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Lake Granbury Water Level Today
Texas · Official data from the Texas Water Development Board
Water level today · September 28, 2026 (daily reading)
Normal for the date
−1.9 ft from the typical level for this date
690.02 ft above sea level
- vs full pool
- −2.7 ft
- Storage
- 84.5% full
- Past 7 days
- −0.2 ft
- vs 1 year ago
- −1.9 ft
What do these numbers mean?
- Water level
- The height of the lake surface in feet above sea level, as measured by the official gauge.
- Full pool
- The level the lake is normally kept at when it is full (top of conservation pool). Above it, the lake is storing flood water.
- Normal for the date
- The typical (median) level on this calendar date across 2006-2025. The normal range is where the lake stood in 8 of 10 years.
- % full
- How much of the reservoir's conservation storage is in use, as reported by the Texas Water Development Board.
Lake Granbury water level chart (last 2 years)
How full is Lake Granbury right now?
Lake Granbury is 2.7 ft below full pool (692.7 ft). By conservation storage the reservoir is 84.5% full.
Over the past 7 days the level fell 0.21 ft; over 30 days it fell 0.9 ft.
One year ago the lake stood at 692.0 ft, so it is −1.9 ft compared with the same day last year.
Is Lake Granbury above or below normal?
For September 28, the normal level is about 691.9 ft (the normal range is 685.4 ft to 692.6 ft). Today's level is −1.9 ft compared with normal, within the normal range.
“Normal” here means the median level recorded on this calendar date across 2006-2025. Many reservoirs are drawn down on purpose in fall and winter, so a level below full pool can still be completely normal for the season.
Recent history
| Highest daily level (last 2 years) | 692.80 ft | June 7, 2026 |
| Lowest daily level (last 2 years) | 690.02 ft | September 28, 2026 |
| Same day last year | 691.95 ft | −1.9 ft vs today |
| Full pool | 692.70 ft | top of conservation pool |
Frequently asked questions
- What is the water level of Lake Granbury today?
- The latest reading is 690.02 ft above sea level, reported by the Texas Water Development Board on September 28, 2026.
- Is Lake Granbury full?
- No. Lake Granbury is 2.7 ft below its full pool of 692.7 ft and 84.5% full by conservation storage.
- What is a normal water level for Lake Granbury at this time of year?
- Based on daily readings from 2006-2025, the typical (median) level for this date is 691.9 ft, and 8 out of 10 years fall between 685.4 ft and 692.6 ft.
- What is the full pool elevation of Lake Granbury?
- Full pool for Lake Granbury is 692.7 ft (top of conservation pool), according to the Texas Water Development Board.
- What were the highest and lowest levels in the last two years?
- The highest daily level in the last two years was 692.8 ft on June 7, 2026; the lowest was 690.0 ft on September 28, 2026.
Where this data comes from
The water level is published by the Texas Water Development Board (station Granbury) and refreshed on this page every day. Full pool comes from Texas Water Development Board; the normal range is calculated from official daily readings for 2006-2025. Recent readings are provisional and may be revised. See data sources & methodology.