the gauge reading

level 0.8 ft below full pool — on the low side for mid-August

Reading from Texas Water Development Board — Water Data for Texas (Water Data for Texas — austin); it refreshes with each site update rather than live.


Lake Austin through the year

The band is the lake's own normal: where the level has run on each calendar day, 1966–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 480 485 490 JFMAMJJASOND
Median and normal range by day of year, 1966–2026 · elevation, feet (above mean sea level)

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 480 485 490 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 1990 (wettest on record)
  • 1999 (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 492.80 ft above mean sea level · per Water Data for Texas — Lake Austin
Conservation capacity 23,972 acre-feet · per Water Data for Texas — Lake Austin
Gauge Water Data for Texas — austin · Texas Water Development Board — Water Data for Texas
Datum ft above mean sea level
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 Austin right now?

Lake Austin is at 492.02 ft (above mean sea level) as of August 20, 2026 — 0.8 ft below full pool — on the low side for mid-August The lake is holding 95% of its conservation capacity.

What percent full is Lake Austin?

As of August 20, 2026, Lake Austin is holding 95% of its conservation capacity, per Water Data for Texas — Lake Austin.

Is Lake Austin full?

Not quite — at 492.02 ft, Lake Austin is 0.8 ft below its full pool of 492.80 ft (above mean sea level). The lake is holding 95% of its conservation capacity.

What is full pool for Lake Austin?

Full pool (the conservation pool) for Lake Austin is 492.80 ft above mean sea level, per Water Data for Texas — Lake Austin. Levels above it use flood storage; levels below it are drawdown.