Texas AI Docket
Texas Water Watch

Reservoir record

Lake Austin

Lake Austin is 95.8% full, holding 22,972 acre feet against a conservation capacity of 23,972 acre feet.

Updated October 20th, 2026

Percent full95.8%
Storage22,972AF
Conservation capacity23,972AF
Change today+138AF
Across the record-341AF
Recorded range94.9% to 98.6%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

94.3%96.8%99.3% August 11th, 2026, 97.2% fullAugust 12th, 2026, 97.2% fullAugust 13th, 2026, 96.7% fullAugust 14th, 2026, 96.7% fullAugust 15th, 2026, 96.4% fullAugust 16th, 2026, 96.2% fullAugust 17th, 2026, 96.6% fullAugust 18th, 2026, 96.1% fullAugust 19th, 2026, 96.1% fullAugust 20th, 2026, 95.7% fullAugust 21st, 2026, 96.2% fullAugust 22nd, 2026, 96.7% fullAugust 23rd, 2026, 96.9% fullAugust 24th, 2026, 97.1% fullAugust 25th, 2026, 97.2% fullAugust 26th, 2026, 97.2% fullAugust 27th, 2026, 95.7% fullAugust 28th, 2026, 96.6% fullAugust 29th, 2026, 97.0% fullAugust 30th, 2026, 97.1% fullAugust 31st, 2026, 98.0% fullSeptember 1st, 2026, 97.2% fullSeptember 2nd, 2026, 97.3% fullSeptember 3rd, 2026, 96.7% fullSeptember 4th, 2026, 97.1% fullSeptember 5th, 2026, 97.3% fullSeptember 6th, 2026, 98.2% fullSeptember 7th, 2026, 97.8% fullSeptember 8th, 2026, 98.6% fullSeptember 9th, 2026, 97.4% fullSeptember 10th, 2026, 97.2% fullSeptember 11th, 2026, 97.2% fullSeptember 12th, 2026, 98.0% fullSeptember 13th, 2026, 98.2% fullSeptember 14th, 2026, 97.8% fullSeptember 15th, 2026, 97.3% fullSeptember 16th, 2026, 97.1% fullSeptember 17th, 2026, 97.0% fullSeptember 18th, 2026, 97.0% fullSeptember 19th, 2026, 96.8% fullSeptember 20th, 2026, 97.1% fullSeptember 21st, 2026, 97.8% fullSeptember 22nd, 2026, 97.3% fullSeptember 23rd, 2026, 96.5% fullSeptember 24th, 2026, 96.7% fullSeptember 25th, 2026, 96.5% fullSeptember 26th, 2026, 96.5% fullSeptember 27th, 2026, 96.7% fullSeptember 28th, 2026, 96.7% fullSeptember 29th, 2026, 96.2% fullSeptember 30th, 2026, 96.6% fullOctober 1st, 2026, 96.9% fullOctober 2nd, 2026, 94.9% fullOctober 3rd, 2026, 95.8% fullOctober 4th, 2026, 96.3% fullOctober 5th, 2026, 96.9% fullOctober 6th, 2026, 96.5% fullOctober 7th, 2026, 96.0% fullOctober 8th, 2026, 96.1% fullOctober 9th, 2026, 96.3% fullOctober 10th, 2026, 96.2% fullOctober 11th, 2026, 96.3% fullOctober 12th, 2026, 96.9% fullOctober 13th, 2026, 96.9% fullOctober 14th, 2026, 96.3% fullOctober 15th, 2026, 96.2% fullOctober 16th, 2026, 97.1% fullOctober 17th, 2026, 97.3% fullOctober 18th, 2026, 96.7% fullOctober 19th, 2026, 95.2% 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%22,972 AF+138 AF
October 19th, 202695.2%22,834 AF-340 AF
October 18th, 202696.7%23,174 AF-155 AF
October 17th, 202697.3%23,329 AF+47 AF
