Texas AI Docket
Texas Water Watch

Reservoir record

Lake Marble Falls

Lake Marble Falls is 98.2% full, holding 7,463 acre feet against a conservation capacity of 7,597 acre feet.

Updated October 20th, 2026

Percent full98.2%
Storage7,463AF
Conservation capacity7,597AF
Change today+134AF
Across the record+278AF
Recorded range92.7% to 99.1%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

91.5%95.8%100.0% August 11th, 2026, 94.6% fullAugust 12th, 2026, 94.6% fullAugust 13th, 2026, 94.8% fullAugust 14th, 2026, 95.9% fullAugust 15th, 2026, 95.4% fullAugust 16th, 2026, 94.9% fullAugust 17th, 2026, 94.6% fullAugust 18th, 2026, 94.3% fullAugust 19th, 2026, 93.9% fullAugust 20th, 2026, 97.0% fullAugust 21st, 2026, 97.8% fullAugust 22nd, 2026, 97.0% fullAugust 23rd, 2026, 96.9% fullAugust 24th, 2026, 97.1% fullAugust 25th, 2026, 97.0% fullAugust 26th, 2026, 96.4% fullAugust 27th, 2026, 95.7% fullAugust 28th, 2026, 96.1% fullAugust 29th, 2026, 96.8% fullAugust 30th, 2026, 97.0% fullAugust 31st, 2026, 96.9% fullSeptember 1st, 2026, 96.8% fullSeptember 2nd, 2026, 95.5% fullSeptember 3rd, 2026, 94.3% fullSeptember 4th, 2026, 96.5% fullSeptember 5th, 2026, 96.3% fullSeptember 6th, 2026, 96.2% fullSeptember 7th, 2026, 95.8% fullSeptember 8th, 2026, 95.6% fullSeptember 9th, 2026, 96.1% fullSeptember 10th, 2026, 96.4% fullSeptember 11th, 2026, 96.6% fullSeptember 12th, 2026, 96.5% fullSeptember 13th, 2026, 96.5% fullSeptember 14th, 2026, 96.2% fullSeptember 15th, 2026, 98.2% fullSeptember 16th, 2026, 97.9% fullSeptember 17th, 2026, 97.4% fullSeptember 18th, 2026, 96.7% fullSeptember 19th, 2026, 96.4% fullSeptember 20th, 2026, 98.5% fullSeptember 21st, 2026, 98.0% fullSeptember 22nd, 2026, 98.1% fullSeptember 23rd, 2026, 98.1% fullSeptember 24th, 2026, 97.4% fullSeptember 25th, 2026, 98.3% fullSeptember 26th, 2026, 99.1% fullSeptember 27th, 2026, 98.6% fullSeptember 28th, 2026, 98.5% fullSeptember 29th, 2026, 98.5% fullSeptember 30th, 2026, 98.1% fullOctober 1st, 2026, 93.9% fullOctober 2nd, 2026, 95.1% fullOctober 3rd, 2026, 92.7% fullOctober 4th, 2026, 94.6% fullOctober 5th, 2026, 94.7% fullOctober 6th, 2026, 98.5% fullOctober 7th, 2026, 99.1% fullOctober 8th, 2026, 97.3% fullOctober 9th, 2026, 97.7% fullOctober 10th, 2026, 98.3% fullOctober 11th, 2026, 99.0% fullOctober 12th, 2026, 98.4% fullOctober 13th, 2026, 99.0% fullOctober 14th, 2026, 98.3% fullOctober 15th, 2026, 96.7% fullOctober 16th, 2026, 96.9% fullOctober 17th, 2026, 97.0% fullOctober 18th, 2026, 97.2% fullOctober 19th, 2026, 96.5% fullOctober 20th, 2026, 98.2% 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, 202698.2%7,463 AF+134 AF
October 19th, 202696.5%7,329 AF-55 AF
