Texas AI Docket
Texas Water Watch

Reservoir record

Sam Rayburn Reservoir

Sam Rayburn Reservoir is 67.1% full, holding 1,917,762 acre feet against a conservation capacity of 2,857,077 acre feet.

Updated September 5th, 2026

Percent full67.1%
Storage1,917,762AF
Conservation capacity2,857,077AF
Change today-2,587AF
Across the record-103,562AF
Recorded range67.1% to 70.8%
Record26days

Daily movement

The line follows every verified reading held for this reservoir.

66.5%68.9%71.4% August 11th, 2026, 70.8% fullAugust 12th, 2026, 70.7% fullAugust 13th, 2026, 70.5% fullAugust 14th, 2026, 70.3% fullAugust 15th, 2026, 70.2% fullAugust 16th, 2026, 70.0% fullAugust 17th, 2026, 69.8% fullAugust 18th, 2026, 69.7% fullAugust 19th, 2026, 69.5% fullAugust 20th, 2026, 69.3% fullAugust 21st, 2026, 69.2% fullAugust 22nd, 2026, 69.0% fullAugust 23rd, 2026, 68.9% fullAugust 24th, 2026, 68.7% fullAugust 25th, 2026, 68.6% fullAugust 26th, 2026, 68.5% fullAugust 27th, 2026, 68.3% fullAugust 28th, 2026, 68.1% fullAugust 29th, 2026, 68.0% fullAugust 30th, 2026, 67.9% fullAugust 31st, 2026, 67.7% fullSeptember 1st, 2026, 67.6% fullSeptember 2nd, 2026, 67.4% fullSeptember 3rd, 2026, 67.3% fullSeptember 4th, 2026, 67.2% fullSeptember 5th, 2026, 67.1% fullAug 11thAug 24thSep 5th
Daily percent full. The vertical scale follows this record's own range instead of starting at zero, so its movement stays visible without changing the measurement.

The readings

Daily movement appears only when the previous reading is from the prior calendar day.

DatePercent fullStorageDaily movement
September 5th, 202667.1%1,917,762 AF-2,587 AF
September 4th, 202667.2%1,920,349 AF-2,586 AF
September 3rd, 202667.3%1,922,935 AF-3,455 AF
September 2nd, 202667.4%1,926,390 AF-4,324 AF
September 1st, 202667.6%1,930,714 AF-4,331 AF
August 31st, 202667.7%1,935,045 AF-4,339 AF
August 30th, 202667.9%1,939,384 AF-3,473 AF
August 29th, 202668.0%1,942,857 AF-3,481 AF
August 28th, 202668.1%1,946,338 AF-4,352 AF
August 27th, 202668.3%1,950,690 AF-5,239 AF
August 26th, 202668.5%1,955,929 AF-3,493 AF
August 25th, 202668.6%1,959,422 AF-4,380 AF
August 24th, 202668.7%1,963,802 AF-3,503 AF
August 23rd, 202668.9%1,967,305 AF-4,390 AF
August 22nd, 202669.0%1,971,695 AF-4,393 AF
August 21st, 202669.2%1,976,088 AF-4,405 AF
August 20th, 202669.3%1,980,493 AF-5,289 AF
August 19th, 202669.5%1,985,782 AF-4,421 AF
August 18th, 202669.7%1,990,203 AF-4,421 AF
August 17th, 202669.8%1,994,624 AF-4,436 AF
August 16th, 202670.0%1,999,060 AF-5,326 AF
August 15th, 202670.2%2,004,386 AF-4,450 AF
August 14th, 202670.3%2,008,836 AF-4,453 AF
August 13th, 202670.5%2,013,289 AF-5,357 AF
August 12th, 202670.7%2,018,646 AF-2,678 AF
August 11th, 202670.8%2,021,324 AFFirst reading

Every reading is available in the open water record.