Lake Graham water level today
On Oct 28, 2026, Lake Graham is at 1,068.03 ft, 65.9% full (6.97 ft below full pool). That is 14.4 points below normal for this date.
Source: Texas Water Development Board · storage 29,851 of 45,288 acre-ft · provisional data
Lake Graham percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Records and key dates
- Record high
- 100.0%Nov 27, 1996
- Record low
- 37.3%Apr 14, 2015
- 12-month high
- 83.2%Oct 29, 2025
- 12-month low
- 64.3%Sep 30, 2026
- Last time full
- Jun 17, 2025
- Change in 1 year
- −3.78 ft−17.4 pts
About Lake Graham
- River basin
- Brazos
- Full pool (top of conservation pool)
- 1,075.00 ft
- Conservation capacity
- 45,288 acre-ft
- Surface area today
- 1,926 acres
- Dead pool elevation
- 1,030.00 ft
- Flood control reservoir
- No
- Data since
- Oct 2, 1996
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 78% | 77% | 76% | 78% | 78% | 77% | 75% | 71% | 66% | 66% | — | — |
| 2025 | 96% | 95% | 94% | 96% | 100% | 100% | 96% | 92% | 88% | 84% | 82% | 80% |
| 2024 | 70% | 72% | 71% | 70% | 84% | 92% | 88% | 83% | 79% | 74% | 93% | 98% |
| 2023 | 77% | 77% | 77% | 76% | 80% | 88% | 84% | 77% | 73% | 71% | 71% | 70% |
| 2022 | 86% | 84% | 84% | 83% | 92% | 94% | 89% | 85% | 84% | 80% | 79% | 78% |
| 2021 | 95% | 94% | 93% | 92% | 100% | 100% | 100% | 96% | 92% | 91% | 89% | 87% |
| 2020 | 85% | 86% | 94% | 100% | 99% | 100% | 99% | 94% | 97% | 97% | 95% | 94% |
| 2019 | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 95% | 91% | 87% | 86% | 85% |
| 2018 | 94% | 94% | 94% | 96% | 94% | 91% | 86% | 82% | 82% | 95% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 99% | 96% | 100% | 99% | 97% | 95% | 99% | 97% | 96% |
Frequently asked questions
Is Lake Graham full?
Not quite. On Oct 28, 2026 Lake Graham was 65.9% full, 6.97 feet below its full pool elevation of 1,075.00 ft. It was last full on Jun 17, 2025.
What is the normal level of Lake Graham for this time of year?
Between 1996 and 2025, Lake Graham averaged 80.3% full around Oct 28, and 8 in 10 years it was between 55.1% and 98.6%. Today it is −14.4 percentage points below that average.
What is the lowest Lake Graham has been?
In the TWDB record, which starts in 1996, the lowest daily value was 37.3% on Apr 14, 2015. The highest was 100.0% on Nov 27, 1996.
How often is the Lake Graham 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 (45,288 acre-feet for Lake Graham). Water above the conservation pool is flood storage and is not counted, so a reservoir can show 100% while rising into its flood pool.