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Granger Lake Water Level Today
Texas · Official data from the Texas Water Development Board
Water level today · September 28, 2026 (daily reading)
Normal for the date
+0.3 ft from the typical level for this date
503.70 ft above sea level
- vs full pool
- −0.3 ft
- Storage
- 97.6% full
- Past 7 days
- −0.1 ft
- vs 1 year ago
- −0.2 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.
Granger Lake water level chart (last 2 years)
How full is Granger Lake right now?
Granger Lake is 0.3 ft below full pool (504.0 ft). By conservation storage the reservoir is 97.6% full.
Over the past 7 days the level fell 0.11 ft; over 30 days it fell 0.5 ft.
One year ago the lake stood at 503.9 ft, so it is −0.2 ft compared with the same day last year.
Is Granger Lake above or below normal?
For September 28, the normal level is about 503.4 ft (the normal range is 500.8 ft to 505.6 ft). Today's level is +0.3 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) | 513.17 ft | July 9, 2025 |
| Lowest daily level (last 2 years) | 502.99 ft | December 3, 2024 |
| Same day last year | 503.89 ft | −0.2 ft vs today |
| Full pool | 504.00 ft | top of conservation pool |
Frequently asked questions
- What is the water level of Granger Lake today?
- The latest reading is 503.70 ft above sea level, reported by the Texas Water Development Board on September 28, 2026.
- Is Granger Lake full?
- No. Granger Lake is 0.3 ft below its full pool of 504.0 ft and 97.6% full by conservation storage.
- What is a normal water level for Granger Lake at this time of year?
- Based on daily readings from 2006-2025, the typical (median) level for this date is 503.4 ft, and 8 out of 10 years fall between 500.8 ft and 505.6 ft.
- What is the full pool elevation of Granger Lake?
- Full pool for Granger Lake is 504.0 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 513.2 ft on July 9, 2025; the lowest was 503.0 ft on December 3, 2024.
Where this data comes from
The water level is published by the Texas Water Development Board (station Granger) 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.