Pat Mayse Lake
Source: Texas Water Development Board (Water Data for Texas)
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Level history
Field notes
As of Oct 25, 2026, Pat Mayse Lake stood at 448.67 ft, which is 88.8% of its conservation capacity.
That is 2.33 ft below the conservation (full) pool elevation of 451.00 ft.
Over the past 7 days the lake has been falling (−0.17 ft), and it is −0.53 ft over 30 days.
Compared with a year ago (449.43 ft), the lake is 0.76 ft lower.
For this time of year, the median in TWDB's records (1996–2025, 28 years with data) is 91.9% full, so Pat Mayse is currently below normal by 3.1 percentage points.
In TWDB's dataset (since 1987), the highest level recorded is 461.56 ft (Dec 30, 2015) and the lowest is 50.15 ft (Sep 17, 1987). Older records may be monthly rather than daily.
Lake facts
| Conservation storage | 100,903 ac-ft |
|---|---|
| Total storage (latest) | 105,063 ac-ft |
| Surface area | 5,288 acres |
| Gauge location | 33.8529, -95.5447 |
| Groups | Red River Basin North East Texas (Region D) Water Planning Area |
Reference levels
| Level · source | Elevation | Today vs level |
|---|---|---|
| Conservation (full) pool TWDB | 451.00 ft | −2.33 ft |
| Dead pool TWDB | 415.00 ft | +33.67 ft |
| Highest in TWDB data (since 1987) TWDB series | 461.56 ft Dec 30, 2015 | −12.89 ft |
| Lowest in TWDB data (since 1987) TWDB series | 50.15 ft Sep 17, 1987 | +398.52 ft |
| Normal range for this date TWDB series, 28 years 1996–2025 | 87.1–99.8% full (median 91.9%) | — |
| Conservation capacity TWDB | 113,683 acre-feet | — |
Only levels the agency publishes, or that we compute directly from its own records, are listed. “Today vs level” = latest reading minus the reference level. A level the source does not publish is left out rather than estimated.
Nearby lakes
Common questions
How full is Pat Mayse Lake right now?
As of Oct 25, 2026, TWDB reports Pat Mayse Lake at 88.8% of its conservation capacity (100,903 of 113,683 acre-feet). For this date, the middle half of past years (1996–2025) ranged from 87.1% to 99.8% full, with a median of 91.9%.
What is the record high and low at Pat Mayse Lake?
In TWDB's records since 1987, the highest level is 461.56 ft (Dec 30, 2015) and the lowest is 50.15 ft (Sep 17, 1987).
What is full pool at Pat Mayse Lake?
The conservation (full) pool elevation used by TWDB is 451.00 ft. The lake is currently 2.33 ft below it.
Is Pat Mayse Lake rising or falling?
Over the last 7 days it changed −0.17 ft and over 30 days −0.53 ft.
How often is this page updated?
The page is rebuilt automatically every day from TWDB's published data. Values can be revised later by the source agency.
Where does the data come from?
Water Data for Texas, run by the Texas Water Development Board, which compiles gauge readings from USGS, USACE, river authorities and others. Forecasts come from the National Weather Service.
Values are TWDB daily estimates; elevations in feet above the vertical datum stated by TWDB. TWDB disclaimer: reservoir data are best estimates generated by the Texas Water Development Board from data collected by various providers; TWDB makes no warranties as to their fitness for any purpose. See data sources.