Texas AI Docket
Texas Water Watch

Reservoir record

E. V. Spence Reservoir

E. V. Spence Reservoir is 9.8% full, holding 50,866 acre feet against a conservation capacity of 517,272 acre feet.

Updated September 5th, 2026

Percent full9.8%
Storage50,866AF
Conservation capacity517,272AF
Change today+332AF
Across the record-2,956AF
Recorded range9.8% to 10.4%
Record26days

Daily movement

The line follows every verified reading held for this reservoir.

9.6%10.1%10.6% August 11th, 2026, 10.4% fullAugust 12th, 2026, 10.4% fullAugust 13th, 2026, 10.3% fullAugust 14th, 2026, 10.3% fullAugust 15th, 2026, 10.3% fullAugust 16th, 2026, 10.2% fullAugust 17th, 2026, 10.2% fullAugust 18th, 2026, 10.2% fullAugust 19th, 2026, 10.2% fullAugust 20th, 2026, 10.2% fullAugust 21st, 2026, 10.1% fullAugust 22nd, 2026, 10.1% fullAugust 23rd, 2026, 10.1% fullAugust 24th, 2026, 10.1% fullAugust 25th, 2026, 10.0% fullAugust 26th, 2026, 10.0% fullAugust 27th, 2026, 10.0% fullAugust 28th, 2026, 10.0% fullAugust 29th, 2026, 9.9% fullAugust 30th, 2026, 9.9% fullAugust 31st, 2026, 9.9% fullSeptember 1st, 2026, 9.8% fullSeptember 2nd, 2026, 9.8% fullSeptember 3rd, 2026, 9.8% fullSeptember 4th, 2026, 9.8% fullSeptember 5th, 2026, 9.8% 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, 20269.8%50,866 AF+332 AF
September 4th, 20269.8%50,534 AF-133 AF
September 3rd, 20269.8%50,667 AF-133 AF
September 2nd, 20269.8%50,800 AF-133 AF
September 1st, 20269.8%50,933 AF-167 AF
August 31st, 20269.9%51,100 AF-134 AF
August 30th, 20269.9%51,234 AF-134 AF
August 29th, 20269.9%51,368 AF-134 AF
August 28th, 202610.0%51,502 AF-135 AF
August 27th, 202610.0%51,637 AF-168 AF
August 26th, 202610.0%51,805 AF-101 AF
August 25th, 202610.0%51,906 AF-136 AF
August 24th, 202610.1%52,042 AF-101 AF
August 23rd, 202610.1%52,143 AF-136 AF
August 22nd, 202610.1%52,279 AF-136 AF
August 21st, 202610.1%52,415 AF-136 AF
August 20th, 202610.2%52,551 AF-102 AF
August 19th, 202610.2%52,653 AF-137 AF
August 18th, 202610.2%52,790 AF-102 AF
August 17th, 202610.2%52,892 AF-137 AF
August 16th, 202610.2%53,029 AF-137 AF
August 15th, 202610.3%53,166 AF-172 AF
August 14th, 202610.3%53,338 AF-138 AF
August 13th, 202610.3%53,476 AF-207 AF
August 12th, 202610.4%53,683 AF-139 AF
August 11th, 202610.4%53,822 AFFirst reading

Every reading is available in the open water record.