Lake Alan Henry water level today
On Oct 28, 2026, Lake Alan Henry is at 2,209.40 ft, 73.0% full (10.60 ft below full pool). That is 9.4 points below normal for this date.
Source: Texas Water Development Board · storage 70,223 of 96,207 acre-ft · provisional data
Lake Alan Henry percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Records and key dates
- Record high
- 100.0%Oct 3, 2004
- Record low
- 29.9%Mar 8, 1999
- 12-month high
- 89.7%Oct 29, 2025
- 12-month low
- 70.4%Oct 13, 2026
- Last time full
- Dec 19, 2024
- Change in 1 year
- −6.93 ft−16.8 pts
About Lake Alan Henry
- River basin
- Brazos
- Full pool (top of conservation pool)
- 2,220.00 ft
- Conservation capacity
- 96,207 acre-ft
- Surface area today
- 2,161 acres
- Dead pool elevation
- 0.00 ft
- Flood control reservoir
- No
- Water supply for
- Lubbock
- Data since
- Oct 1, 1997
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 86% | 85% | 83% | 82% | 80% | 79% | 77% | 74% | 72% | 72% | — | — |
| 2025 | 99% | 97% | 96% | 94% | 96% | 98% | 97% | 95% | 93% | 91% | 89% | 87% |
| 2024 | 90% | 89% | 88% | 87% | 88% | 98% | 98% | 95% | 99% | 99% | 100% | 100% |
| 2023 | 74% | 73% | 72% | 71% | 72% | 91% | 92% | 89% | 88% | 89% | 91% | 91% |
| 2022 | 89% | 88% | 87% | 85% | 83% | 81% | 79% | 76% | 77% | 76% | 75% | 75% |
| 2021 | 88% | 87% | 86% | 84% | 86% | 100% | 100% | 99% | 96% | 94% | 92% | 91% |
| 2020 | 93% | 93% | 96% | 98% | 97% | 100% | 99% | 96% | 94% | 91% | 90% | 89% |
| 2019 | 87% | 85% | 84% | 90% | 95% | 98% | 95% | 92% | 90% | 89% | 93% | 94% |
| 2018 | 85% | 84% | 83% | 81% | 82% | 83% | 81% | 79% | 78% | 86% | 89% | 88% |
| 2017 | 95% | 96% | 95% | 94% | 92% | 91% | 90% | 89% | 88% | 89% | 88% | 86% |
Frequently asked questions
Is Lake Alan Henry full?
Not quite. On Oct 28, 2026 Lake Alan Henry was 73.0% full, 10.60 feet below its full pool elevation of 2,220.00 ft. It was last full on Dec 19, 2024.
What is the normal level of Lake Alan Henry for this time of year?
Between 1996 and 2025, Lake Alan Henry averaged 82.4% full around Oct 28, and 8 in 10 years it was between 58.4% and 99.6%. Today it is −9.4 percentage points below that average.
What is the lowest Lake Alan Henry has been?
In the TWDB record, which starts in 1997, the lowest daily value was 29.9% on Mar 8, 1999. The highest was 100.0% on Oct 3, 2004.
How often is the Lake Alan Henry water level updated?
TWDB publishes one reading per day for each reservoir. We check for new data every 2 hours and show the date of the reading next to the level. Recent values are provisional.
What does percent full mean?
It is the water stored in the conservation pool divided by the conservation capacity (96,207 acre-feet for Lake Alan Henry). Water above the conservation pool is flood storage and is not counted, so a reservoir can show 100% while rising into its flood pool.