Texas AI Docket
Texas Water Watch

Reservoir record

Lake L. B. Johnson

Lake L. B. Johnson is 97.8% full, holding 110,277 acre feet against a conservation capacity of 112,778 acre feet.

Updated October 20th, 2026

Percent full97.8%
Storage110,277AF
Conservation capacity112,778AF
Change today-1,216AF
Across the record-319AF
Recorded range94.7% to 99.3%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

93.9%96.9%100.0% August 11th, 2026, 98.1% fullAugust 12th, 2026, 98.1% fullAugust 13th, 2026, 98.3% fullAugust 14th, 2026, 98.4% fullAugust 15th, 2026, 98.6% fullAugust 16th, 2026, 98.8% fullAugust 17th, 2026, 98.8% fullAugust 18th, 2026, 98.9% fullAugust 19th, 2026, 99.1% fullAugust 20th, 2026, 98.8% fullAugust 21st, 2026, 98.7% fullAugust 22nd, 2026, 98.9% fullAugust 23rd, 2026, 98.9% fullAugust 24th, 2026, 98.4% fullAugust 25th, 2026, 98.3% fullAugust 26th, 2026, 98.6% fullAugust 27th, 2026, 98.8% fullAugust 28th, 2026, 98.8% fullAugust 29th, 2026, 98.6% fullAugust 30th, 2026, 98.3% fullAugust 31st, 2026, 98.4% fullSeptember 1st, 2026, 98.5% fullSeptember 2nd, 2026, 98.6% fullSeptember 3rd, 2026, 98.6% fullSeptember 4th, 2026, 98.5% fullSeptember 5th, 2026, 98.6% fullSeptember 6th, 2026, 98.7% fullSeptember 7th, 2026, 98.9% fullSeptember 8th, 2026, 98.9% fullSeptember 9th, 2026, 98.9% fullSeptember 10th, 2026, 98.9% fullSeptember 11th, 2026, 98.9% fullSeptember 12th, 2026, 98.9% fullSeptember 13th, 2026, 98.7% fullSeptember 14th, 2026, 98.7% fullSeptember 15th, 2026, 98.5% fullSeptember 16th, 2026, 98.4% fullSeptember 17th, 2026, 98.4% fullSeptember 18th, 2026, 98.5% fullSeptember 19th, 2026, 98.5% fullSeptember 20th, 2026, 98.6% fullSeptember 21st, 2026, 98.9% fullSeptember 22nd, 2026, 98.9% fullSeptember 23rd, 2026, 99.0% fullSeptember 24th, 2026, 99.3% fullSeptember 25th, 2026, 99.2% fullSeptember 26th, 2026, 98.9% fullSeptember 27th, 2026, 98.9% fullSeptember 28th, 2026, 98.8% fullSeptember 29th, 2026, 98.6% fullSeptember 30th, 2026, 97.2% fullOctober 1st, 2026, 97.5% fullOctober 2nd, 2026, 95.5% fullOctober 3rd, 2026, 94.7% fullOctober 4th, 2026, 95.6% fullOctober 5th, 2026, 99.0% fullOctober 6th, 2026, 98.7% fullOctober 7th, 2026, 98.2% fullOctober 8th, 2026, 98.0% fullOctober 9th, 2026, 98.4% fullOctober 10th, 2026, 98.3% fullOctober 11th, 2026, 98.1% fullOctober 12th, 2026, 98.8% fullOctober 13th, 2026, 98.3% fullOctober 14th, 2026, 98.9% fullOctober 15th, 2026, 98.5% fullOctober 16th, 2026, 98.4% fullOctober 17th, 2026, 97.8% fullOctober 18th, 2026, 97.7% fullOctober 19th, 2026, 98.9% fullOctober 20th, 2026, 97.8% 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, 202697.8%110,277 AF-1,216 AF
October 19th, 202698.9%111,493 AF+1,280 AF
October 18th, 202697.7%110,213 AF-128 AF
October 17th, 202697.8%110,341 AF-640 AF
