Lake Arlington
Source: Texas Water Development Board (Water Data for Texas)
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Level history
Field notes
Lake Arlington's latest daily level (Oct 25, 2026) is 545.77 ft, which is 80.2% of its conservation capacity.
That is 4.23 ft below the conservation (full) pool elevation of 550.00 ft.
Over the past 7 days the lake has been falling (−0.44 ft), and it is +2.44 ft over 30 days.
Compared with a year ago (547.60 ft), the lake is 1.83 ft lower.
For this time of year, the median in TWDB's records (1996–2025, 30 years with data) is 77.8% full, so Arlington is currently above normal by 2.5 percentage points.
In TWDB's dataset (since 1988), the highest level recorded is 562.00 ft (May 18, 1989) and the lowest is 538.00 ft (Aug 30, 1988). Older records may be monthly rather than daily.
Lake facts
| Full pool (conservation) | 550.00 ft |
|---|---|
| Dead pool | 505.00 ft |
| Conservation storage | 32,224 ac-ft |
| Conservation capacity | 40,157 ac-ft |
| Total storage (latest) | 32,256 ac-ft |
| Surface area | 1,835 acres |
| Record high (TWDB data) | 562.00 ft · May 18, 1989 |
| Record low (TWDB data) | 538.00 ft · Aug 30, 1988 |
| Typical % full now | 77.8% (median 1996–2025) |
| Gauge location | 32.7162, -97.1925 |
| Groups | Trinity River Basin Region C Water Planning Area Water supply for Fort Worth |
Nearby lakes
Common questions
Is Lake Arlington full right now?
No – as of Oct 25, 2026 it is 80.2% full according to TWDB.
What is full pool for Lake Arlington?
The conservation pool elevation used by TWDB is 550.00 ft. The lake is currently 4.23 ft below it.
Is Lake Arlington rising or falling?
Over the last 7 days it changed −0.44 ft and over 30 days +2.44 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.