Granger Lake water level today
Reservoir in Williamson, Texas · San Gabriel River
503.82ft
153.56 m · NGVD29
Measured · provisional
Normal for the date
What this means
Granger Lake is 0.18 ft below its full pool of 504.00 ft.
It is lower than on Oct 21 in 4 of the last 10 years.
The lake has fallen 0.12 ft in 7 days.
Since 2000, the lowest daily level was 498.40 ft (Nov 2011) and the highest 523.02 ft (Jul 2007).
Granger Lake level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Full pool
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 21, 2025 | 503.38 ft | ▼ 0.44 ft |
| Oct 21, 2024 | 503.33 ft | ▼ 0.49 ft |
| Oct 21, 2023 | 500.37 ft | ▼ 3.45 ft |
| Oct 21, 2022 | 501.70 ft | ▼ 2.12 ft |
| Oct 21, 2021 | 505.75 ft | ▲ 1.93 ft |
| Oct 21, 2020 | 502.67 ft | ▼ 1.15 ft |
| Oct 21, 2019 | 503.58 ft | ▼ 0.24 ft |
| Oct 21, 2018 | 512.95 ft | ▲ 9.13 ft |
| Oct 21, 2017 | 504.14 ft | ▲ 0.32 ft |
| Oct 21, 2016 | 504.11 ft | ▲ 0.29 ft |
Records & details
- Highest
- 523.02 ft on Jul 27, 2007
- Lowest
- 498.40 ft on Nov 14, 2011
- Records from
- 2000 (26 years of daily data)
- Full pool
- 504.00 ft (top of conservation pool, U.S. Army Corps of Engineers)
- Storage
- 51,103 acre-ft
- Inflow
- 39.1 cfs (1.11 m³/s)
- Outflow
- 4.4 cfs (0.12 m³/s)
- Water temperature
- Not measured here
Weather & wind
This Afternoon84°F · Sunny
Wind NE 5 mph
Wind NE 5 mph
Tonight54°F · Mostly Clear
Wind NE 0 to 5 mph
Wind NE 0 to 5 mph
Thursday86°F · Sunny
Wind NE 0 to 5 mph
Wind NE 0 to 5 mph
Thursday Night55°F · Partly Cloudy
Wind SE 0 to 5 mph
Wind SE 0 to 5 mph
Friday85°F · Sunny
Wind SE 0 to 10 mph
Wind SE 0 to 10 mph
Friday Night56°F · Mostly Clear
Wind SSE 0 to 5 mph
Wind SSE 0 to 5 mph
NOAA National Weather Service forecast for this lake's location, updated 1 h ago.