Texas AI Docket
Texas Water Watch

Reservoir record

Lake Austin

Lake Austin is 97.3% full, holding 23,329 acre feet against a conservation capacity of 23,972 acre feet.

Updated September 5th, 2026

Percent full97.3%
Storage23,329AF
Conservation capacity23,972AF
Change today+47AF
Across the record+16AF
Recorded range95.7% to 98.0%
Record26days

Daily movement

The line follows every verified reading held for this reservoir.

95.3%96.8%98.4% 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% 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, 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.