Texas AI Docket
Texas Water Watch

Reservoir record

Lake Buchanan

Lake Buchanan is 95.8% full, holding 830,380 acre feet against a conservation capacity of 866,694 acre feet.

Updated October 20th, 2026

Percent full95.8%
Storage830,380AF
Conservation capacity866,694AF
Change today-221AF
Across the record-27,576AF
Recorded range95.6% to 99.0%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

95.0%97.3%99.6% August 11th, 2026, 99.0% fullAugust 12th, 2026, 99.0% fullAugust 13th, 2026, 98.9% fullAugust 14th, 2026, 98.7% fullAugust 15th, 2026, 98.6% fullAugust 16th, 2026, 98.5% fullAugust 17th, 2026, 98.5% fullAugust 18th, 2026, 98.4% fullAugust 19th, 2026, 98.3% fullAugust 20th, 2026, 98.2% fullAugust 21st, 2026, 98.1% fullAugust 22nd, 2026, 98.0% fullAugust 23rd, 2026, 97.9% fullAugust 24th, 2026, 97.8% fullAugust 25th, 2026, 97.7% fullAugust 26th, 2026, 97.6% fullAugust 27th, 2026, 97.5% fullAugust 28th, 2026, 97.8% fullAugust 29th, 2026, 97.7% fullAugust 30th, 2026, 97.7% fullAugust 31st, 2026, 97.6% fullSeptember 1st, 2026, 97.5% fullSeptember 2nd, 2026, 97.4% fullSeptember 3rd, 2026, 97.3% fullSeptember 4th, 2026, 97.2% fullSeptember 5th, 2026, 97.2% fullSeptember 6th, 2026, 97.1% fullSeptember 7th, 2026, 97.1% fullSeptember 8th, 2026, 97.0% fullSeptember 9th, 2026, 96.9% fullSeptember 10th, 2026, 96.9% fullSeptember 11th, 2026, 96.8% fullSeptember 12th, 2026, 96.7% fullSeptember 13th, 2026, 96.6% fullSeptember 14th, 2026, 96.5% fullSeptember 15th, 2026, 96.5% fullSeptember 16th, 2026, 96.4% fullSeptember 17th, 2026, 96.3% fullSeptember 18th, 2026, 96.3% fullSeptember 19th, 2026, 96.2% fullSeptember 20th, 2026, 96.1% fullSeptember 21st, 2026, 96.1% fullSeptember 22nd, 2026, 96.1% fullSeptember 23rd, 2026, 96.0% fullSeptember 24th, 2026, 96.0% fullSeptember 25th, 2026, 95.9% fullSeptember 26th, 2026, 95.8% fullSeptember 27th, 2026, 95.8% fullSeptember 28th, 2026, 95.8% fullSeptember 29th, 2026, 95.7% fullSeptember 30th, 2026, 95.6% fullOctober 1st, 2026, 95.7% fullOctober 2nd, 2026, 96.1% fullOctober 3rd, 2026, 96.2% fullOctober 4th, 2026, 96.2% fullOctober 5th, 2026, 96.3% fullOctober 6th, 2026, 96.3% fullOctober 7th, 2026, 96.3% fullOctober 8th, 2026, 96.3% fullOctober 9th, 2026, 96.3% fullOctober 10th, 2026, 96.3% fullOctober 11th, 2026, 96.2% fullOctober 12th, 2026, 96.2% fullOctober 13th, 2026, 96.2% fullOctober 14th, 2026, 96.2% fullOctober 15th, 2026, 96.2% fullOctober 16th, 2026, 96.2% fullOctober 17th, 2026, 96.0% fullOctober 18th, 2026, 95.9% fullOctober 19th, 2026, 95.8% fullOctober 20th, 2026, 95.8% 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, 202695.8%830,380 AF-221 AF
October 19th, 202695.8%830,601 AF-222 AF
October 18th, 202695.9%830,823 AF-1,327 AF
October 17th, 202696.0%832,150 AF-1,993 AF
October 16th, 202696.2%834,143 AF+664 AF
