Texas AI Docket
Texas Water Watch

Reservoir record

Amistad Reservoir

Amistad Reservoir is 39.2% full, holding 710,057 acre feet against a conservation capacity of 1,813,408 acre feet.

Updated September 5th, 2026

Percent full39.2%
Storage710,057AF
Conservation capacity1,813,408AF
Change today-230AF
Across the record+12,141AF
Recorded range38.0% to 39.2%
Record26days

Daily movement

The line follows every verified reading held for this reservoir.

37.8%38.6%39.4% August 11th, 2026, 38.5% fullAugust 12th, 2026, 38.5% fullAugust 13th, 2026, 38.5% fullAugust 14th, 2026, 38.4% fullAugust 15th, 2026, 38.4% fullAugust 16th, 2026, 38.4% fullAugust 17th, 2026, 38.4% fullAugust 18th, 2026, 38.3% fullAugust 19th, 2026, 38.3% fullAugust 20th, 2026, 38.4% fullAugust 21st, 2026, 38.3% fullAugust 22nd, 2026, 38.3% fullAugust 23rd, 2026, 38.3% fullAugust 24th, 2026, 38.3% fullAugust 25th, 2026, 38.3% fullAugust 26th, 2026, 38.3% fullAugust 27th, 2026, 38.2% fullAugust 28th, 2026, 38.2% fullAugust 29th, 2026, 38.2% fullAugust 30th, 2026, 38.1% fullAugust 31st, 2026, 38.1% fullSeptember 1st, 2026, 38.1% fullSeptember 2nd, 2026, 38.1% fullSeptember 3rd, 2026, 38.0% fullSeptember 4th, 2026, 39.2% fullSeptember 5th, 2026, 39.2% 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, 202639.2%710,057 AF-230 AF
September 4th, 202639.2%710,287 AF+20,197 AF
September 3rd, 202638.0%690,090 AF-317 AF
September 2nd, 202638.1%690,407 AF-406 AF
September 1st, 202638.1%690,813 AF-384 AF
August 31st, 202638.1%691,197 AF-460 AF
August 30th, 202638.1%691,657 AF-342 AF
August 29th, 202638.2%691,999 AF-336 AF
August 28th, 202638.2%692,335 AF-227 AF
August 27th, 202638.2%692,562 AF-1,679 AF
August 26th, 202638.3%694,241 AF-305 AF
August 25th, 202638.3%694,546 AF-379 AF
August 24th, 202638.3%694,925 AF-202 AF
August 23rd, 202638.3%695,127 AF-17 AF
August 22nd, 202638.3%695,144 AF+40 AF
August 21st, 202638.3%695,104 AF-573 AF
August 20th, 202638.4%695,677 AF+518 AF
August 19th, 202638.3%695,159 AF-81 AF
August 18th, 202638.3%695,240 AF-252 AF
August 17th, 202638.4%695,492 AF-338 AF
August 16th, 202638.4%695,830 AF-109 AF
August 15th, 202638.4%695,939 AF-256 AF
August 14th, 202638.4%696,195 AF-1,451 AF
August 13th, 202638.5%697,646 AF-180 AF
August 12th, 202638.5%697,826 AF-90 AF
August 11th, 202638.5%697,916 AFFirst reading

Every reading is available in the open water record.