Texas AI Docket
Texas Water Watch

Reservoir record

E. V. Spence Reservoir

E. V. Spence Reservoir is 9.3% full, holding 48,178 acre feet against a conservation capacity of 517,272 acre feet.

Updated October 20th, 2026

Percent full9.3%
Storage48,178AF
Conservation capacity517,272AF
Change today+97AF
Across the record-5,644AF
Recorded range9.1% to 10.4%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

8.9%9.8%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% fullSeptember 6th, 2026, 9.8% fullSeptember 7th, 2026, 9.8% fullSeptember 8th, 2026, 9.8% fullSeptember 9th, 2026, 9.8% fullSeptember 10th, 2026, 9.7% fullSeptember 11th, 2026, 9.7% fullSeptember 12th, 2026, 9.7% fullSeptember 13th, 2026, 9.7% fullSeptember 14th, 2026, 9.7% fullSeptember 15th, 2026, 9.6% fullSeptember 16th, 2026, 9.6% fullSeptember 17th, 2026, 9.6% fullSeptember 18th, 2026, 9.5% fullSeptember 19th, 2026, 9.5% fullSeptember 20th, 2026, 9.5% fullSeptember 21st, 2026, 9.5% fullSeptember 22nd, 2026, 9.5% fullSeptember 23rd, 2026, 9.5% fullSeptember 24th, 2026, 9.4% fullSeptember 25th, 2026, 9.4% fullSeptember 26th, 2026, 9.4% fullSeptember 27th, 2026, 9.4% fullSeptember 28th, 2026, 9.4% fullSeptember 29th, 2026, 9.3% fullSeptember 30th, 2026, 9.3% fullOctober 1st, 2026, 9.3% fullOctober 2nd, 2026, 9.3% fullOctober 3rd, 2026, 9.3% fullOctober 4th, 2026, 9.3% fullOctober 5th, 2026, 9.3% fullOctober 6th, 2026, 9.3% fullOctober 7th, 2026, 9.2% fullOctober 8th, 2026, 9.2% fullOctober 9th, 2026, 9.2% fullOctober 10th, 2026, 9.2% fullOctober 11th, 2026, 9.2% fullOctober 12th, 2026, 9.2% fullOctober 13th, 2026, 9.1% fullOctober 14th, 2026, 9.1% fullOctober 15th, 2026, 9.1% fullOctober 16th, 2026, 9.1% fullOctober 17th, 2026, 9.1% fullOctober 18th, 2026, 9.3% fullOctober 19th, 2026, 9.3% fullOctober 20th, 2026, 9.3% 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, 20269.3%48,178 AF+97 AF
October 19th, 20269.3%48,081 AF+193 AF
October 18th, 20269.3%47,888 AF+671 AF
October 17th, 20269.1%47,217 AF+31 AF
October 16th, 20269.1%47,186 AF-31 AF
October 15th, 20269.1%47,217 AF0 AF
October 14th, 20269.1%47,217 AF-64 AF
October 13th, 20269.1%47,281 AF-96 AF
October 12th, 20269.2%47,377 AF-127 AF
October 11th, 20269.2%47,504 AF-128 AF
October 10th, 20269.2%47,632 AF-96 AF
October 9th, 20269.2%47,728 AF-64 AF
October 8th, 20269.2%47,792 AF-32 AF
October 7th, 20269.2%47,824 AF-64 AF
October 6th, 20269.3%47,888 AF-65 AF
October 5th, 20269.3%47,953 AF-32 AF
October 4th, 20269.3%47,985 AF-64 AF
October 3rd, 20269.3%48,049 AF-64 AF
October 2nd, 20269.3%48,113 AF-129 AF
October 1st, 20269.3%48,242 AF+64 AF
September 30th, 20269.3%48,178 AF-161 AF
September 29th, 20269.3%48,339 AF-97 AF
September 28th, 20269.4%48,436 AF-97 AF
September 27th, 20269.4%48,533 AF-97 AF
September 26th, 20269.4%48,630 AF-130 AF
September 25th, 20269.4%48,760 AF-130 AF
September 24th, 20269.4%48,890 AF-98 AF
September 23rd, 20269.5%48,988 AF-32 AF
September 22nd, 20269.5%49,020 AF-131 AF
September 21st, 20269.5%49,151 AF-98 AF
September 20th, 20269.5%49,249 AF-32 AF
September 19th, 20269.5%49,281 AF-66 AF
September 18th, 20269.5%49,347 AF-65 AF
September 17th, 20269.6%49,412 AF-164 AF
September 16th, 20269.6%49,576 AF-131 AF
September 15th, 20269.6%49,707 AF-198 AF
September 14th, 20269.7%49,905 AF-132 AF
September 13th, 20269.7%50,037 AF-165 AF
September 12th, 20269.7%50,202 AF-99 AF
September 11th, 20269.7%50,301 AF-100 AF
September 10th, 20269.7%50,401 AF-133 AF
September 9th, 20269.8%50,534 AF-133 AF
September 8th, 20269.8%50,667 AF-66 AF
September 7th, 20269.8%50,733 AF-100 AF
September 6th, 20269.8%50,833 AF-33 AF
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.