October 18th, 202697.2%7,384 AF+12 AF
October 17th, 202697.0%7,372 AF+12 AF
October 16th, 202696.9%7,360 AF+13 AF
October 15th, 202696.7%7,347 AF-122 AF
October 14th, 202698.3%7,469 AF-49 AF
October 13th, 202699.0%7,518 AF+43 AF
October 12th, 202698.4%7,475 AF-43 AF
October 11th, 202699.0%7,518 AF+49 AF
October 10th, 202698.3%7,469 AF+49 AF
October 9th, 202697.7%7,420 AF+30 AF
October 8th, 202697.3%7,390 AF-140 AF
October 7th, 202699.1%7,530 AF+49 AF
October 6th, 202698.5%7,481 AF+284 AF
October 5th, 202694.7%7,197 AF+12 AF
October 4th, 202694.6%7,185 AF+144 AF
October 3rd, 202692.7%7,041 AF-186 AF
October 2nd, 202695.1%7,227 AF+96 AF
October 1st, 202693.9%7,131 AF-320 AF
September 30th, 202698.1%7,451 AF-36 AF
September 29th, 202698.5%7,487 AF+6 AF
September 28th, 202698.5%7,481 AF-12 AF
September 27th, 202698.6%7,493 AF-37 AF
September 26th, 202699.1%7,530 AF+61 AF
September 25th, 202698.3%7,469 AF+67 AF
September 24th, 202697.4%7,402 AF-49 AF
September 23rd, 202698.1%7,451 AF0 AF
September 22nd, 202698.1%7,451 AF+6 AF
September 21st, 202698.0%7,445 AF-36 AF
September 20th, 202698.5%7,481 AF+158 AF
September 19th, 202696.4%7,323 AF-24 AF
September 18th, 202696.7%7,347 AF-55 AF
September 17th, 202697.4%7,402 AF-36 AF
September 16th, 202697.9%7,438 AF-25 AF
September 15th, 202698.2%7,463 AF+158 AF
September 14th, 202696.2%7,305 AF-30 AF
September 13th, 202696.5%7,335 AF+6 AF
September 12th, 202696.5%7,329 AF-12 AF
September 11th, 202696.6%7,341 AF+18 AF
September 10th, 202696.4%7,323 AF+24 AF
September 9th, 202696.1%7,299 AF+36 AF
September 8th, 202695.6%7,263 AF-18 AF
September 7th, 202695.8%7,281 AF-30 AF
September 6th, 202696.2%7,311 AF-6 AF
September 5th, 202696.3%7,317 AF-18 AF
September 4th, 202696.5%7,335 AF+174 AF
September 3rd, 202694.3%7,161 AF-90 AF
September 2nd, 202695.5%7,251 AF-102 AF
September 1st, 202696.8%7,353 AF-7 AF
August 31st, 202696.9%7,360 AF-12 AF
August 30th, 202697.0%7,372 AF+19 AF
August 29th, 202696.8%7,353 AF+54 AF
August 28th, 202696.1%7,299 AF+30 AF
August 27th, 202695.7%7,269 AF-54 AF
August 26th, 202696.4%7,323 AF-43 AF
August 25th, 202697.0%7,366 AF-12 AF
August 24th, 202697.1%7,378 AF+18 AF
August 23rd, 202696.9%7,360 AF-6 AF
August 22nd, 202697.0%7,366 AF-66 AF
August 21st, 202697.8%7,432 AF+66 AF
August 20th, 202697.0%7,366 AF+235 AF
August 19th, 202693.9%7,131 AF-30 AF
August 18th, 202694.3%7,161 AF-24 AF
August 17th, 202694.6%7,185 AF-24 AF
August 16th, 202694.9%7,209 AF-36 AF
August 15th, 202695.4%7,245 AF-42 AF
August 14th, 202695.9%7,287 AF+84 AF
August 13th, 202694.8%7,203 AF+18 AF
August 12th, 202694.6%7,185 AF0 AF
August 11th, 202694.6%7,185 AFFirst reading

Every reading is available in the open water record.