October 15th, 202696.2%833,479 AF0 AF
October 14th, 202696.2%833,479 AF-221 AF
October 13th, 202696.2%833,700 AF0 AF
October 12th, 202696.2%833,700 AF-222 AF
October 11th, 202696.2%833,922 AF-443 AF
October 10th, 202696.3%834,365 AF-222 AF
October 9th, 202696.3%834,587 AF0 AF
October 8th, 202696.3%834,587 AF-221 AF
October 7th, 202696.3%834,808 AF-222 AF
October 6th, 202696.3%835,030 AF+222 AF
October 5th, 202696.3%834,808 AF+1,108 AF
October 4th, 202696.2%833,700 AF+221 AF
October 3rd, 202696.2%833,479 AF+221 AF
October 2nd, 202696.1%833,258 AF+3,541 AF
October 1st, 202695.7%829,717 AF+1,327 AF
September 30th, 202695.6%828,390 AF-884 AF
September 29th, 202695.7%829,274 AF-885 AF
September 28th, 202695.8%830,159 AF+221 AF
September 27th, 202695.8%829,938 AF-663 AF
September 26th, 202695.8%830,601 AF-664 AF
September 25th, 202695.9%831,265 AF-664 AF
September 24th, 202696.0%831,929 AF-221 AF
September 23rd, 202696.0%832,150 AF-665 AF
September 22nd, 202696.1%832,815 AF-443 AF
September 21st, 202696.1%833,258 AF+222 AF
September 20th, 202696.1%833,036 AF-664 AF
September 19th, 202696.2%833,700 AF-665 AF
September 18th, 202696.3%834,365 AF-222 AF
September 17th, 202696.3%834,587 AF-664 AF
September 16th, 202696.4%835,251 AF-665 AF
September 15th, 202696.5%835,916 AF-887 AF
September 14th, 202696.5%836,803 AF-665 AF
September 13th, 202696.6%837,468 AF-888 AF
September 12th, 202696.7%838,356 AF-665 AF
September 11th, 202696.8%839,021 AF-666 AF
September 10th, 202696.9%839,687 AF-444 AF
September 9th, 202696.9%840,131 AF-888 AF
September 8th, 202697.0%841,019 AF-667 AF
September 7th, 202697.1%841,686 AF-222 AF
September 6th, 202697.1%841,908 AF-667 AF
September 5th, 202697.2%842,575 AF-222 AF
September 4th, 202697.2%842,797 AF-889 AF
September 3rd, 202697.3%843,686 AF-667 AF
September 2nd, 202697.4%844,353 AF-667 AF
September 1st, 202697.5%845,020 AF-668 AF
August 31st, 202697.6%845,688 AF-667 AF
August 30th, 202697.7%846,355 AF-668 AF
August 29th, 202697.7%847,023 AF-445 AF
August 28th, 202697.8%847,468 AF+2,003 AF
August 27th, 202697.5%845,465 AF-445 AF
August 26th, 202697.6%845,910 AF-668 AF
August 25th, 202697.7%846,578 AF-1,336 AF
August 24th, 202697.8%847,914 AF-668 AF
August 23rd, 202697.9%848,582 AF-891 AF
August 22nd, 202698.0%849,473 AF-446 AF
August 21st, 202698.1%849,919 AF-892 AF
August 20th, 202698.2%850,811 AF-1,115 AF
August 19th, 202698.3%851,926 AF-669 AF
August 18th, 202698.4%852,595 AF-893 AF
August 17th, 202698.5%853,488 AF-446 AF
August 16th, 202698.5%853,934 AF-893 AF
August 15th, 202698.6%854,827 AF-670 AF
August 14th, 202698.7%855,497 AF-1,341 AF
August 13th, 202698.9%856,838 AF-894 AF
August 12th, 202699.0%857,732 AF-224 AF
August 11th, 202699.0%857,956 AFFirst reading

Every reading is available in the open water record.