Ray Roberts Lake water level today
On Oct 28, 2026, Ray Roberts Lake is at 630.67 ft, 93.5% full (1.83 ft below full pool). That is 2.2 points above normal for this date.
Lowest since December 2023Full
Source: Texas Water Development Board · storage 737,320 of 788,167 acre-ft · provisional data
Ray Roberts Lake percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Ray Roberts Lake from space
A clear satellite view of the lake. Its level has changed little since 2016.
Imagery: NASA GIBS, Harmonized Landsat Sentinel-2 (HLS). Landsat 8/9 courtesy of NASA/USGS. Black specks are cloud and shadow masks.
Records and key dates
- Record high
- 100.0%Mar 26, 1990
- Record low
- 14.3%Jan 21, 1988
- 12-month high
- 100.0%Mar 6, 2026
- 12-month low
- 93.4%Sep 30, 2026
- Last time full
- Jul 24, 2026
- Change in 1 year
- −1.17 ft−4.1 pts
About Ray Roberts Lake
- River basin
- Trinity
- Full pool (top of conservation pool)
- 632.50 ft
- Conservation capacity
- 788,167 acre-ft
- Surface area today
- 27,241 acres
- Dead pool elevation
- 551.00 ft
- Flood control reservoir
- Yes
- Water supply for
- Dallas
- Data since
- Jan 21, 1988
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 96% | 98% | 100% | 100% | 100% | 100% | 100% | 98% | 95% | 94% | — | — |
| 2025 | 97% | 98% | 97% | 99% | 100% | 100% | 100% | 98% | 97% | 96% | 97% | 97% |
| 2024 | 97% | 98% | 99% | 100% | 100% | 100% | 100% | 100% | 98% | 96% | 96% | 96% |
| 2023 | 95% | 97% | 100% | 100% | 100% | 100% | 99% | 96% | 93% | 92% | 95% | 94% |
| 2022 | 97% | 97% | 97% | 99% | 100% | 100% | 98% | 96% | 94% | 92% | 93% | 95% |
| 2021 | 98% | 98% | 99% | 100% | 100% | 100% | 100% | 100% | 99% | 98% | 98% | 97% |
| 2020 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 98% | 100% | 98% | 97% | 97% |
| 2019 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 99% | 97% | 100% | 100% |
| 2018 | 95% | 96% | 100% | 100% | 100% | 99% | 96% | 95% | 96% | 100% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 99% | 100% | 98% | 97% | 96% |
Frequently asked questions
Is Ray Roberts Lake full?
Not quite. On Oct 28, 2026 Ray Roberts Lake was 93.5% full, 1.83 feet below its full pool elevation of 632.50 ft. It was last full on Jul 24, 2026.
What is the normal level of Ray Roberts Lake for this time of year?
Between 1996 and 2025, Ray Roberts Lake averaged 91.3% full around Oct 28, and 8 in 10 years it was between 76.3% and 100.0%. Today it is +2.2 percentage points above that average.
What is the lowest Ray Roberts Lake has been?
In the TWDB record, which starts in 1988, the lowest daily value was 14.3% on Jan 21, 1988. The highest was 100.0% on Mar 26, 1990.
How often is the Ray Roberts 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 (788,167 acre-feet for Ray Roberts 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.