Red Bluff Reservoir Water Level Today - 2,814.47 ft, 44.9% Full

Rio Grande · Texas - updated daily from official gauges

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

• Red Bluff Reservoir is 44.9% full - low on this site's capacity scale - as of September 8, 2026. Surface elevation 2,814.47 feet, storage 65,150 acre-feet (capacity basis 145,165 acre-feet), per Texas Water Development Board data.
• That elevation is 20.09 feet above its record low of 2,794.38 ft (November 14, 2001), in a daily record going back to April 17, 1999 (TWDB's period of record for this reservoir).
• Storage is 100% of the September 8 average across 28 years of record.
• Red Bluff Reservoir is falling: elevation changed -0.36 ft over the past week, -0.79 ft over the past month, and -1.66 ft over the past year, per Texas Water Development Board data.

Red Bluff Reservoir has fallen 1.66 feet in twelve months, and now sits 20.09 feet above its record low.

Red Bluff Reservoir vs its record low

In the daily record used by this site (going back to April 17, 1999 (TWDB's period of record for this reservoir)), Red Bluff Reservoir's lowest surface elevation was 2,794.38 feet on November 14, 2001, when storage was 13,025 acre-feet. As of September 8, 2026, Red Bluff Reservoir is at 2,814.47 feet - 20.09 feet above that record. The record high in the same series was 2,832.31 ft on September 23, 2014.

Red Bluff Reservoir storage in context

Red Bluff Reservoir water level, past 12 months

44.9% full at the latest reading - across the past 12 months it ranged from 44.9% (September 8, 2026) to 57.3% (April 3, 2026). Percent full is storage against the 145,165-acre-foot capacity basis, not a share of the elevation plotted above.

Red Bluff Reservoir elevation, full record

44.9% full at the latest reading - across the storage record since February 1, 1937 it ranged from 7.5% (May 14, 1937) to 104.1% (October 3, 2014). Percent full is storage against the 145,165-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 Red Bluff Reservoir today?

As of September 8, 2026, Red Bluff Reservoir's surface elevation is 2,814.47 feet, with 65,150 acre-feet in storage - 44.9% of the 145,165 acre-foot capacity basis. Source: Water Data for Texas (TWDB) daily data.

How full is Red Bluff Reservoir?

Red Bluff Reservoir is 44.9% full as of September 8, 2026. Its storage is 100% of the September 8 average across its record since 1999. Source: Water Data for Texas (TWDB) daily data.

When was Red Bluff Reservoir last full?

Red Bluff Reservoir was last at or above 95% of its 145,165 acre-foot capacity basis on April 24, 2016. As of September 8, 2026 it is 44.9% full. Source: Water Data for Texas (TWDB) daily data.

Is Red Bluff Reservoir rising or falling?

Red Bluff Reservoir is falling: its elevation changed -0.36 feet over the week ending September 8, 2026, -0.79 ft over the past month, and -1.66 feet over the past year. Source: Water Data for Texas (TWDB) daily data.

What was Red Bluff Reservoir's lowest water level on record?

Red Bluff Reservoir's lowest surface elevation in the daily record since April 17, 1999 was 2,794.38 feet on November 14, 2001, per the daily record used by this site. As of September 8, 2026 the reservoir is 20.09 feet above that record low.

About this gauge

Red Bluff Reservoir is a Texas water-supply reservoir in the Rio Grande basin. Water Data for Texas publishes a conservation pool elevation of 2,022.0 ft and a conservation capacity of 145,165 acre-feet, with daily water level and storage recorded since 1937-02-01.

Operator

Texas Water Development Board (Water Data for Texas)

Station

red-bluff

Measurements

Daily water level and conservation storage

River

Rio Grande

State

Texas

Full pool reference

2,022.0 ft

Capacity basis

145,165 acre-feet (Water Data for Texas (TWDB) conservation capacity)

Period of record

April 17, 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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