States

Medina Lake

San Antonio River Basin · Texas · TWDB gauge
9809901,0001,0101,020
Grey bar: 12-month range 976.5–1,022.1 ft; red line: full pool 1,064.2 ft.
Water level
1,019.47FT
27.5% full · 44.73 ft below full
7 days −0.81 ft30 days −1.30 ftvs last year +37.58 ft
Reading for Oct 25, 2026 · page refreshed Oct 25, 21:11 UTC
Source: Texas Water Development Board (Water Data for Texas)
Worth going today?This Afternoon
Looks good
Light wind, dry, lake 27.5% full
Wind10 mph
Rain2%
Temp81°F
Full27.5%
This AfternoonCloudy · 81°F
SE 10 mph · rain 2%
TonightMostly Cloudy · 60°F
ESE 5 mph · rain 2%
Water is low; some boat ramps may be closed – check with the lake operator before you go.
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

1,019.01,019.51,020.01,020.51,021.0ftSep 25Oct 3Oct 10Oct 17Oct 25
1,019.01,019.51,020.01,020.51,021.0ftSep 25Oct 10Oct 25
9801,0001,020ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026
9801,0001,020ftOct 2025Apr 2026Oct 2026
1,0001,050ft20162019202120242026Full pool 1,064.2
1,0001,050ft201620212026Full pool 1,064.2

Field notes

On Oct 25, 2026, Medina Lake was at 1,019.47 ft, which is 27.5% of its conservation capacity.

That is 44.73 ft below the conservation (full) pool elevation of 1,064.20 ft.

Over the past 7 days the lake has been falling (−0.81 ft), and it is −1.30 ft over 30 days.

Compared with a year ago (981.89 ft), the lake is 37.58 ft higher.

For this time of year, the median in TWDB's records (1997–2025, 28 years with data) is 63.5% full, so Medina is currently below normal by 36.0 percentage points.

In TWDB's dataset (since 1997), the highest level recorded is 1,072.00 ft (Aug 9, 1997) and the lowest is 968.74 ft (May 26, 2025). Older records may be monthly rather than daily.

Lake facts

Conservation storage70,203 ac-ft
Total storage (latest)70,203 ac-ft
Surface area2,368 acres
Gauge location29.5402, -98.9339
GroupsSan Antonio River Basin
South Central Texas (Region L) Water Planning Area

Reference levels

Level · sourceElevationToday vs level
Conservation (full) pool
TWDB
1,064.20 ft−44.73 ft
Dead pool
TWDB
912.20 ft+107.27 ft
Highest in TWDB data (since 1997)
TWDB series
1,072.00 ft
Aug 9, 1997
−52.53 ft
Lowest in TWDB data (since 1997)
TWDB series
968.74 ft
May 26, 2025
+50.73 ft
Normal range for this date
TWDB series, 28 years 1997–2025
15.6–90.9% full (median 63.5%)—
Conservation capacity
TWDB
254,823 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

Canyon Lake50 mi NE
96.6% full
−0.24 ft
Lake L. B. Johnson79 mi NE
99.2% full
+0.21 ft
Lake Marble Falls81 mi NE
97.1% full
+0.01 ft
Choke Canyon Reservoir84 mi SE
21.2% full
−0.14 ft
Lake Travis85 mi NE
93.7% full
−0.36 ft

Common questions

How full is Medina Lake right now?

As of Oct 25, 2026, TWDB reports Medina Lake at 27.5% of its conservation capacity (70,203 of 254,823 acre-feet). For this date, the middle half of past years (1997–2025) ranged from 15.6% to 90.9% full, with a median of 63.5%.

What is the record high and low at Medina Lake?

In TWDB's records since 1997, the highest level is 1,072.00 ft (Aug 9, 1997) and the lowest is 968.74 ft (May 26, 2025).

What is full pool at Medina Lake?

The conservation (full) pool elevation used by TWDB is 1,064.20 ft. The lake is currently 44.73 ft below it.

Is Medina Lake rising or falling?

Over the last 7 days it changed −0.81 ft and over 30 days −1.30 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.