Lake Nasworthy Water Level Today

Lake Nasworthy is 85.9% full at 1,871.8 ft as of Oct 24, according to the Texas Water Development Board.

85.9%

Full, by conservation storage

1,871.8 ft

Elevation above sea level

1.0 ft

Below full pool of 1,872.7 ft

Today, 1,871.8 ftFull pool, 1,872.7 ftNormal, 1,871.0 ft

Since the day before

0.00 ft

Last 7 days

+0.08 ft

Last 30 days

+0.03 ft

Compared with normal

0.8 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 (NGVD29 before August 23, 2023).

Lake Nasworthy level history

30 days1 year10 years

Last 30 daysFull pool, 1,872.7 ft

Last 30 daysFull pool

This yearSame dates last yearFull pool, 1,872.7 ft

This yearSame dates last yearFull pool

One reading a weekFull pool, 1,872.7 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 Nasworthy full?

No. It is 85.9% full by conservation storage, 1.0 ft below its full pool elevation of 1,872.7 ft.

What is the lowest Lake Nasworthy has been since 1988?

1,867.6 ft, in January 1993, in daily records back to May 1988.

What is the highest Lake Nasworthy has been since 1988?

1,872.9 ft, in February 1992, in daily records back to May 1988.

How does today compare with a normal year?

It is 0.8 ft above the median level for Oct 24 across the stored record.

Is Lake Nasworthy rising or falling?

Rising: it is up 0.08 ft over the last 7 days.

Records

Record high	1,872.9 ft	Feb 1992
Record low	1,867.6 ft	Jan 1993
This year's high	1,872.0 ft	Apr 2026
This year's low	1,871.7 ft	Mar 2026

Daily levels since May 1988. Source: Texas Water Development Board; before October 1996, the Bureau of Reclamation.

Lake facts

Operator	City of San Angelo
Dam	Nasworthy Dam
Full pool	1,872.7 ft
Conservation capacity	9,615 acre-ft
Surface area	1,380 acres
County	Tom Green

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

Other lakes near Lake Nasworthy

All Texas lakes

Lake	Percent full	Level	Change, 7 days	Updated
Twin Buttes Reservoir	4.3%	1,894.3 ft	−0.37 ft	Oct 24
O. C. Fisher Lake	10.4%	1,871.9 ft	−0.09 ft	Oct 24
E. V. Spence Reservoir	9.3%	1,842.1 ft	+0.06 ft	Oct 24
O. H. Ivie Reservoir	40.9%	1,529.1 ft	−0.15 ft	Oct 24
Lake Abilene	6.8%	1,990.9 ft	−0.20 ft	Oct 24
Lake J.B. Thomas	20.5%	2,226.4 ft	−0.05 ft	Oct 24

Twin Buttes Reservoir4.3% full O. C. Fisher Lake10.4% full E. V. Spence Reservoir9.3% full O. H. Ivie Reservoir40.9% full Lake Abilene6.8% full Lake J.B. Thomas20.5% full

All Texas lakes

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