Falcon Reservoir
Source: Texas Water Development Board (Water Data for Texas)
ESE 8 mph · rain 5%
ESE 8 mph · rain 5%
Level history
Field notes
As of Oct 25, 2026, Falcon Reservoir stood at 260.93 ft, which is 20.2% of its conservation capacity.
That is 40.27 ft below the conservation (full) pool elevation of 301.20 ft.
Over the past 7 days the lake has been falling (−0.32 ft), and it is +0.46 ft over 30 days.
Compared with a year ago (253.90 ft), the lake is 7.03 ft higher.
For this time of year, the median in TWDB's records (1996–2025, 30 years with data) is 31.8% full, so Falcon is currently below normal by 11.6 percentage points.
In TWDB's dataset (since 1953), the highest level recorded is 309.28 ft (Jul 18, 2010) and the lowest is 195.30 ft (Aug 23, 1953). Older records may be monthly rather than daily.
Lake facts
| Conservation storage | 315,839 ac-ft |
|---|---|
| Total storage (latest) | 451,018 ac-ft |
| Surface area | 27,860 acres |
| Gauge location | 26.5572, -99.1606 |
| Groups | Rio Grande River Basin Rio Grande (Region M) Water Planning Area Water supply for Brownsville |
Reference levels
| Level · source | Elevation | Today vs level |
|---|---|---|
| Conservation (full) pool TWDB | 301.20 ft | −40.27 ft |
| Dead pool TWDB | 204.34 ft | +56.59 ft |
| Highest in TWDB data (since 1953) TWDB series | 309.28 ft Jul 18, 2010 | −48.35 ft |
| Lowest in TWDB data (since 1953) TWDB series | 195.30 ft Aug 23, 1953 | +65.63 ft |
| Normal range for this date TWDB series, 30 years 1996–2025 | 19.6–46.8% full (median 31.8%) | — |
| Conservation capacity TWDB | 1,562,367 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 Falcon Reservoir right now?
As of Oct 25, 2026, TWDB reports Falcon Reservoir at 20.2% of its conservation capacity (315,839 of 1,562,367 acre-feet). For this date, the middle half of past years (1996–2025) ranged from 19.6% to 46.8% full, with a median of 31.8%.
What is the record high and low at Falcon Reservoir?
In TWDB's records since 1953, the highest level is 309.28 ft (Jul 18, 2010) and the lowest is 195.30 ft (Aug 23, 1953).
What is full pool at Falcon Reservoir?
The conservation (full) pool elevation used by TWDB is 301.20 ft. The lake is currently 40.27 ft below it.
Is Falcon Reservoir rising or falling?
Over the last 7 days it changed −0.32 ft and over 30 days +0.46 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.