Lake L. B. Johnson Water Level Today

Lake L. B. Johnson is 98.8% full at 824.8 ft as of Oct 24, according to the Texas Water Development Board.

98.8%

Full, by conservation storage

824.8 ft

Elevation above sea level

0.2 ft

Below full pool of 825.0 ft

Today, 824.8 ftFull pool, 825.0 ftNormal, 824.7 ft

Since the day before

+0.05 ft

Last 7 days

+0.22 ft

Last 30 days

−0.01 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 NAVD88 +0.68.

Lake L. B. Johnson level history

30 days1 year10 years

Last 30 daysFull pool, 825.0 ft

Last 30 daysFull pool

This yearSame dates last yearFull pool, 825.0 ft

This yearSame dates last yearFull pool

One reading a weekFull pool, 825.0 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 L. B. Johnson full?

No. It is 98.8% full by conservation storage, 0.2 ft below its full pool elevation of 825.0 ft.

What is the lowest Lake L. B. Johnson has been?

793.8 ft, in November 1970, since the lake first filled in June 1952.

What is the highest Lake L. B. Johnson has been?

828.0 ft, in September 1952, since the lake first filled in June 1952.

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 L. B. Johnson rising or falling?

Rising: it is up 0.22 ft over the last 7 days.

Records

All-time high	828.0 ft	Sep 1952
All-time low	793.8 ft	Nov 1970
This year's high	824.9 ft	Apr 2026
This year's low	823.8 ft	Jul 2026

Since the lake first filled, in June 1952. Source: Texas Water Development Board.

Lake facts

Operator	Lower Colorado River Authority
Dam	Wirtz Dam
Full pool	825.0 ft
Conservation capacity	112,778 acre-ft
Surface area	6,534 acres
County	Burnet

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 Austin	96.0%	492.2 ft	−0.05 ft	Oct 24
Lake Buchanan	95.8%	1,018.4 ft	−0.04 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 Austin96.0% full Lake Buchanan95.8% 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 L. B. Johnson, check the National Weather Service.