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Pat Mayse 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
−0.8 ft from the typical level for this date
449.11 ft above sea level
- vs full pool
- −1.9 ft
- Storage
- 90.8% full
- Past 7 days
- −0.2 ft
- vs 1 year ago
- −1.0 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.
Pat Mayse Lake water level chart (last 2 years)
How full is Pat Mayse Lake right now?
Pat Mayse Lake is 1.9 ft below full pool (451.0 ft). By conservation storage the reservoir is 90.8% full.
Over the past 7 days the level fell 0.24 ft; over 30 days it fell 1.0 ft.
One year ago the lake stood at 450.1 ft, so it is −1.0 ft compared with the same day last year.
Is Pat Mayse Lake above or below normal?
For September 28, the normal level is about 449.9 ft (the normal range is 447.8 ft to 452.1 ft). Today's level is −0.8 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) | 455.36 ft | June 24, 2026 |
| Lowest daily level (last 2 years) | 448.18 ft | December 3, 2024 |
| Same day last year | 450.11 ft | −1.0 ft vs today |
| Full pool | 451.00 ft | top of conservation pool |
Frequently asked questions
- What is the water level of Pat Mayse Lake today?
- The latest reading is 449.11 ft above sea level, reported by the Texas Water Development Board on September 28, 2026.
- Is Pat Mayse Lake full?
- No. Pat Mayse Lake is 1.9 ft below its full pool of 451.0 ft and 90.8% full by conservation storage.
- What is a normal water level for Pat Mayse Lake at this time of year?
- Based on daily readings from 2006-2025, the typical (median) level for this date is 449.9 ft, and 8 out of 10 years fall between 447.8 ft and 452.1 ft.
- What is the full pool elevation of Pat Mayse Lake?
- Full pool for Pat Mayse Lake is 451.0 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 455.4 ft on June 24, 2026; the lowest was 448.2 ft on December 3, 2024.
Where this data comes from
The water level is published by the Texas Water Development Board (station PatMayse) 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.