Waco Lake water level today
On Oct 28, 2026, Waco Lake is at 459.15 ft, 86.7% full (3.07 ft below full pool). That is 3.1 points below normal for this date.
Source: Texas Water Development Board · storage 163,829 of 188,891 acre-ft · provisional data
Waco Lake percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Waco Lake 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 2023. Black specks are cloud and shadow masks.
Records and key dates
- Record high
- 100.0%Aug 31, 1996
- Record low
- 55.3%Oct 22, 2023
- 12-month high
- 100.0%Apr 14, 2026
- 12-month low
- 85.5%Sep 30, 2026
- Last time full
- Jul 3, 2026
- Change in 1 year
- −2.70 ft−11.7 pts
About Waco Lake
- River basin
- Brazos
- Full pool (top of conservation pool)
- 462.22 ft
- Conservation capacity
- 188,891 acre-ft
- Surface area today
- 7,848 acres
- Dead pool elevation
- 400.22 ft
- Flood control reservoir
- Yes
- Water supply for
- Waco
- Data since
- Oct 3, 1995
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 98% | 98% | 98% | 99% | 100% | 100% | 99% | 94% | 88% | 88% | — | — |
| 2025 | 90% | 92% | 91% | 91% | 97% | 100% | 100% | 100% | 100% | 98% | 98% | 98% |
| 2024 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 97% | 94% | 92% | 90% |
| 2023 | 57% | 58% | 59% | 59% | 66% | 72% | 68% | 63% | 59% | 62% | 100% | 98% |
| 2022 | 86% | 84% | 82% | 80% | 79% | 76% | 71% | 66% | 63% | 59% | 57% | 58% |
| 2021 | 97% | 97% | 97% | 97% | 100% | 100% | 100% | 100% | 99% | 95% | 92% | 89% |
| 2020 | 79% | 85% | 99% | 100% | 100% | 100% | 99% | 94% | 99% | 98% | 95% | 93% |
| 2019 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 96% | 90% | 85% | 83% | 80% |
| 2018 | 84% | 84% | 92% | 95% | 97% | 95% | 90% | 85% | 84% | 94% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 96% | 93% | 90% | 87% | 85% |
Frequently asked questions
Is Waco Lake full?
Not quite. On Oct 28, 2026 Waco Lake was 86.7% full, 3.07 feet below its full pool elevation of 462.22 ft. It was last full on Jul 3, 2026.
What is the normal level of Waco Lake for this time of year?
Between 1996 and 2025, Waco Lake averaged 89.8% full around Oct 28, and 8 in 10 years it was between 74.2% and 100.0%. Today it is −3.1 percentage points below that average.
What is the lowest Waco Lake has been?
In the TWDB record, which starts in 1995, the lowest daily value was 55.3% on Oct 22, 2023. The highest was 100.0% on Aug 31, 1996.
How often is the Waco Lake 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 (188,891 acre-feet for Waco Lake). Water above the conservation pool is flood storage and is not counted, so a reservoir can show 100% while rising into its flood pool.