Lake Amon G Carter water level today
On Oct 28, 2026, Lake Amon G Carter is at 917.28 ft, 80.6% full (2.72 ft below full pool). That is 0.9 points below normal for this date.
Source: Texas Water Development Board · storage 15,519 of 19,266 acre-ft · provisional data
Lake Amon G Carter percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Lake Amon G Carter from space
The same area near the lowest and the highest level since 2016, on clear days. Compare the shoreline and the coves.


Imagery: NASA GIBS, Harmonized Landsat Sentinel-2 (HLS). Landsat 8/9 courtesy of NASA/USGS; contains modified Copernicus Sentinel data 2026. Black specks are cloud and shadow masks.
Records and key dates
- Record high
- 100.0%Feb 17, 2001
- Record low
- 40.9%Oct 7, 2000
- 12-month high
- 92.0%Oct 29, 2025
- 12-month low
- 73.6%Sep 29, 2026
- Last time full
- Aug 9, 2025
- Change in 1 year
- −1.68 ft−11.6 pts
About Lake Amon G Carter
- River basin
- Trinity
- Full pool (top of conservation pool)
- 920.00 ft
- Conservation capacity
- 19,266 acre-ft
- Surface area today
- 1,289 acres
- Dead pool elevation
- 892.50 ft
- Flood control reservoir
- No
- Data since
- Mar 5, 1999
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 87% | 87% | 86% | 86% | 85% | 88% | 87% | 81% | 76% | 81% | — | — |
| 2025 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 96% | 93% | 90% | 89% |
| 2024 | 83% | 84% | 84% | 92% | 100% | 100% | 100% | 96% | 94% | 91% | 98% | 100% |
| 2023 | 84% | 85% | 95% | 98% | 97% | 100% | 96% | 90% | 84% | 82% | 84% | 83% |
| 2022 | 97% | 96% | 95% | 95% | 100% | 100% | 97% | 92% | 91% | 87% | 86% | 86% |
| 2021 | 94% | 93% | 93% | 92% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% |
| 2020 | 92% | 95% | 99% | 100% | 100% | 100% | 100% | 99% | 99% | 96% | 95% | 94% |
| 2019 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 98% | 98% | 94% | 93% | 92% |
| 2018 | 99% | 98% | 100% | 100% | 100% | 99% | 95% | 91% | 90% | 98% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 100% | 100% | 99% | 96% | 95% | 94% | 100% | 100% | 100% |
Frequently asked questions
Is Lake Amon G Carter full?
Not quite. On Oct 28, 2026 Lake Amon G Carter was 80.6% full, 2.72 feet below its full pool elevation of 920.00 ft. It was last full on Aug 9, 2025.
What is the normal level of Lake Amon G Carter for this time of year?
Between 1996 and 2025, Lake Amon G Carter averaged 81.5% full around Oct 28, and 8 in 10 years it was between 51.1% and 100.0%. Today it is −0.9 percentage points below that average.
What is the lowest Lake Amon G Carter has been?
In the TWDB record, which starts in 1999, the lowest daily value was 40.9% on Oct 7, 2000. The highest was 100.0% on Feb 17, 2001.
How often is the Lake Amon G Carter water level updated?
TWDB publishes one reading per day for each reservoir. We check for new data every 2 hours and show the date of the reading next to the level. Recent values are provisional.
What does percent full mean?
It is the water stored in the conservation pool divided by the conservation capacity (19,266 acre-feet for Lake Amon G Carter). Water above the conservation pool is flood storage and is not counted, so a reservoir can show 100% while rising into its flood pool.