Lake levels
New Terrell City Lake, TX
- water level
- 493.45 ft
- Condition
- Very low
- 7-day change
- -0.09 ft
- Capacity
- 24.4%
- Below full
- 10.55 ft
Reading as of 2026-10-13 | the Texas Water Development Board
- Since yesterday
- -0.01 ft
- 7-day change
- -0.09 ft
- 30-day change
- -0.22 ft
- Capacity
- 24.4%
- Below full
- 10.55 ft
In brief
New Terrell City Lake stood at 493.45 feet on Oct 13, 2026, 24.4% full and 10.55 feet below its full pool of 504 feet. That is lower than 90% of October readings since 1999.
Source: Texas Water Development Board
Lake level timeline
Records and averages
| Current level | 493.45 ft |
|---|---|
| Percent full | 24.4% |
| Storage | 2,105 acre-feet |
| Conservation capacity | 8,583 acre-feet |
| Surface area | 387 acres |
| Dead pool elevation | 481.00 ft |
| Full pool (conservation) | 504.00 ft |
| Record high | 507.20 ft (2009-10-14) |
| Record low | 491.56 ft (2023-10-24) |
| Average of all readings | 501.12 ft |
| Data span | 27 years (9,821 readings) |
Level schematic
Frequently asked questions
Is New Terrell City Lake full right now?
New Terrell City Lake is at 24.4% of conservation capacity as of 2026-10-13, which we classify as very low. That is 10.55 ft below full pool of 504.00 ft. Over the past 30 days the level has fallen 0.22 ft.
What is the water level at New Terrell City Lake today?
The most recent reading at New Terrell City Lake is 493.45 ft (2026-10-13), sourced from the Texas Water Development Board. Readings on this page refresh automatically as the agency publishes new data.
What is the highest New Terrell City Lake has ever been?
The highest level for New Terrell City Lake in our records is 507.20 ft on 2009-10-14. The lowest is 491.56 ft on 2023-10-24. Our record covers about 27 years of readings.
Is New Terrell City Lake low for this time of year?
Compared with every October in our records, the current level is higher than 10% of them, which we classify as very low. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is New Terrell City Lake changing right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. New Terrell City Lake has fallen 0.22 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has New Terrell City Lake changed over the past year?
New Terrell City Lake is -0.25 ft compared with this date last year (493.45 ft today). The full-history chart above covers 27 years, with a record high of 507.20 ft and a record low of 491.56 ft.
Download and cite
Quote this reading
New Terrell City Lake stood at 493.45 feet on Oct 13, 2026, 24.4% full and 10.55 feet below its full pool of 504 feet. That is lower than 90% of October readings since 1999.
Download the full record
new-terrell-city-lake-tx-water-level-history.csv
How to cite
MyWaterLevel, “New Terrell City Lake water level, 1999 to 2026,” data from Texas Water Development Board, https://mywaterlevel.com/lake/tx/new-terrell-city-lake/, accessed Oct 13, 2026.
Source: the Texas Water Development Board. All Texas lake levels. Readings are provisional and may be revised. About our data and methods.