Somerville Lake
Source: Texas Water Development Board (Water Data for Texas)
SE 5 mph · rain 0%
E 0 to 5 mph · rain 0%
Level history
Field notes
Somerville Lake's latest daily level (Oct 25, 2026) is 236.21 ft, which is 87.1% of its conservation capacity.
That is 1.79 ft below the conservation (full) pool elevation of 238.00 ft.
Over the past 7 days the lake has been falling (−0.29 ft), and it is −0.53 ft over 30 days.
Compared with a year ago (235.83 ft), the lake is 0.38 ft higher.
For this time of year, the median in TWDB's records (1996–2025, 29 years with data) is 96.6% full, so Somerville is currently below normal by 9.5 percentage points.
In TWDB's dataset (since 1995), the highest level recorded is 259.77 ft (May 29, 2016) and the lowest is 227.61 ft (Dec 13, 2011). Older records may be monthly rather than daily.
Lake facts
| Conservation storage | 130,869 ac-ft |
|---|---|
| Total storage (latest) | 130,869 ac-ft |
| Surface area | 10,506 acres |
| Gauge location | 30.3224, -96.5258 |
| Groups | Brazos River Basin Brazos G (Region G) Water Planning Area |
Reference levels
| Level · source | Elevation | Today vs level |
|---|---|---|
| Conservation (full) pool TWDB | 238.00 ft | −1.79 ft |
| Dead pool TWDB | 206.00 ft | +30.21 ft |
| Highest in TWDB data (since 1995) TWDB series | 259.77 ft May 29, 2016 | −23.56 ft |
| Lowest in TWDB data (since 1995) TWDB series | 227.61 ft Dec 13, 2011 | +8.60 ft |
| Normal range for this date TWDB series, 29 years 1996–2025 | 84.8–100.0% full (median 96.6%) | — |
| Conservation capacity TWDB | 150,293 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 Somerville Lake right now?
As of Oct 25, 2026, TWDB reports Somerville Lake at 87.1% of its conservation capacity (130,869 of 150,293 acre-feet). For this date, the middle half of past years (1996–2025) ranged from 84.8% to 100.0% full, with a median of 96.6%.
What is the record high and low at Somerville Lake?
In TWDB's records since 1995, the highest level is 259.77 ft (May 29, 2016) and the lowest is 227.61 ft (Dec 13, 2011).
What is full pool at Somerville Lake?
The conservation (full) pool elevation used by TWDB is 238.00 ft. The lake is currently 1.79 ft below it.
Is Somerville Lake rising or falling?
Over the last 7 days it changed −0.29 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.