Texas AI Docket
Texas Water Watch

Reservoir record

Sam Rayburn Reservoir

Sam Rayburn Reservoir is 62.1% full, holding 1,774,952 acre feet against a conservation capacity of 2,857,077 acre feet.

Updated October 20th, 2026

Percent full62.1%
Storage1,774,952AF
Conservation capacity2,857,077AF
Change today-4,103AF
Across the record-246,372AF
Recorded range62.1% to 70.8%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

60.6%66.4%72.3% 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% fullSeptember 6th, 2026, 67.1% fullSeptember 7th, 2026, 67.1% fullSeptember 8th, 2026, 67.0% fullSeptember 9th, 2026, 67.0% fullSeptember 10th, 2026, 66.9% fullSeptember 11th, 2026, 66.8% fullSeptember 12th, 2026, 66.7% fullSeptember 13th, 2026, 66.6% fullSeptember 14th, 2026, 66.5% fullSeptember 15th, 2026, 66.4% fullSeptember 16th, 2026, 66.2% fullSeptember 17th, 2026, 66.1% fullSeptember 18th, 2026, 66.0% fullSeptember 19th, 2026, 65.8% fullSeptember 20th, 2026, 65.7% fullSeptember 21st, 2026, 65.6% fullSeptember 22nd, 2026, 65.5% fullSeptember 23rd, 2026, 65.4% fullSeptember 24th, 2026, 65.2% fullSeptember 25th, 2026, 65.1% fullSeptember 26th, 2026, 65.0% fullSeptember 27th, 2026, 64.9% fullSeptember 28th, 2026, 64.7% fullSeptember 29th, 2026, 64.6% fullSeptember 30th, 2026, 64.5% fullOctober 1st, 2026, 64.4% fullOctober 2nd, 2026, 64.2% fullOctober 3rd, 2026, 64.2% fullOctober 4th, 2026, 64.1% fullOctober 5th, 2026, 64.0% fullOctober 6th, 2026, 63.9% fullOctober 7th, 2026, 63.8% fullOctober 8th, 2026, 63.7% fullOctober 9th, 2026, 63.5% fullOctober 10th, 2026, 63.4% fullOctober 11th, 2026, 63.3% fullOctober 12th, 2026, 63.2% fullOctober 13th, 2026, 63.2% fullOctober 14th, 2026, 62.9% fullOctober 15th, 2026, 62.8% fullOctober 16th, 2026, 62.6% fullOctober 17th, 2026, 62.6% fullOctober 18th, 2026, 62.4% fullOctober 19th, 2026, 62.3% fullOctober 20th, 2026, 62.1% fullAug 11thSep 15thOct 20th
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
October 20th, 202662.1%1,774,952 AF-4,103 AF
October 19th, 202662.3%1,779,055 AF-4,108 AF
October 18th, 202662.4%1,783,163 AF-4,938 AF
October 17th, 202662.6%1,788,101 AF-1,646 AF
October 16th, 202662.6%1,789,747 AF-3,301 AF
October 15th, 202662.8%1,793,048 AF-4,127 AF
October 14th, 202662.9%1,797,175 AF-7,444 AF
October 13th, 202663.2%1,804,619 AF0 AF
October 12th, 202663.2%1,804,619 AF-3,315 AF
October 11th, 202663.3%1,807,934 AF-3,319 AF
October 10th, 202663.4%1,811,253 AF-4,151 AF
October 9th, 202663.5%1,815,404 AF-3,328 AF
October 8th, 202663.7%1,818,732 AF-4,161 AF
October 7th, 202663.8%1,822,893 AF-3,338 AF
October 6th, 202663.9%1,826,231 AF-2,503 AF
October 5th, 202664.0%1,828,734 AF-2,504 AF
October 4th, 202664.1%1,831,238 AF-1,674 AF
October 3rd, 202664.2%1,832,912 AF-2,511 AF
October 2nd, 202664.2%1,835,423 AF-3,348 AF
October 1st, 202664.4%1,838,771 AF-3,354 AF
September 30th, 202664.5%1,842,125 AF-4,196 AF
September 29th, 202664.6%1,846,321 AF-3,362 AF
September 28th, 202664.7%1,849,683 AF-3,367 AF
September 27th, 202664.9%1,853,050 AF-3,367 AF
September 26th, 202665.0%1,856,417 AF-4,220 AF
September 25th, 202665.1%1,860,637 AF-3,376 AF
September 24th, 202665.2%1,864,013 AF-3,384 AF
September 23rd, 202665.4%1,867,397 AF-3,386 AF
September 22nd, 202665.5%1,870,783 AF-2,540 AF
September 21st, 202665.6%1,873,323 AF-3,396 AF
September 20th, 202665.7%1,876,719 AF-3,397 AF
September 19th, 202665.8%1,880,116 AF-4,253 AF
September 18th, 202666.0%1,884,369 AF-4,257 AF
September 17th, 202666.1%1,888,626 AF-3,412 AF
September 16th, 202666.2%1,892,038 AF-4,271 AF
September 15th, 202666.4%1,896,309 AF-3,420 AF
September 14th, 202666.5%1,899,729 AF-3,427 AF
September 13th, 202666.6%1,903,156 AF-2,570 AF
September 12th, 202666.7%1,905,726 AF-2,574 AF
September 11th, 202666.8%1,908,300 AF-2,579 AF
September 10th, 202666.9%1,910,879 AF-2,579 AF
September 9th, 202667.0%1,913,458 AF-1,719 AF
September 8th, 202667.0%1,915,177 AF-860 AF
September 7th, 202667.1%1,916,037 AF-862 AF
September 6th, 202667.1%1,916,899 AF-863 AF
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.