Martin Lake water level today
On Oct 28, 2026, Martin Lake is at 301.85 ft, 74.9% full (4.15 ft below full pool). That is 6.2 points below normal for this date.
Lowest since January 2024Near normal
Source: Texas Water Development Board · storage 56,734 of 75,726 acre-ft · provisional data
Martin Lake percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Martin 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%Feb 13, 1997
- Record low
- 43.8%Oct 20, 2011
- 12-month high
- 100.0%Jun 21, 2026
- 12-month low
- 74.9%Oct 28, 2026
- Last time full
- Jun 22, 2026
- Change in 1 year
- −2.72 ft−16.0 pts
About Martin Lake
- River basin
- Sabine
- Full pool (top of conservation pool)
- 306.00 ft
- Conservation capacity
- 75,726 acre-ft
- Surface area today
- 4,199 acres
- Dead pool elevation
- 0.00 ft
- Flood control reservoir
- No
- Data since
- Oct 2, 1995
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 87% | 88% | 90% | 95% | 95% | 97% | 95% | 88% | 81% | 77% | — | — |
| 2025 | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 96% | 94% | 91% | 89% | 88% |
| 2024 | 78% | 100% | 100% | 100% | 100% | 99% | 99% | 96% | 92% | 87% | 88% | 91% |
| 2023 | 90% | 100% | 100% | 100% | 100% | 99% | 94% | 86% | 80% | 77% | 74% | 72% |
| 2022 | 84% | 85% | 91% | 100% | 100% | 96% | 90% | 85% | 83% | 78% | 77% | 79% |
| 2021 | 97% | 100% | 100% | 100% | 100% | 99% | 98% | 97% | 94% | 89% | 86% | 86% |
| 2020 | 80% | 92% | 100% | 100% | 100% | 98% | 98% | 95% | 90% | 87% | 83% | 83% |
| 2019 | 100% | 100% | 100% | 99% | 100% | 99% | 96% | 91% | 85% | 82% | 81% | 79% |
| 2018 | 83% | 87% | 100% | 100% | 99% | 94% | 89% | 83% | 80% | 87% | 100% | 100% |
| 2017 | 90% | 94% | 94% | 97% | 97% | 99% | 98% | 94% | 90% | 85% | 82% | 81% |
Frequently asked questions
Is Martin Lake full?
Not quite. On Oct 28, 2026 Martin Lake was 74.9% full, 4.15 feet below its full pool elevation of 306.00 ft. It was last full on Jun 22, 2026.
What is the normal level of Martin Lake for this time of year?
Between 1996 and 2025, Martin Lake averaged 81.1% full around Oct 28, and 8 in 10 years it was between 70.7% and 93.5%. Today it is −6.2 percentage points below that average.
What is the lowest Martin Lake has been?
In the TWDB record, which starts in 1995, the lowest daily value was 43.8% on Oct 20, 2011. The highest was 100.0% on Feb 13, 1997.
How often is the Martin 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 (75,726 acre-feet for Martin 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.