Lake Levels DailyLake Levels Daily

Lake Amistad Water Level Today

Also known as Amistad Reservoir

Daily level, percent full and history for Lake Amistad, on the Rio Grande at the US–Mexico border.

Updated · Source: Texas Water Development BoardTWDB

Water level

1,066.84ft

msl · Daily reading for Nov 7, 2026

  • 50.16 ftbelow full pool (1,117.0 ft)
  • 49.7%full
  • +0.07 ftin 24 h+1.95 ft in 7 days+7.13 ft in 30 days
1,0501,0601,0701,0801,0901,1001,1101,1201,1301,1401,0501,0601,0701,0801,0901,1001,1101,1201,1301,1401,0501,0601,0701,0801,0901,1001,1101,1201,1301,140
  • Full pool
  • 1 yr ago

Storage 901,831 of 1,813,408 acre-ft

Is Lake Amistad full?

No. Lake Amistad is 49.7% full, 50.16 ft below full pool — but up from 36.0% a year ago.

Lake Amistad level history

View data table
DateLevel (ft)% full
Nov 7, 20261,066.8449.7%
Nov 6, 20261,066.7749.6%
Nov 5, 20261,066.6749.5%
Nov 4, 20261,066.5449.3%
Nov 3, 20261,066.3749.1%
Nov 2, 20261,065.9848.6%
Nov 1, 20261,065.4948.0%
Oct 31, 20261,064.8948.4%
Oct 30, 20261,063.9047.1%
Oct 29, 20261,063.1446.2%
Oct 28, 20261,062.9545.9%
Oct 27, 20261,062.9245.9%
Oct 26, 20261,062.8745.8%
Oct 25, 20261,062.8345.8%
Oct 24, 20261,062.7846.6%
Oct 23, 20261,062.7246.5%
Oct 22, 20261,062.6546.4%
Oct 21, 20261,062.5446.3%
Oct 20, 20261,062.3346.0%
Oct 19, 20261,061.9345.5%
Oct 18, 20261,061.4044.9%
Oct 17, 20261,060.9044.9%
Oct 16, 20261,060.4644.4%
Oct 15, 20261,059.8743.7%
Oct 14, 20261,059.8143.6%
Oct 13, 20261,059.8043.6%
Oct 12, 20261,059.7843.6%
Oct 11, 20261,059.7743.6%
Oct 10, 20261,059.7743.6%
Oct 9, 20261,059.7443.6%
Oct 8, 20261,059.7143.5%
  • Lake Amistad level
  • Full pool 1,117.0 ft
  • Above full pool
Source: TWDB · Daily readings since 1968

Lake Amistad on Nov 7 in past years

Lake Amistad water level on Nov 7 in past years
YearLevel (ft)vs today% full
2026today1,066.84—
49.7%
20251,057.59−9.25
36.0%
20241,051.22−15.62
26.7%
20231,063.35−3.49
29.1%
20221,080.14+13.30
46.3%
20211,070.08+3.24
50.6%
20201,073.01+6.17
65.0%
20191,084.85+18.01
75.0%
20181,089.55+22.71
69.5%
20171,092.28+25.44
75.0%
20161,099.87+33.03
83.4%

Today’s level is the highest for this date since 2022.

Lake facts

Full pool (conservation pool)
1,117.0 ft msl
Dead pool
930.00 ft msl
Conservation capacity
1,813,408 acre-ft
Surface area today
26,473 acres
Record high since 1971
1,135.64 ftSep 23, 1974
Record low since 1971
790.09 ftNov 30, 2008
Data since
Jun 1, 1968
Dam
Amistad Damcompleted 1969
River
Rio Grande
Owned by
International Boundary and Water Commission
Dam location
Val Verde County
Gauge location
29.4497, −101.0558

Dam, river and owner from the National Inventory of Dams (USACE). Records start in 1971, after the first filling of the reservoir.

Rio Grande chain

UpstreamRio GrandeDownstream
  1. Elephant Butte Lake4,309.71 ft8.9% full−96.59 ft vs full pool
  2. Lake Amistad1,066.84 ft49.7% full−50.16 ft vs full poolYou are here
  3. Falcon Lake260.76 ft20.8% full−40.44 ft vs full pool

Weather on the lake

  1. Tonight60°FLowN 5–10 mphShowers and Thunderstorms
  2. Sunday62°FHighLow 61°FNNE 5–10 mphShowers and Thunderstorms
  3. Monday64°FHighLow 59°FE 5 mphRain Showers
  4. Tuesday70°FHighLow 61°FSE 0–5 mphPartly Sunny
  5. Wednesday73°FHighLow 60°FNNW 0–5 mphMostly Cloudy
  6. Thursday72°FHighLow 55°FNNW 5–10 mphSunny
  7. Friday70°FHighLow 55°FNNE 5 mphSunny

Forecast: National Weather Service for the dam area (29.45, −101.06). Wind speeds are forecasts, not measurements.

Quick answers

What is the full pool level of Lake Amistad?
1,117.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Amistad Dam.
How much does Lake Amistad need to be full?
Lake Amistad needs 50.16 ft more water to reach full pool (1,117.0 ft), or about 911,577 acre-ft of storage, as of Nov 7, 2026.
Is Lake Amistad rising or falling?
It is rising: +1.95 ft in the last 7 days and +0.07 ft in 24 hours, to 1,066.84 ft on Nov 7, 2026 (Texas Water Development Board).
When was Lake Amistad last full?
It was last at or above full pool (1,117.0 ft) on Apr 12, 2011. On Nov 7, 2026 it was 50.16 ft below.
What was the highest level ever recorded?
Lake Amistad reached 1,135.64 ft on Sep 23, 1974. The lowest was 790.09 ft on Nov 30, 2008 (TWDB data since 1971).
How much has Lake Amistad changed in the last year?
In the last 12 months it ranged from 1,047.17 ft (Jun 2, 2026) to 1,066.84 ft (Nov 7, 2026), a swing of 19.67 ft.
How often is this page updated?
This page is updated every morning with the daily reading published by the Texas Water Development Board. The last reading is from Nov 7, 2026.

Where this data comes from

Daily reservoir data from the Texas Water Development Board (Lake Amistad on waterdatafortexas.org). Updated every morning. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.