Houston County Lake water level today
On Oct 28, 2026, Houston County Lake is at 259.10 ft, 93.3% full (0.90 ft below full pool). That is 1.4 points below normal for this date.
Source: Texas Water Development Board · storage 15,968 of 17,113 acre-ft · provisional data
Houston County Lake percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Houston County Lake from space
The same area near the lowest and the highest level since 2016, on clear days. Compare the shoreline and the coves.
Imagery: NASA GIBS, Harmonized Landsat Sentinel-2 (HLS). Landsat 8/9 courtesy of NASA/USGS; contains modified Copernicus Sentinel data 2025. Black specks are cloud and shadow masks.
Records and key dates
- Record high
- 100.0%May 12, 1999
- Record low
- 70.6%Nov 19, 2011
- 12-month high
- 100.0%Oct 29, 2025
- 12-month low
- 92.7%Sep 30, 2026
- Last time full
- Jul 22, 2026
- Change in 1 year
- −1.01 ft−6.7 pts
About Houston County Lake
- River basin
- Trinity
- Full pool (top of conservation pool)
- 260.00 ft
- Conservation capacity
- 17,113 acre-ft
- Surface area today
- 1,252 acres
- Dead pool elevation
- 234.00 ft
- Flood control reservoir
- No
- Data since
- May 12, 1999
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 97% | 94% | 94% | — | — |
| 2025 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 100% | 100% |
| 2024 | 95% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 98% | 100% | 100% |
| 2023 | 97% | 100% | 100% | 100% | 100% | 100% | 96% | 89% | 84% | 84% | 87% | 89% |
| 2022 | 100% | 100% | 100% | 100% | 100% | 99% | 93% | 88% | 87% | 83% | 85% | 90% |
| 2021 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 98% | 99% | 100% |
| 2020 | 100% | 100% | 100% | 100% | 100% | 99% | 99% | 97% | 99% | 99% | 99% | 100% |
| 2019 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 97% | 98% | 100% | 100% |
| 2018 | 100% | 100% | 100% | 100% | 100% | 97% | 94% | 89% | 88% | 95% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 99% | 99% | 100% | 100% |
Frequently asked questions
Is Houston County Lake full?
Not quite. On Oct 28, 2026 Houston County Lake was 93.3% full, 0.90 feet below its full pool elevation of 260.00 ft. It was last full on Jul 22, 2026.
What is the normal level of Houston County Lake for this time of year?
Between 1996 and 2025, Houston County Lake averaged 94.7% full around Oct 28, and 8 in 10 years it was between 84.4% and 100.0%. Today it is −1.4 percentage points below that average.
What is the lowest Houston County Lake has been?
In the TWDB record, which starts in 1999, the lowest daily value was 70.6% on Nov 19, 2011. The highest was 100.0% on May 12, 1999.
How often is the Houston County Lake 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 (17,113 acre-feet for Houston County Lake). Water above the conservation pool is flood storage and is not counted, so a reservoir can show 100% while rising into its flood pool.