Murvaul Lake Water Level Today - 264.18 ft, 90.2% Full

Sabine River · Texas - updated daily from official gauges

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

• Murvaul Lake is 90.2% full - high on this site's capacity scale - as of September 8, 2026. Surface elevation 264.18 feet, storage 34,515 acre-feet (capacity basis 38,285 acre-feet), per Texas Water Development Board data.
• That elevation is its lowest September reading since 2023, and 3.83 feet above its record low of 260.35 ft (November 7, 2011), in a daily record going back to April 8, 1999 (TWDB's period of record for this reservoir).
• Storage is 99% of the September 8 average across 27 years of record.
• Murvaul Lake is rising: elevation changed +0.03 ft over the past week, -0.51 ft over the past month, and -0.72 ft over the past year, per Texas Water Development Board data.

Murvaul Lake is holding near the top of its operating range at 90.2% of capacity, -0.72 ft over the past twelve months.

Murvaul Lake operating range

Murvaul Lake is operated within a narrow band rather than drawn down and refilled over years. As of September 8, 2026 it sits 1.12 feet below its 265.3 ft full-pool reference. Over the past two years the daily record ranges from 264.09 ft (October 29, 2024) to 267.44 ft (February 13, 2025) - a band of 3.35 feet. The highest reading in the full record is 269.17 ft on March 10, 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.

Murvaul Lake storage in context

Murvaul Lake water level, past 12 months

90.2% full at the latest reading - across the past 12 months it ranged from 89.9% (September 1, 2026) to 100.0% (July 3, 2026). Percent full is storage against the 38,285-acre-foot capacity basis, not a share of the elevation plotted above.

Murvaul Lake elevation, full record

90.2% full at the latest reading - across the storage record since April 8, 1999 it ranged from 60.3% (November 7, 2011) to 100.0% (July 3, 2026). Percent full is storage against the 38,285-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 Murvaul Lake today?

As of September 8, 2026, Murvaul Lake's surface elevation is 264.18 feet, with 34,515 acre-feet in storage - 90.2% of the 38,285 acre-foot capacity basis. Source: Water Data for Texas (TWDB) daily data.

How full is Murvaul Lake?

Murvaul Lake is 90.2% full as of September 8, 2026. Its storage is 99% of the September 8 average across its record since 1999. Source: Water Data for Texas (TWDB) daily data.

When was Murvaul Lake last full?

Murvaul Lake was last at or above 95% of its 38,285 acre-foot capacity basis on August 6, 2026. As of September 8, 2026 it is 90.2% full. Source: Water Data for Texas (TWDB) daily data.

Is Murvaul Lake rising or falling?

Murvaul Lake is rising: its elevation changed +0.03 feet over the week ending September 8, 2026, -0.51 ft over the past month, and -0.72 feet over the past year. Source: Water Data for Texas (TWDB) daily data.

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

Murvaul Lake's lowest surface elevation in the daily record since April 8, 1999 was 260.35 feet on November 7, 2011, per the daily record used by this site. As of September 8, 2026 the reservoir is 3.83 feet above that record low.

About this gauge

Murvaul Lake is a Texas water-supply reservoir in the Sabine River basin. Water Data for Texas publishes a conservation pool elevation of 265.3 ft and a conservation capacity of 38,285 acre-feet, with daily water level and storage recorded since 1999-04-08.

Operator

Texas Water Development Board (Water Data for Texas)

Station

murvaul

Measurements

Daily water level and conservation storage

River

Sabine River

State

Texas

Full pool reference

265.3 ft

Capacity basis

38,285 acre-feet (Water Data for Texas (TWDB) conservation capacity)

Period of record

April 8, 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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