Wright Patman Lake water level today
On Oct 28, 2026, Wright Patman Lake is at 224.81 ft, 100.0% full (4.21 ft above full pool). That is 0.0 points above normal for this date.
Source: Texas Water Development Board · storage 122,593 of 122,593 acre-ft · provisional data
Wright Patman Lake percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Wright Patman 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 2017, 2026. Black specks are cloud and shadow masks.
Records and key dates
- Record high
- 100.0%Dec 22, 1987
- Record low
- 46.3%Apr 2, 1991
- 12-month high
- 100.0%Oct 29, 2025
- 12-month low
- 100.0%Oct 29, 2025
- Last time full
- Oct 28, 2026
- Change in 1 year
- +0.11 ft±0.0 pts
About Wright Patman Lake
- River basin
- Sulphur
- Full pool (top of conservation pool)
- 220.60 ft
- Conservation capacity
- 122,593 acre-ft
- Surface area today
- —
- Dead pool elevation
- 200.00 ft
- Flood control reservoir
- Yes
- Water supply for
- Texarkana
- Data since
- Dec 22, 1987
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% | 100% | 100% | 100% | — | — |
| 2025 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 2024 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 2023 | 100% | 100% | 100% | 89% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 2022 | 100% | 100% | 100% | 96% | 95% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 2021 | 100% | 100% | 100% | 98% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 2020 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 2019 | 100% | 100% | 100% | 89% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 2018 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 85% | 93% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
Frequently asked questions
Is Wright Patman Lake full?
Yes. On Oct 28, 2026 Wright Patman Lake was 100.0% full, at or above the top of its conservation pool (220.60 ft).
What is the normal level of Wright Patman Lake for this time of year?
Between 1996 and 2025, Wright Patman Lake averaged 100.0% full around Oct 28, and 8 in 10 years it was between 100.0% and 100.0%. Today it is ±0.0 percentage points above that average.
What is the lowest Wright Patman Lake has been?
In the TWDB record, which starts in 1987, the lowest daily value was 46.3% on Apr 2, 1991. The highest was 100.0% on Dec 22, 1987.
How often is the Wright Patman 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 (122,593 acre-feet for Wright Patman 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.