Halbert Lake Water Level Today - 365.29 ft, 75.5% Full

Trinity River · Texas - updated daily from official gauges

Western Reservoir Conditions·Daily·No. 92·Friday, October 23, 2026·Latest reading October 23, 2026

• Halbert Lake is 75.5% full - high on this site's capacity scale - as of October 23, 2026. Surface elevation 365.29 feet, storage 4,552 acre-feet (capacity basis 6,033 acre-feet), per Texas Water Development Board data.
• That elevation is 7.53 feet above its record low of 357.76 ft (October 31, 2006), in a daily record going back to April 15, 1999 (TWDB's period of record for this reservoir).
• Storage is 106% of the October 23 average across 25 years of record.
• Halbert Lake is falling: elevation changed -0.14 ft over the past week, +0.33 ft over the past month, and -0.69 ft over the past year, per Texas Water Development Board data.

Halbert Lake is within 7.53 feet of the lowest surface elevation in its daily record, set on October 31, 2006.

Halbert Lake vs its record low

In the daily record used by this site (going back to April 15, 1999 (TWDB's period of record for this reservoir)), Halbert Lake's lowest surface elevation was 357.76 feet on October 31, 2006, when storage was 1,535 acre-feet. As of October 23, 2026, Halbert Lake is at 365.29 feet - 7.53 feet above that record. The record high in the same series was 370.69 ft on October 24, 2015.

Halbert Lake storage in context

Halbert Lake water level, past 12 months

75.5% full at the latest reading - across the past 12 months it ranged from 72.0% (September 30, 2026) to 83.7% (July 17, 2026). Percent full is storage against the 6,033-acre-foot capacity basis, not a share of the elevation plotted above.

Halbert Lake elevation, full record

75.5% full at the latest reading - across the storage record since April 15, 1999 it ranged from 25.4% (October 31, 2006) to 100.0% (June 12, 2025). Percent full is storage against the 6,033-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 Halbert Lake today?

As of October 23, 2026, Halbert Lake's surface elevation is 365.29 feet, with 4,552 acre-feet in storage - 75.5% of the 6,033 acre-foot capacity basis. Source: Water Data for Texas (TWDB) daily data.

How full is Halbert Lake?

Halbert Lake is 75.5% full as of October 23, 2026. Its storage is 106% of the October 23 average across its record since 1999. Source: Water Data for Texas (TWDB) daily data.

When was Halbert Lake last full?

Halbert Lake was last at or above 95% of its 6,033 acre-foot capacity basis on June 14, 2025. As of October 23, 2026 it is 75.5% full. Source: Water Data for Texas (TWDB) daily data.

Is Halbert Lake rising or falling?

Halbert Lake is falling: its elevation changed -0.14 feet over the week ending October 23, 2026, +0.33 ft over the past month, and -0.69 feet over the past year. Source: Water Data for Texas (TWDB) daily data.

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

Halbert Lake's lowest surface elevation in the daily record since April 15, 1999 was 357.76 feet on October 31, 2006, per the daily record used by this site. As of October 23, 2026 the reservoir is 7.53 feet above that record low.

About this gauge

Halbert Lake is a Texas water-supply reservoir in the Trinity River basin. Water Data for Texas publishes a conservation pool elevation of 1,950.0 ft and a conservation capacity of 6,033 acre-feet, with daily water level and storage recorded since 1999-04-15.

Operator

Texas Water Development Board (Water Data for Texas)

Station

halbert

Measurements

Daily water level and conservation storage

River

Trinity River

State

Texas

Full pool reference

1,950.0 ft

Capacity basis

6,033 acre-feet (Water Data for Texas (TWDB) conservation capacity)

Period of record

April 15, 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.

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