Lake Austin
Source: Texas Water Development Board (Water Data for Texas)
SE 5 to 10 mph · rain 0%
ESE 0 to 5 mph · rain 1%
Level history
Field notes
On Oct 25, 2026, Lake Austin was at 492.20 ft, which is 96.1% of its conservation capacity.
That is 0.60 ft below the conservation (full) pool elevation of 492.80 ft.
The level has been roughly steady over the past week (−0.05 ft).
Compared with a year ago (492.31 ft), the lake is 0.11 ft lower.
For this time of year, the median in TWDB's records (1996–2025, 30 years with data) is 95.3% full, so Austin is currently close to normal.
In TWDB's dataset (since 1966), the highest level recorded is 494.92 ft (May 25, 1981) and the lowest is 476.02 ft (Jan 23, 1986). Older records may be monthly rather than daily.
Lake facts
| Conservation storage | 23,034 ac-ft |
|---|---|
| Total storage (latest) | 23,643 ac-ft |
| Surface area | 1,545 acres |
| Gauge location | 30.3155, -97.7864 |
| Groups | Colorado River Basin Lower Colorado (Region K) Water Planning Area |
Reference levels
| Level · source | Elevation | Today vs level |
|---|---|---|
| Conservation (full) pool TWDB | 492.80 ft | −0.60 ft |
| Dead pool TWDB | 462.00 ft | +30.20 ft |
| Highest in TWDB data (since 1966) TWDB series | 494.92 ft May 25, 1981 | −2.72 ft |
| Lowest in TWDB data (since 1966) TWDB series | 476.02 ft Jan 23, 1986 | +16.18 ft |
| Normal range for this date TWDB series, 30 years 1996–2025 | 94.9–95.8% full (median 95.3%) | — |
| Conservation capacity TWDB | 23,972 acre-feet | — |
Only levels the agency publishes, or that we compute directly from its own records, are listed. “Today vs level” = latest reading minus the reference level. A level the source does not publish is left out rather than estimated.
Nearby lakes
Common questions
How full is Lake Austin right now?
As of Oct 25, 2026, TWDB reports Lake Austin at 96.1% of its conservation capacity (23,034 of 23,972 acre-feet). For this date, the middle half of past years (1996–2025) ranged from 94.9% to 95.8% full, with a median of 95.3%.
What is the record high and low at Lake Austin?
In TWDB's records since 1966, the highest level is 494.92 ft (May 25, 1981) and the lowest is 476.02 ft (Jan 23, 1986).
What is full pool at Lake Austin?
The conservation (full) pool elevation used by TWDB is 492.80 ft. The lake is currently 0.60 ft below it.
Is Lake Austin rising or falling?
Over the last 7 days it changed −0.05 ft and over 30 days +0.01 ft.
How often is this page updated?
The page is rebuilt automatically every day from TWDB's published data. Values can be revised later by the source agency.
Where does the data come from?
Water Data for Texas, run by the Texas Water Development Board, which compiles gauge readings from USGS, USACE, river authorities and others. Forecasts come from the National Weather Service.
Values are TWDB daily estimates; elevations in feet above the vertical datum stated by TWDB. TWDB disclaimer: reservoir data are best estimates generated by the Texas Water Development Board from data collected by various providers; TWDB makes no warranties as to their fitness for any purpose. See data sources.