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Lake levels › Texas › Granger Lake

Granger Lake water level today

503.83 ft above sea level (the reading for October 20, 2026). The lake is 98.7% full, 0.17 ft below full pool (504.00 ft). Granger Lake is falling slowly: down 0.11 ft in the past 7 days and up 0.00 ft over 30 days.

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

Level now503.83 ft
Percent full98.7%
vs full pool (504.0)−0.17 ft
Past 24 hours±0.00 ft
Past 7 days−0.11 ft
Past 30 days±0.00 ft
vs 1 year ago+0.41 ft

Granger Lake level over the last 12 months

503505507509511 Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Oct 26 full pool 504.0
Daily elevation in feet, last 12 months.

12-month low: 503.31 ft (October 24, 2025). High: 510.67 ft (June 8, 2026). Swing: 7.36 ft.

Daily Granger Lake levels, last 30 days

DateElevation (ft)Change
Oct 20, 2026503.83±0.00 ft
Oct 19, 2026503.83−0.01 ft
Oct 18, 2026503.84−0.02 ft
Oct 17, 2026503.86−0.05 ft
Oct 16, 2026503.91−0.03 ft
Oct 15, 2026503.94±0.00 ft
Oct 14, 2026503.94±0.00 ft
Oct 13, 2026503.94±0.00 ft
Oct 12, 2026503.94−0.01 ft
Oct 11, 2026503.95−0.01 ft
Oct 10, 2026503.96±0.00 ft
Oct 9, 2026503.96±0.00 ft
Oct 8, 2026503.96±0.00 ft
Oct 7, 2026503.96±0.00 ft
Oct 6, 2026503.96+0.02 ft
Oct 5, 2026503.94+0.05 ft
Oct 4, 2026503.89+0.09 ft
Oct 3, 2026503.80+0.07 ft
Oct 2, 2026503.73+0.07 ft
Oct 1, 2026503.66+0.02 ft
Sep 30, 2026503.64−0.02 ft
Sep 29, 2026503.66−0.02 ft
Sep 28, 2026503.68−0.03 ft
Sep 27, 2026503.71−0.01 ft
Sep 26, 2026503.72−0.03 ft
Sep 25, 2026503.75−0.02 ft
Sep 24, 2026503.77−0.02 ft
Sep 23, 2026503.79±0.00 ft
Sep 22, 2026503.79−0.02 ft
Sep 21, 2026503.81−0.02 ft

Monthly average levels

MonthAverageLowHigh
Nov 2025503.56503.50503.61
Dec 2025503.54503.51503.61
Jan 2026503.63503.43504.08
Feb 2026504.25504.10504.35
Mar 2026504.29504.13504.40
Apr 2026505.31504.12508.45
May 2026506.27504.26510.38
Jun 2026508.53505.70510.67
Jul 2026505.84505.38506.43
Aug 2026504.74504.20505.32
Sep 2026503.92503.64504.18
Oct 2026 *503.89503.66503.96

* partial month or year.

Granger Lake year by year

YearLowHighAverage
2026 *503.43 Jan 20510.67 Jun 8505.11
2025502.99 Jan 8513.17 Jul 9504.34
2024502.95 Jan 1510.28 May 21504.91
2023 *500.39 Oct 22502.95 Dec 31501.51

Granger Lake on this date in past years

YearLevel on this dateToday vs then
2025503.42 ft+0.41 ft
2024503.38 ft+0.45 ft
2023500.41 ft+3.42 ft

Highest and lowest levels on record

TWDB records for Granger Lake go back to 1995. The lowest level in that record is 498.40 ft (November 14, 2011) and the highest is 523.02 ft (July 31, 2007). Today the lake is 5.43 ft above its record low. At full conservation pool it holds 51,822 acre-feet and covers about 4,069 acres.

Is Granger Lake full?

Granger Lake is 98.7% full by conservation storage, measured against its top of conservation pool at 504.00 ft. It would need to rise 0.17 ft to be full.

Is Granger Lake rising or falling?

Granger Lake is falling slowly: down 0.11 ft in the past 7 days and up 0.00 ft over 30 days. In the latest day it moved ±0.00 ft.

How does Granger Lake compare with last year?

Compared with the same date last year, the lake is 0.41 ft higher (95.5% full then, 98.7% now). Two years ago on this date it stood at 503.38 ft.

Data source

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

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