Lake Austin Water Level Today

Lake Austin is 96.0% full at 492.2 ft as of Oct 24, according to the Texas Water Development Board.

96.0%

Full, by conservation storage

492.2 ft

Elevation above sea level

0.6 ft

Below full pool of 492.8 ft

Today, 492.2 ftFull pool, 492.8 ftNormal, 492.1 ft

Since the day before

+0.04 ft

Last 7 days

−0.05 ft

Last 30 days

−0.02 ft

Compared with normal

0.1 ft above

Updated Oct 24 (daily average). Source: Texas Water Development Board. Normal is the median level for Oct 24 from 2006 to 2026. Elevations are in feet above NGVD29 -0.04.

Lake Austin level history

30 days1 year10 years

Last 30 daysFull pool, 492.8 ft

Last 30 daysFull pool

This yearSame dates last yearFull pool, 492.8 ft

This yearSame dates last yearFull pool

One reading a weekFull pool, 492.8 ft

One reading a weekFull pool

Elevation in feet, one reading per day (one a week over 10 years). Source: Texas Water Development Board.

Common questions

Is Lake Austin full?

No. It is 96.0% full by conservation storage, 0.6 ft below its full pool elevation of 492.8 ft.

What is the lowest Lake Austin has been since 1966?

476.0 ft, in January 1986, in daily records back to January 1966.

What is the highest Lake Austin has been since 1966?

494.9 ft, in May 1981, in daily records back to January 1966.

How does today compare with a normal year?

It is 0.1 ft above the median level for Oct 24 across the stored record.

Is Lake Austin rising or falling?

Falling: it is down 0.05 ft over the last 7 days.

Records

Record high	494.9 ft	May 1981
Record low	476.0 ft	Jan 1986
This year's high	492.6 ft	Jan 2026
This year's low	491.9 ft	May 2026

Daily levels since January 1966. Source: Texas Water Development Board.

Lake facts

Operator	City of Austin
Dam	Tom Miller Dam
Full pool	492.8 ft
Conservation capacity	23,972 acre-ft
Surface area	1,830 acres
County	Travis

Full pool and capacity: Texas Water Development Board. Dam facts: U.S. Army Corps of Engineers, National Inventory of Dams.

Other Highland Lakes

All Texas lakes

Lake	Percent full	Level	Change, 7 days	Updated
Lake Buchanan	95.8%	1,018.4 ft	−0.04 ft	Oct 24
Lake L. B. Johnson	98.8%	824.8 ft	+0.17 ft	Oct 24
Lake Travis	93.8%	677.3 ft	−0.30 ft	Oct 24
Lake Georgetown	78.6%	784.3 ft	−0.15 ft	Oct 24
Canyon Lake	96.7%	907.5 ft	−0.21 ft	Oct 24
Belton Lake	96.5%	592.8 ft	−0.18 ft	Oct 24

Lake Buchanan95.8% full Lake L. B. Johnson98.8% full Lake Travis93.8% full Lake Georgetown78.6% full Canyon Lake96.7% full Belton Lake96.5% full

All Texas lakes

All Highland Lakes

LakeLevelToday is not an official warning source. For flood watches and warnings near Lake Austin, check the National Weather Service.