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Lake Austin Water Level Today

Daily level, percent full and history for Lake Austin, on the Colorado River (Texas) in Texas.

Updated · Source: Texas Water Development BoardTWDB

Water level

492.20ft

msl · Daily reading for Nov 7, 2026

  • 0.60 ftbelow full pool (492.8 ft)
  • 96.1%full
  • +0.02 ftin 24 h−0.10 ft in 7 days+0.01 ft in 30 days
492494496492494496492494496
  • Full pool
  • 1 yr ago

Storage 23,034 of 23,972 acre-ft

Is Lake Austin full?

No. Lake Austin is 96.1% full, 0.60 ft below full pool. It is 0.06 ft lower than a year ago (492.26 ft on Nov 7, 2025).

Lake Austin level history

Full pool 492.8 ft
View data table
DateLevel (ft)% full
Nov 7, 2026492.2096.1%
Nov 6, 2026492.1896.0%
Nov 5, 2026492.2496.3%
Nov 4, 2026492.3797.2%
Nov 3, 2026492.4397.6%
Nov 2, 2026492.3597.1%
Nov 1, 2026492.3497.0%
Oct 31, 2026492.3096.7%
Oct 30, 2026492.1795.9%
Oct 29, 2026492.1695.8%
Oct 28, 2026492.2296.2%
Oct 27, 2026492.2096.1%
Oct 26, 2026492.2596.4%
Oct 25, 2026492.1896.0%
Oct 24, 2026492.1795.9%
Oct 23, 2026492.1195.5%
Oct 22, 2026492.1595.8%
Oct 21, 2026492.0995.4%
Oct 20, 2026492.1095.4%
Oct 19, 2026492.0495.1%
Oct 18, 2026492.2596.4%
Oct 17, 2026492.3096.7%
Oct 16, 2026492.2996.7%
Oct 15, 2026492.2196.2%
Oct 14, 2026492.2096.1%
Oct 13, 2026492.2796.5%
Oct 12, 2026492.2996.7%
Oct 11, 2026492.1996.0%
Oct 10, 2026492.1795.9%
Oct 9, 2026492.1996.0%
Oct 8, 2026492.1996.0%
  • Lake Austin level
  • Full pool 492.8 ft
  • Above full pool
Source: TWDB · Daily readings since 1966

Lake Austin on Nov 7 in past years

Lake Austin water level on Nov 7 in past years
YearLevel (ft)vs today% full
2026today492.20—
96.1%
2025492.26+0.06
96.5%
2024492.15−0.05
95.8%
2023492.28+0.08
96.6%
2022492.37+0.17
97.2%
2021492.36+0.16
97.1%
2020492.07−0.13
95.3%
2019492.02−0.18
94.9%
2018492.34+0.14
97.0%
2017492.01−0.19
94.9%
2016491.99−0.21
94.7%

Today’s level is the lowest for this date since 2024.

Lake facts

Full pool (conservation pool)
492.8 ft msl
Dead pool
462.00 ft msl
Conservation capacity
23,972 acre-ft
Surface area today
1,545 acres
Highest since 1966
494.92 ftMay 25, 1981
Lowest since 1966
476.02 ftJan 23, 1986
Data since
Jan 1, 1966
Dam
Tom Miller Damcompleted 1939
River
Colorado River (Texas)
Operated by
LCRA
Dam location
Travis County
Gauge location
30.3155, −97.7864

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jan 1, 1966 to today (daily averages).

Highland Lakes chain

UpstreamColorado River (Texas)Downstream
  1. Lake Buchanan1,018.31 ft95.7% full−1.69 ft vs full pool
  2. Inks Lake887.19 ft95.3% full−0.81 ft vs full pool
  3. Lake LBJ824.74 ft98.5% full−0.26 ft vs full pool
  4. Lake Marble Falls736.69 ft97.5% full−0.31 ft vs full pool
  5. Lake Travis677.12 ft93.4% full−3.88 ft vs full pool
  6. Lake Austin492.20 ft96.1% full−0.60 ft vs full poolYou are here

Lake Buchanan and Lake Travis are the water-supply reservoirs. Inks, LBJ, Marble Falls and Austin are pass-through lakes kept near full.

Weather on the lake

  1. Tonight56°FLowNNE 5 mphShowers and Thunderstorms Likely
  2. Sunday63°FHighLow 55°FNE 5 mphRain Showers
  3. Monday67°FHighLow 54°FCalmChance Rain Showers
  4. Tuesday70°FHighLow 57°FCalmSlight Chance Rain Showers
  5. Wednesday77°FHighLow 56°FW 0–5 mphSlight Chance Rain Showers then Mostly Cloudy
  6. Thursday75°FHighLow 48°FNNW 5–10 mphSunny
  7. Friday72°FHighLow 48°FN 5 mphSunny

Forecast: National Weather Service for the dam area (30.32, −97.79). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Lake Austin?
492.8 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Tom Miller Dam.
How much does Lake Austin need to be full?
Lake Austin needs 0.60 ft more water to reach full pool (492.8 ft), or about 938 acre-ft of storage, as of Nov 7, 2026.
Is Lake Austin rising or falling?
It is falling: −0.10 ft in the last 7 days and +0.02 ft in 24 hours, to 492.20 ft on Nov 7, 2026 (Texas Water Development Board).
When was Lake Austin last full?
It was last at or above full pool (492.8 ft) on Mar 12, 2015. On Nov 7, 2026 it was 0.60 ft below.
What is the highest level in our data?
Lake Austin reached 494.92 ft on May 25, 1981. The lowest was 476.02 ft on Jan 23, 1986 (TWDB data since 1966; older records are not in this data set).
How much has Lake Austin changed in the last year?
In the last 12 months it ranged from 491.94 ft (May 8, 2026) to 492.60 ft (Jan 2, 2026), a swing of 0.66 ft.
How often is this page updated?
This page is updated every morning with the daily reading published by the Texas Water Development Board. The last reading is from Nov 7, 2026.

Where this data comes from

Daily reservoir data from the Texas Water Development Board (Lake Austin on waterdatafortexas.org). Updated every morning. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.