October 16th, 202697.1%23,282 AF+217 AF
October 15th, 202696.2%23,065 AF-31 AF
October 14th, 202696.3%23,096 AF-140 AF
October 13th, 202696.9%23,236 AF0 AF
October 12th, 202696.9%23,236 AF+155 AF
October 11th, 202696.3%23,081 AF+16 AF
October 10th, 202696.2%23,065 AF-31 AF
October 9th, 202696.3%23,096 AF+62 AF
October 8th, 202696.1%23,034 AF+31 AF
October 7th, 202696.0%23,003 AF-140 AF
October 6th, 202696.5%23,143 AF-93 AF
October 5th, 202696.9%23,236 AF+140 AF
October 4th, 202696.3%23,096 AF+124 AF
October 3rd, 202695.8%22,972 AF+215 AF
October 2nd, 202694.9%22,757 AF-479 AF
October 1st, 202696.9%23,236 AF+78 AF
September 30th, 202696.6%23,158 AF+93 AF
September 29th, 202696.2%23,065 AF-109 AF
September 28th, 202696.7%23,174 AF0 AF
September 27th, 202696.7%23,174 AF+47 AF
September 26th, 202696.5%23,127 AF-16 AF
September 25th, 202696.5%23,143 AF-46 AF
September 24th, 202696.7%23,189 AF+62 AF
September 23rd, 202696.5%23,127 AF-202 AF
September 22nd, 202697.3%23,329 AF-109 AF
September 21st, 202697.8%23,438 AF+171 AF
September 20th, 202697.1%23,267 AF+62 AF
September 19th, 202696.8%23,205 AF-46 AF
September 18th, 202697.0%23,251 AF0 AF
September 17th, 202697.0%23,251 AF-31 AF
September 16th, 202697.1%23,282 AF-47 AF
September 15th, 202697.3%23,329 AF-125 AF
September 14th, 202697.8%23,454 AF-78 AF
September 13th, 202698.2%23,532 AF+47 AF
September 12th, 202698.0%23,485 AF+172 AF
September 11th, 202697.2%23,313 AF0 AF
September 10th, 202697.2%23,313 AF-31 AF
September 9th, 202697.4%23,344 AF-297 AF
September 8th, 202698.6%23,641 AF+187 AF
September 7th, 202697.8%23,454 AF-78 AF
September 6th, 202698.2%23,532 AF+203 AF
September 5th, 202697.3%23,329 AF+47 AF
September 4th, 202697.1%23,282 AF+108 AF
September 3rd, 202696.7%23,174 AF-155 AF
September 2nd, 202697.3%23,329 AF+16 AF
September 1st, 202697.2%23,313 AF-172 AF
August 31st, 202698.0%23,485 AF+218 AF
August 30th, 202697.1%23,267 AF+16 AF
August 29th, 202697.0%23,251 AF+93 AF
August 28th, 202696.6%23,158 AF+216 AF
August 27th, 202695.7%22,942 AF-356 AF
August 26th, 202697.2%23,298 AF-15 AF
August 25th, 202697.2%23,313 AF+31 AF
August 24th, 202697.1%23,282 AF+62 AF
August 23rd, 202696.9%23,220 AF+31 AF
August 22nd, 202696.7%23,189 AF+124 AF
August 21st, 202696.2%23,065 AF+123 AF
August 20th, 202695.7%22,942 AF-92 AF
August 19th, 202696.1%23,034 AF0 AF
August 18th, 202696.1%23,034 AF-124 AF
August 17th, 202696.6%23,158 AF+93 AF
August 16th, 202696.2%23,065 AF-47 AF
August 15th, 202696.4%23,112 AF-62 AF
August 14th, 202696.7%23,174 AF0 AF
August 13th, 202696.7%23,174 AF-139 AF
August 12th, 202697.2%23,313 AF0 AF
August 11th, 202697.2%23,313 AFFirst reading

Every reading is available in the open water record.