Texas AI Docket
Texas Water Watch

Reservoir record

Lake Houston

Lake Houston is 97.9% full, holding 129,585 acre feet against a conservation capacity of 132,318 acre feet.

Updated September 5th, 2026

Percent full97.9%
Storage129,585AF
Conservation capacity132,318AF
Change today+3,269AF
Across the record-2,276AF
Recorded range90.2% to 100.0%
Record26days

Daily movement

The line follows every verified reading held for this reservoir.

88.4%94.2%100.0% August 11th, 2026, 99.7% fullAugust 12th, 2026, 100.0% fullAugust 13th, 2026, 100.0% fullAugust 14th, 2026, 100.0% fullAugust 15th, 2026, 100.0% fullAugust 16th, 2026, 99.9% fullAugust 17th, 2026, 99.7% fullAugust 18th, 2026, 99.5% fullAugust 19th, 2026, 99.3% fullAugust 20th, 2026, 99.2% fullAugust 21st, 2026, 99.0% fullAugust 22nd, 2026, 98.8% fullAugust 23rd, 2026, 98.7% fullAugust 24th, 2026, 98.5% fullAugust 25th, 2026, 98.3% fullAugust 26th, 2026, 98.2% fullAugust 27th, 2026, 97.8% fullAugust 28th, 2026, 98.0% fullAugust 29th, 2026, 99.8% fullAugust 30th, 2026, 100.0% fullAugust 31st, 2026, 100.0% fullSeptember 1st, 2026, 97.2% fullSeptember 2nd, 2026, 90.2% fullSeptember 3rd, 2026, 91.2% fullSeptember 4th, 2026, 95.5% fullSeptember 5th, 2026, 97.9% 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, 202697.9%129,585 AF+3,269 AF
September 4th, 202695.5%126,316 AF+5,659 AF
September 3rd, 202691.2%120,657 AF+1,315 AF
September 2nd, 202690.2%119,342 AF-9,224 AF
September 1st, 202697.2%128,566 AF-3,752 AF
August 31st, 2026100.0%132,318 AF0 AF
August 30th, 2026100.0%132,318 AF+228 AF
August 29th, 202699.8%132,090 AF+2,392 AF
August 28th, 202698.0%129,698 AF+227 AF
August 27th, 202697.8%129,471 AF-454 AF
August 26th, 202698.2%129,925 AF-114 AF
August 25th, 202698.3%130,039 AF-227 AF
August 24th, 202698.5%130,266 AF-341 AF
August 23rd, 202698.7%130,607 AF-114 AF
August 22nd, 202698.8%130,721 AF-227 AF
August 21st, 202699.0%130,948 AF-342 AF
August 20th, 202699.2%131,290 AF-114 AF
August 19th, 202699.3%131,404 AF-229 AF
August 18th, 202699.5%131,633 AF-228 AF
August 17th, 202699.7%131,861 AF-343 AF
August 16th, 202699.9%132,204 AF-114 AF
August 15th, 2026100.0%132,318 AF0 AF
August 14th, 2026100.0%132,318 AF0 AF
August 13th, 2026100.0%132,318 AF0 AF
August 12th, 2026100.0%132,318 AF+457 AF
August 11th, 202699.7%131,861 AFFirst reading

Every reading is available in the open water record.