States

Granger Lake

Brazos River Basin · Texas · TWDB gauge
504506508510FULL
Grey bar: 12-month range 503.4–510.7 ft; red line: full pool 504.0 ft.
Water level
503.79FT
98.3% full · 0.21 ft below full
7 days −0.05 ft30 days +0.04 ftvs last year +0.32 ft
Reading for Oct 25, 2026 · page refreshed Oct 25, 21:05 UTC
Source: Texas Water Development Board (Water Data for Texas)
Worth going today?This Afternoon
Looks good
Light wind, dry, lake 98.3% full
Wind5 to 10 mph
Rain0%
Temp81°F
Full98.3%
This AfternoonMostly Cloudy · 81°F
SE 5 to 10 mph · rain 0%
TonightMostly Cloudy · 59°F
SSE 0 to 5 mph · rain 0%
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

503.5504.0504.5ftSep 25Oct 3Oct 10Oct 17Oct 25Full pool 504.0
503.5504.0504.5ftSep 25Oct 10Oct 25Full pool 504.0
504506508510ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Full pool 504.0
504506508510ftOct 2025Apr 2026Oct 2026Full pool 504.0
500505510ft20162019202120242026Full pool 504.0
500505510ft201620212026Full pool 504.0

Field notes

On Oct 25, 2026, Granger Lake was at 503.79 ft, which is 98.3% of its conservation capacity.

That is 0.21 ft below the conservation (full) pool elevation of 504.00 ft.

The level has been roughly steady over the past week (−0.05 ft).

Compared with a year ago (503.47 ft), the lake is 0.32 ft higher.

For this time of year, the median in TWDB's records (1996–2025, 30 years with data) is 98.2% full, so Granger is currently close to normal.

In TWDB's dataset (since 1995), the highest level recorded is 523.02 ft (Jul 27, 2007) and the lowest is 498.40 ft (Nov 14, 2011). Older records may be monthly rather than daily.

Lake facts

Conservation storage50,965 ac-ft
Total storage (latest)50,965 ac-ft
Surface area4,059 acres
Gauge location30.6930, -97.3264
GroupsBrazos River Basin
Brazos G (Region G) Water Planning Area

Reference levels

Level · sourceElevationToday vs level
Conservation (full) pool
TWDB
504.00 ft−0.21 ft
Dead pool
TWDB
457.00 ft+46.79 ft
Highest in TWDB data (since 1995)
TWDB series
523.02 ft
Jul 27, 2007
−19.23 ft
Lowest in TWDB data (since 1995)
TWDB series
498.40 ft
Nov 14, 2011
+5.39 ft
Normal range for this date
TWDB series, 30 years 1996–2025
86.4–100.0% full (median 98.2%)—
Conservation capacity
TWDB
51,822 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

Lake Georgetown24 mi W
78.5% full
−0.18 ft
Stillhouse Hollow Lake26 mi NW
96.6% full
−0.24 ft
Mills Pond27 mi SW829.03 ft−0.19 ftBelton Lake30 mi N
96.5% full
−0.20 ft
Lake Austin38 mi SW
96.1% full
−0.05 ft

Common questions

How full is Granger Lake right now?

As of Oct 25, 2026, TWDB reports Granger Lake at 98.3% of its conservation capacity (50,965 of 51,822 acre-feet). For this date, the middle half of past years (1996–2025) ranged from 86.4% to 100.0% full, with a median of 98.2%.

What is the record high and low at Granger Lake?

In TWDB's records since 1995, the highest level is 523.02 ft (Jul 27, 2007) and the lowest is 498.40 ft (Nov 14, 2011).

What is full pool at Granger Lake?

The conservation (full) pool elevation used by TWDB is 504.00 ft. The lake is currently 0.21 ft below it.

Is Granger Lake rising or falling?

Over the last 7 days it changed −0.05 ft and over 30 days +0.04 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.