Texas AI Docket
Texas Water Watch

Reservoir record

Lake L. B. Johnson

Lake L. B. Johnson is 98.6% full, holding 111,237 acre feet against a conservation capacity of 112,778 acre feet.

Updated September 5th, 2026

Percent full98.6%
Storage111,237AF
Conservation capacity112,778AF
Change today+128AF
Across the record+641AF
Recorded range98.1% to 99.1%
Record26days

Daily movement

The line follows every verified reading held for this reservoir.

97.9%98.6%99.3% 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% 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, 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.