October 16th, 202698.4%110,981 AF-64 AF
October 15th, 202698.5%111,045 AF-512 AF
October 14th, 202698.9%111,557 AF+640 AF
October 13th, 202698.3%110,917 AF-448 AF
October 12th, 202698.8%111,365 AF+769 AF
October 11th, 202698.1%110,596 AF-321 AF
October 10th, 202698.3%110,917 AF-64 AF
October 9th, 202698.4%110,981 AF+513 AF
October 8th, 202698.0%110,468 AF-320 AF
October 7th, 202698.2%110,788 AF-513 AF
October 6th, 202698.7%111,301 AF-321 AF
October 5th, 202699.0%111,622 AF+3,769 AF
October 4th, 202695.6%107,853 AF+1,079 AF
October 3rd, 202694.7%106,774 AF-889 AF
October 2nd, 202695.5%107,663 AF-2,294 AF
October 1st, 202697.5%109,957 AF+320 AF
September 30th, 202697.2%109,637 AF-1,536 AF
September 29th, 202698.6%111,173 AF-192 AF
September 28th, 202698.8%111,365 AF-128 AF
September 27th, 202698.9%111,493 AF0 AF
September 26th, 202698.9%111,493 AF-385 AF
September 25th, 202699.2%111,878 AF-64 AF
September 24th, 202699.3%111,942 AF+320 AF
September 23rd, 202699.0%111,622 AF+65 AF
September 22nd, 202698.9%111,557 AF+64 AF
September 21st, 202698.9%111,493 AF+256 AF
September 20th, 202698.6%111,237 AF+192 AF
September 19th, 202698.5%111,045 AF-64 AF
September 18th, 202698.5%111,109 AF+128 AF
September 17th, 202698.4%110,981 AF0 AF
September 16th, 202698.4%110,981 AF-64 AF
September 15th, 202698.5%111,045 AF-256 AF
September 14th, 202698.7%111,301 AF0 AF
September 13th, 202698.7%111,301 AF-256 AF
September 12th, 202698.9%111,557 AF0 AF
September 11th, 202698.9%111,557 AF0 AF
September 10th, 202698.9%111,557 AF0 AF
September 9th, 202698.9%111,557 AF0 AF
September 8th, 202698.9%111,557 AF+64 AF
September 7th, 202698.9%111,493 AF+192 AF
September 6th, 202698.7%111,301 AF+64 AF
September 5th, 202698.6%111,237 AF+128 AF
September 4th, 202698.5%111,109 AF-128 AF
September 3rd, 202698.6%111,237 AF0 AF
September 2nd, 202698.6%111,237 AF+128 AF
September 1st, 202698.5%111,109 AF+128 AF
August 31st, 202698.4%110,981 AF+64 AF
August 30th, 202698.3%110,917 AF-256 AF
August 29th, 202698.6%111,173 AF-192 AF
August 28th, 202698.8%111,365 AF-64 AF
August 27th, 202698.8%111,429 AF+192 AF
August 26th, 202698.6%111,237 AF+320 AF
August 25th, 202698.3%110,917 AF-64 AF
August 24th, 202698.4%110,981 AF-576 AF
August 23rd, 202698.9%111,557 AF+64 AF
August 22nd, 202698.9%111,493 AF+192 AF
August 21st, 202698.7%111,301 AF-128 AF
August 20th, 202698.8%111,429 AF-321 AF
August 19th, 202699.1%111,750 AF+193 AF
August 18th, 202698.9%111,557 AF+128 AF
August 17th, 202698.8%111,429 AF0 AF
August 16th, 202698.8%111,429 AF+192 AF
August 15th, 202698.6%111,237 AF+256 AF
August 14th, 202698.4%110,981 AF+64 AF
August 13th, 202698.3%110,917 AF+321 AF
August 12th, 202698.1%110,596 AF0 AF
August 11th, 202698.1%110,596 AFFirst reading

Every reading is available in the open water record.