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Lake levels › Texas › Lake Buchanan

Lake Buchanan water level today

1,018.37 ft above sea level (the reading for October 20, 2026). The lake is 95.8% full, 1.63 ft below full pool (1,020.00 ft). Lake Buchanan is falling slowly: down 0.14 ft in the past 7 days and down 0.12 ft over 30 days.

Texas Water Development Board publishes one reading per day for Lake Buchanan; today's value appears once the agency posts it, usually the next morning.

Level now1,018.37 ft
Percent full95.8%
vs full pool (1,020.0)−1.63 ft
Past 24 hours−0.01 ft
Past 7 days−0.14 ft
Past 30 days−0.12 ft
vs 1 year ago+0.35 ft

Lake Buchanan level over the last 12 months

1,017.21,017.91,018.71,019.51,020.2 Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Oct 26 full pool 1,020.0
Daily elevation in feet, last 12 months.

12-month low: 1,017.40 ft (January 28, 2026). High: 1,019.96 ft (June 27, 2026). Swing: 2.56 ft.

Daily Lake Buchanan levels, last 30 days

DateElevation (ft)Change
Oct 20, 20261,018.37−0.01 ft
Oct 19, 20261,018.38−0.01 ft
Oct 18, 20261,018.39−0.03 ft
Oct 17, 20261,018.42−0.09 ft
Oct 16, 20261,018.51±0.00 ft
Oct 15, 20261,018.51±0.00 ft
Oct 14, 20261,018.51±0.00 ft
Oct 13, 20261,018.51±0.00 ft
Oct 12, 20261,018.51−0.01 ft
Oct 11, 20261,018.52−0.02 ft
Oct 10, 20261,018.54−0.02 ft
Oct 9, 20261,018.56±0.00 ft
Oct 8, 20261,018.56−0.01 ft
Oct 7, 20261,018.57−0.01 ft
Oct 6, 20261,018.58±0.00 ft
Oct 5, 20261,018.58+0.04 ft
Oct 4, 20261,018.54+0.03 ft
Oct 3, 20261,018.51±0.00 ft
Oct 2, 20261,018.51+0.09 ft
Oct 1, 20261,018.42+0.14 ft
Sep 30, 20261,018.28−0.03 ft
Sep 29, 20261,018.31−0.04 ft
Sep 28, 20261,018.35±0.00 ft
Sep 27, 20261,018.35−0.02 ft
Sep 26, 20261,018.37−0.04 ft
Sep 25, 20261,018.41−0.02 ft
Sep 24, 20261,018.43−0.02 ft
Sep 23, 20261,018.45−0.03 ft
Sep 22, 20261,018.48−0.02 ft
Sep 21, 20261,018.50+0.01 ft

Monthly average levels

MonthAverageLowHigh
Nov 20251,018.341,018.051,019.18
Dec 20251,018.891,018.401,019.17
Jan 20261,017.801,017.401,018.32
Feb 20261,017.551,017.401,017.66
Mar 20261,017.781,017.631,017.89
Apr 20261,018.151,017.511,018.65
May 20261,019.131,018.641,019.87
Jun 20261,019.841,019.641,019.96
Jul 20261,019.661,019.361,019.91
Aug 20261,019.421,019.051,019.76
Sep 20261,018.631,018.281,019.02
Oct 2026 *1,018.501,018.371,018.58

* partial month or year.

Lake Buchanan year by year

YearLowHighAverage
2026 *1,017.40 Jan 281,019.96 Jun 301,018.66
2025997.64 May 221,020.03 Jul 281,009.71
2024994.24 Jan 11,009.43 Jun 71,001.99
2023 *992.05 Oct 23994.27 Dec 25993.76

Lake Buchanan on this date in past years

YearLevel on this dateToday vs then
20251,018.02 ft+0.35 ft
20241,004.43 ft+13.94 ft
2023992.14 ft+26.23 ft

Highest and lowest levels on record

TWDB records for Lake Buchanan go back to 1937. The lowest level in that record is 966.90 ft (September 30, 1937) and the highest is 1,021.26 ft (December 21, 1991). Today the lake is 51.47 ft above its record low. At full conservation pool it holds 866,694 acre-feet and covers about 22,122 acres.

Is Lake Buchanan full?

Lake Buchanan is 95.8% full by conservation storage, measured against its top of conservation pool at 1,020.00 ft. It would need to rise 1.63 ft to be full.

Is Lake Buchanan rising or falling?

Lake Buchanan is falling slowly: down 0.14 ft in the past 7 days and down 0.12 ft over 30 days. In the latest day it moved −0.01 ft.

How does Lake Buchanan compare with last year?

Compared with the same date last year, the lake is 0.35 ft higher (94.9% full then, 95.8% now). Two years ago on this date it stood at 1,004.43 ft.

Data source

Texas Water Development Board (Water Data for Texas), gauge Buchanan; readings since Oct 16, 2023. Official source · how we collect it.

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