Whitney Lake Water Level Today - 531.37 ft, 93.5% Full

Brazos River · Texas - updated daily from official gauges

Western Reservoir Conditions·Daily·No. 47·Tuesday, September 8, 2026·Latest reading September 8, 2026

• Whitney Lake is 93.5% full - high on this site's capacity scale - as of September 8, 2026. Surface elevation 531.37 feet, storage 528,181 acre-feet (capacity basis 564,808 acre-feet), per Texas Water Development Board data.
• That elevation is its lowest September reading since 2023, and 14.67 feet above its record low of 516.70 ft (December 3, 2011), in a daily record going back to October 2, 1999 (TWDB's period of record for this reservoir).
• Storage is 112% of the September 8 average across 27 years of record.
• Whitney Lake is falling: elevation changed -0.39 ft over the past week, -1.17 ft over the past month, and -1.37 ft over the past year, per Texas Water Development Board data.

Whitney Lake is holding near the top of its operating range at 93.5% of capacity, -1.37 ft over the past twelve months.

Whitney Lake operating range

Whitney Lake is operated within a narrow band rather than drawn down and refilled over years. As of September 8, 2026 it sits 1,440.63 feet below its 1,972.0 ft full-pool reference. Over the past two years the daily record ranges from 531.31 ft (November 19, 2025) to 535.84 ft (June 14, 2025) - a band of 4.53 feet. The highest reading in the full record is 561.32 ft on June 8, 2016.

Storage above the full-pool reference is flood control space, not supply. A reservoir reading at or near 100% of its conservation capacity is being operated normally - it is not a surplus, and the operator may release water to hold that space.

Whitney Lake storage in context

Whitney Lake water level, past 12 months

93.5% full at the latest reading - across the past 12 months it ranged from 93.3% (November 19, 2025) to 100.0% (July 24, 2026). Percent full is storage against the 564,808-acre-foot capacity basis, not a share of the elevation plotted above.

Whitney Lake elevation, full record

93.5% full at the latest reading - across the storage record since January 2, 1952 it ranged from 0.2% (January 10, 1952) to 110.3% (December 14, 2004). Percent full is storage against the 564,808-acre-foot capacity basis, not a share of the elevation plotted above. Every percentage here is measured against today's capacity basis; a reservoir's surveyed capacity changes as sediment accumulates behind the dam, so early-record percentages are indicative rather than exact.

Last 14 daily readings

Frequently asked questions

What is the water level of Whitney Lake today?

As of September 8, 2026, Whitney Lake's surface elevation is 531.37 feet, with 528,181 acre-feet in storage - 93.5% of the 564,808 acre-foot capacity basis. Source: Water Data for Texas (TWDB) daily data.

How full is Whitney Lake?

Whitney Lake is 93.5% full as of September 8, 2026. Its storage is 112% of the September 8 average across its record since 1999. Source: Water Data for Texas (TWDB) daily data.

When was Whitney Lake last full?

Whitney Lake was last at or above 95% of its 564,808 acre-foot capacity basis on September 1, 2026. As of September 8, 2026 it is 93.5% full. Source: Water Data for Texas (TWDB) daily data.

Is Whitney Lake rising or falling?

Whitney Lake is falling: its elevation changed -0.39 feet over the week ending September 8, 2026, -1.17 ft over the past month, and -1.37 feet over the past year. Source: Water Data for Texas (TWDB) daily data.

What was Whitney Lake's lowest water level on record?

Whitney Lake's lowest surface elevation in the daily record since October 2, 1999 was 516.70 feet on December 3, 2011, per the daily record used by this site. As of September 8, 2026 the reservoir is 14.67 feet above that record low.

About this gauge

Whitney Lake is a Texas water-supply reservoir in the Brazos River basin. Water Data for Texas publishes a conservation pool elevation of 1,972.0 ft and a conservation capacity of 564,808 acre-feet, with daily water level and storage recorded since 1952-01-02.

