Falcon Lake Water Level Today

Falcon Lake is 20.3% full at 261.0 ft as of Oct 23, according to the Texas Water Development Board.

20.3%

Full, by Texas's share of conservation storage

261.0 ft

Elevation above sea level

40.2 ft

Below full pool of 301.2 ft

Today, 261.0 ftFull pool, 301.2 ftNormal, 272.1 ft

Since the day before

−0.03 ft

Last 7 days

−0.36 ft

Last 30 days

+0.49 ft

Compared with normal

11.1 ft below

Updated Oct 23 (daily average). Source: Texas Water Development Board. Normal is the median level for Oct 23 from 2006 to 2026. Elevations are in feet above NGVD29.

Falcon Lake level history

30 days1 year10 years

Last 30 daysFull pool, 301.2 ft

Last 30 daysFull pool

This yearSame dates last yearFull pool, 301.2 ft

This yearSame dates last yearFull pool

One reading a weekFull pool, 301.2 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 Falcon Lake full?

No. It is 20.3% full by Texas's share of conservation storage, 40.2 ft below its full pool elevation of 301.2 ft.

What is the lowest Falcon Lake has been?

247.0 ft, in July 2002, since the lake first filled in September 1958.

What is the highest Falcon Lake has been?

309.3 ft, in July 2010, since the lake first filled in September 1958.

How does today compare with a normal year?

It is 11.1 ft below the median level for Oct 23 across the stored record.

Is Falcon Lake rising or falling?

Falling: it is down 0.36 ft over the last 7 days.

Records

All-time high	309.3 ft	Jul 2010
All-time low	247.0 ft	Jul 2002
This year's high	265.2 ft	Jul 2026
This year's low	255.7 ft	Jan 2026

Since the lake first filled, in September 1958. Source: Texas Water Development Board.

Lake facts

Operator	International Boundary and Water Commission
Dam	Falcon Dam
Full pool	301.2 ft
Conservation capacity	1,562,367 acre-ft
Surface area	115,400 acres
County	Starr

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

Other Rio Grande reservoirs

All Texas lakes

Lake	Percent full	Level	Change, 7 days	Updated
Caballo Reservoir	not reported	4,138.9 ft	−0.04 ft	Oct 21
Elephant Butte Lake	100.0%	4,296.5 ft	not reported	Oct 21
Lake Amistad	46.5%	1,062.7 ft	+2.33 ft	Oct 23
Lake Corpus Christi	80.3%	91.3 ft	not reported	Oct 23
Choke Canyon Reservoir	21.3%	190.6 ft	not reported	Oct 23
Medina Lake	27.9%	1,019.8 ft	not reported	Oct 23

Caballo Reservoir4,138.9 ft Elephant Butte Lake100.0% full Lake Amistad46.5% full Lake Corpus Christi80.3% full Choke Canyon Reservoir21.3% full Medina Lake27.9% full

All Texas lakes

All Rio Grande reservoirs

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