Lake Arrowhead Water Level Today - 921.16 ft, 72.1% Full

Red River · Texas - updated daily from official gauges

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

• Lake Arrowhead is 72.1% full - moderate on this site's capacity scale - as of September 8, 2026. Surface elevation 921.16 feet, storage 166,192 acre-feet (capacity basis 230,359 acre-feet), per Texas Water Development Board data.
• That elevation is 14.90 feet above its record low of 906.26 ft (November 20, 2014), in a daily record going back to October 2, 1996 (TWDB's period of record for this reservoir).
• Storage is 101% of the September 8 average across 30 years of record.
• Lake Arrowhead is falling: elevation changed -0.17 ft over the past week, -0.88 ft over the past month, and -3.46 ft over the past year, per Texas Water Development Board data.

Lake Arrowhead has fallen 3.46 feet in twelve months, and now sits 14.90 feet above its record low.

Lake Arrowhead vs its record low

In the daily record used by this site (going back to October 2, 1996 (TWDB's period of record for this reservoir)), Lake Arrowhead's lowest surface elevation was 906.26 feet on November 20, 2014, when storage was 43,213 acre-feet. As of September 8, 2026, Lake Arrowhead is at 921.16 feet - 14.90 feet above that record. The record high in the same series was 927.58 ft on June 18, 2015.

Lake Arrowhead storage in context

Lake Arrowhead water level, past 12 months

72.1% full at the latest reading - across the past 12 months it ranged from 72.1% (September 8, 2026) to 91.5% (September 8, 2025). Percent full is storage against the 230,359-acre-foot capacity basis, not a share of the elevation plotted above.

Lake Arrowhead elevation, full record

72.1% full at the latest reading - across the storage record since June 2, 1967 it ranged from 0.0% (June 2, 1967) to 102.4% (August 9, 2007). Percent full is storage against the 230,359-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 Lake Arrowhead today?

As of September 8, 2026, Lake Arrowhead's surface elevation is 921.16 feet, with 166,192 acre-feet in storage - 72.1% of the 230,359 acre-foot capacity basis. Source: Water Data for Texas (TWDB) daily data.

How full is Lake Arrowhead?

Lake Arrowhead is 72.1% full as of September 8, 2026. Its storage is 101% of the September 8 average across its record since 1996. Source: Water Data for Texas (TWDB) daily data.

When was Lake Arrowhead last full?

Lake Arrowhead was last at or above 95% of its 230,359 acre-foot capacity basis on July 27, 2025. As of September 8, 2026 it is 72.1% full. Source: Water Data for Texas (TWDB) daily data.

Is Lake Arrowhead rising or falling?

Lake Arrowhead is falling: its elevation changed -0.17 feet over the week ending September 8, 2026, -0.88 ft over the past month, and -3.46 feet over the past year. Source: Water Data for Texas (TWDB) daily data.

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

Lake Arrowhead's lowest surface elevation in the daily record since October 2, 1996 was 906.26 feet on November 20, 2014, per the daily record used by this site. As of September 8, 2026 the reservoir is 14.90 feet above that record low.

About this gauge

Lake Arrowhead is a Texas water-supply reservoir in the Red River basin. Water Data for Texas publishes a conservation pool elevation of 926.0 ft and a conservation capacity of 230,359 acre-feet, with daily water level and storage recorded since 1967-06-02.

Operator

Texas Water Development Board (Water Data for Texas)

Station

arrowhead

Measurements

Daily water level and conservation storage

River

Red River

State

Texas

Full pool reference

926.0 ft

Capacity basis

230,359 acre-feet (Water Data for Texas (TWDB) conservation capacity)

Period of record

October 2, 1996 (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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