Operator

Texas Water Development Board (Water Data for Texas)

Station

whitney

Measurements

Daily water level and conservation storage

River

Brazos River

State

Texas

Full pool reference

1,972.0 ft

Capacity basis

564,808 acre-feet (Water Data for Texas (TWDB) conservation capacity)

Period of record

October 2, 1999 (TWDB's period of record for this reservoir)

Status

Provisional - subject to revision by the reporting agency

Update cadence

Daily

TWDB reports conservation storage against a conservation capacity that is restated as new volumetric surveys are completed, so a percent-full figure here can change without the water level changing. TWDB's methodology page is linked in the notes below.

Download the daily CSV (date, elevation ft, storage AF) or see all data downloads.

Other reservoirs tracked

Texas & Rio Grande: Lake Travis, Lake Buchanan, Canyon Lake, Amistad Reservoir, Falcon Lake, Elephant Butte Reservoir, Lake Abilene, Lake Alan Henry, Lake Amon G Carter, Aquilla Lake, Lake Arlington, Lake Arrowhead, Lake Athens, Lake Austin, B. A. Steinhagen Lake, Bardwell Lake, Belton Lake, Benbrook Lake, Lake Bob Sandlin, Bois d'Arc Lake, Lake Bonham, Brady Creek Reservoir, Bridgeport Reservoir, Lake Brownwood, Caddo Lake, Cedar Creek Reservoir, Champion Creek Reservoir, Lake Cherokee, Choke Canyon Reservoir, Lake Cisco, Lake Coleman, Coleto Creek Reservoir, Lake Colorado City, Comanche Creek Reservoir, Lake Conroe, Lake Corpus Christi, Lake Crook, Lake Cypress Springs, E. V. Spence Reservoir, Eagle Mountain Reservoir, Lake Fork Reservoir, Fort Phantom Hill Reservoir, Lake Georgetown, Gibbons Creek Reservoir, Lake Graham, Lake Granbury, Granger Lake, Grapevine Lake, Greenbelt Lake, Halbert Lake, Hords Creek Lake, Lake Houston, Houston County Lake, Hubbard Creek Reservoir, Moss Lake, Inks Lake, Lake J.B. Thomas, Lake Jacksonville, Cooper (Chapman) Lake, Joe Pool Lake, Lake Kemp, Lake Kickapoo, Lake O the Pines, Lavon Lake, Leon Reservoir, Lewisville Lake, Lake Limestone, Livingston Reservoir, Lost Creek Reservoir, Lake L. B. Johnson, Mackenzie Reservoir, Lake Marble Falls, Martin Lake, Medina Lake, Lake Meredith, Millers Creek Reservoir, Lake Mineral Wells, Monticello Reservoir, Mountain Creek Lake, Murvaul Lake, Lake Nacogdoches, Lake Nasworthy, Navarro Mills Lake, New Terrell City Lake, Lake Nocona (Farmer's Creek), North Fork Buffalo Creek Reservoir, O. C. Fisher Lake, O. H. Ivie Reservoir, Oak Creek Reservoir, Lake Palestine, Palo Duro Reservoir, Lake Palo Pinto, Lake Pat Cleburne, Pat Mayse Lake, Possum Kingdom Lake, Proctor Lake, Lake Ray Hubbard, Ray Roberts Lake, Red Bluff Reservoir, Richland-Chambers Reservoir, Sam Rayburn Reservoir, Somerville Lake, Lake Stamford, Stillhouse Hollow Lake, Lake Striker, Lake Sulphur Springs, Lake Sweetwater, Lake Tawakoni, Lake Texana, Lake Texoma, Toledo Bend Reservoir, Twin Buttes Reservoir, Lake Tyler, Waco Lake, Lake Waxahachie, Lake Weatherford, White River Reservoir, Lake Worth, Wright Patman Lake.
Also: Lake Mead, Lake Powell, Lake Mohave, Lake Havasu, Flaming Gorge Reservoir, Blue Mesa Reservoir, Navajo Reservoir, Shasta Lake, Lake Oroville, Folsom Lake, Lake Berryessa, New Melones Lake, Trinity Lake, Don Pedro Reservoir, San Luis Reservoir.