Reservoir record
Lake Buchanan
Lake Buchanan is 97.2% full, holding 842,575 acre feet against a conservation capacity of 866,694 acre feet.
Updated September 5th, 2026
Percent full97.2%
Storage842,575AF
Conservation capacity866,694AF
Change today-222AF
Across the record-15,381AF
Recorded range97.2% to 99.0%
Record26days
Daily movement
The line follows every verified reading held for this reservoir.
The readings
Daily movement appears only when the previous reading is from the prior calendar day.
| Date | Percent full | Storage | Daily movement |
|---|---|---|---|
| September 5th, 2026 | 97.2% | 842,575 AF | -222 AF |
| September 4th, 2026 | 97.2% | 842,797 AF | -889 AF |
| September 3rd, 2026 | 97.3% | 843,686 AF | -667 AF |
| September 2nd, 2026 | 97.4% | 844,353 AF | -667 AF |
| September 1st, 2026 | 97.5% | 845,020 AF | -668 AF |
| August 31st, 2026 | 97.6% | 845,688 AF | -667 AF |
| August 30th, 2026 | 97.7% | 846,355 AF | -668 AF |
| August 29th, 2026 | 97.7% | 847,023 AF | -445 AF |
| August 28th, 2026 | 97.8% | 847,468 AF | +2,003 AF |
| August 27th, 2026 | 97.5% | 845,465 AF | -445 AF |
| August 26th, 2026 | 97.6% | 845,910 AF | -668 AF |
| August 25th, 2026 | 97.7% | 846,578 AF | -1,336 AF |
| August 24th, 2026 | 97.8% | 847,914 AF | -668 AF |
| August 23rd, 2026 | 97.9% | 848,582 AF | -891 AF |
| August 22nd, 2026 | 98.0% | 849,473 AF | -446 AF |
| August 21st, 2026 | 98.1% | 849,919 AF | -892 AF |
| August 20th, 2026 | 98.2% | 850,811 AF | -1,115 AF |
| August 19th, 2026 | 98.3% | 851,926 AF | -669 AF |
| August 18th, 2026 | 98.4% | 852,595 AF | -893 AF |
| August 17th, 2026 | 98.5% | 853,488 AF | -446 AF |
| August 16th, 2026 | 98.5% | 853,934 AF | -893 AF |
| August 15th, 2026 | 98.6% | 854,827 AF | -670 AF |
| August 14th, 2026 | 98.7% | 855,497 AF | -1,341 AF |
| August 13th, 2026 | 98.9% | 856,838 AF | -894 AF |
| August 12th, 2026 | 99.0% | 857,732 AF | -224 AF |
| August 11th, 2026 | 99.0% | 857,956 AF | First reading |
Every reading is available in the open water record.