Lake levels › Texas › Lake Granbury
Lake Granbury water level today
690.67 ft above sea level (the reading for October 20, 2026). The lake is 88.1% full, 2.03 ft below full pool (692.70 ft). Lake Granbury is rising slowly: up 0.18 ft in the past 7 days and up 0.42 ft over 30 days.
Texas Water Development Board publishes one reading per day for Lake Granbury; today's value appears once the agency posts it, usually the next morning.
Lake Granbury level over the last 12 months
12-month low: 689.91 ft (September 30, 2026). High: 692.80 ft (June 7, 2026). Swing: 2.89 ft.
Daily Lake Granbury levels, last 30 days
| Date | Elevation (ft) | Change |
|---|---|---|
| Oct 20, 2026 | 690.67 | +0.03 ft |
| Oct 19, 2026 | 690.64 | +0.10 ft |
| Oct 18, 2026 | 690.54 | +0.03 ft |
| Oct 17, 2026 | 690.51 | −0.08 ft |
| Oct 16, 2026 | 690.59 | +0.14 ft |
| Oct 15, 2026 | 690.45 | −0.01 ft |
| Oct 14, 2026 | 690.46 | −0.03 ft |
| Oct 13, 2026 | 690.49 | −0.03 ft |
| Oct 12, 2026 | 690.52 | −0.03 ft |
| Oct 11, 2026 | 690.55 | −0.04 ft |
| Oct 10, 2026 | 690.59 | −0.02 ft |
| Oct 9, 2026 | 690.61 | −0.01 ft |
| Oct 8, 2026 | 690.62 | −0.01 ft |
| Oct 7, 2026 | 690.63 | ±0.00 ft |
| Oct 6, 2026 | 690.63 | ±0.00 ft |
| Oct 5, 2026 | 690.63 | +0.08 ft |
| Oct 4, 2026 | 690.55 | +0.15 ft |
| Oct 3, 2026 | 690.40 | +0.06 ft |
| Oct 2, 2026 | 690.34 | +0.17 ft |
| Oct 1, 2026 | 690.17 | +0.26 ft |
| Sep 30, 2026 | 689.91 | −0.05 ft |
| Sep 29, 2026 | 689.96 | −0.04 ft |
| Sep 28, 2026 | 690.00 | −0.03 ft |
| Sep 27, 2026 | 690.03 | −0.03 ft |
| Sep 26, 2026 | 690.06 | −0.04 ft |
| Sep 25, 2026 | 690.10 | −0.03 ft |
| Sep 24, 2026 | 690.13 | −0.04 ft |
| Sep 23, 2026 | 690.17 | −0.03 ft |
| Sep 22, 2026 | 690.20 | −0.03 ft |
| Sep 21, 2026 | 690.23 | −0.02 ft |
Monthly average levels
| Month | Average | Low | High |
|---|---|---|---|
| Nov 2025 | 691.93 | 691.59 | 692.61 |
| Dec 2025 | 692.52 | 692.41 | 692.60 |
| Jan 2026 | 692.27 | 692.09 | 692.42 |
| Feb 2026 | 692.34 | 692.08 | 692.64 |
| Mar 2026 | 692.48 | 692.37 | 692.64 |
| Apr 2026 | 692.59 | 692.36 | 692.68 |
| May 2026 | 692.59 | 692.50 | 692.67 |
| Jun 2026 | 692.55 | 692.46 | 692.80 |
| Jul 2026 | 692.02 | 691.52 | 692.43 |
| Aug 2026 | 691.14 | 690.83 | 691.48 |
| Sep 2026 | 690.39 | 689.91 | 690.81 |
| Oct 2026 * | 690.53 | 690.17 | 690.67 |
* partial month or year.
Lake Granbury year by year
| Year | Low | High | Average |
|---|---|---|---|
| 2026 * | 689.91 Sep 30 | 692.80 Jun 7 | 691.94 |
| 2025 | 691.25 May 30 | 692.76 Jul 6 | 692.36 |
| 2024 | 691.22 Oct 29 | 692.78 Nov 25 | 692.38 |
| 2023 * | 690.90 Oct 23 | 692.64 Nov 9 | 692.21 |
Lake Granbury on this date in past years
| Year | Level on this date | Today vs then |
|---|---|---|
| 2025 | 691.60 ft | −0.93 ft |
| 2024 | 691.41 ft | −0.74 ft |
| 2023 | 690.98 ft | −0.31 ft |
Highest and lowest levels on record
TWDB records for Lake Granbury go back to 1987. The lowest level in that record is 681.50 ft (June 21, 2014) and the highest is 692.96 ft (May 17, 1989). Today the lake is 9.17 ft above its record low. At full conservation pool it holds 132,949 acre-feet and covers about 7,432 acres.
Is Lake Granbury full?
Lake Granbury is 88.1% full by conservation storage, measured against its top of conservation pool at 692.70 ft. It would need to rise 2.03 ft to be full.
Is Lake Granbury rising or falling?
Lake Granbury is rising slowly: up 0.18 ft in the past 7 days and up 0.42 ft over 30 days. In the latest day it moved +0.03 ft.
How does Lake Granbury compare with last year?
Compared with the same date last year, the lake is 0.93 ft lower (93.4% full then, 88.1% now). Two years ago on this date it stood at 691.41 ft.
Data source
Texas Water Development Board (Water Data for Texas), gauge Granbury; readings since Oct 16, 2023. Official source · how we collect it.
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