Belton Lake water level today
On Oct 28, 2026, Belton Lake is at 592.67 ft, 96.2% full (1.33 ft below full pool). That is 4.8 points above normal for this date.
Source: Texas Water Development Board · storage 416,312 of 432,631 acre-ft · provisional data
Belton Lake percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Records and key dates
- Record high
- 100.0%Mar 9, 1988
- Record low
- 54.0%Oct 22, 2023
- 12-month high
- 100.0%Apr 22, 2026
- 12-month low
- 94.7%Sep 30, 2026
- Last time full
- Aug 17, 2026
- Change in 1 year
- −0.95 ft−2.7 pts
About Belton Lake
- River basin
- Brazos
- Full pool (top of conservation pool)
- 594.00 ft
- Conservation capacity
- 432,631 acre-ft
- Surface area today
- 12,096 acres
- Dead pool elevation
- 483.00 ft
- Flood control reservoir
- Yes
- Water supply for
- Temple Killeen
- Data since
- Mar 9, 1988
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% | 97% | 99% | 100% | 100% | 100% | 100% | 96% | 97% | — | — |
| 2025 | 93% | 93% | 92% | 91% | 93% | 99% | 100% | 100% | 100% | 99% | 98% | 99% |
| 2024 | 62% | 67% | 69% | 75% | 98% | 100% | 100% | 99% | 97% | 95% | 93% | 94% |
| 2023 | 65% | 65% | 65% | 64% | 66% | 67% | 64% | 60% | 57% | 55% | 62% | 61% |
| 2022 | 93% | 92% | 91% | 90% | 89% | 86% | 82% | 78% | 75% | 69% | 67% | 67% |
| 2021 | 98% | 98% | 98% | 98% | 100% | 100% | 100% | 100% | 98% | 97% | 95% | 94% |
| 2020 | 92% | 93% | 98% | 100% | 100% | 100% | 98% | 94% | 99% | 100% | 98% | 97% |
| 2019 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 97% | 95% | 93% | 92% |
| 2018 | 91% | 91% | 93% | 94% | 94% | 93% | 90% | 87% | 86% | 94% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 97% | 95% | 93% | 92% |
Frequently asked questions
Is Belton Lake full?
Not quite. On Oct 28, 2026 Belton Lake was 96.2% full, 1.33 feet below its full pool elevation of 594.00 ft. It was last full on Aug 17, 2026.
What is the normal level of Belton Lake for this time of year?
Between 1996 and 2025, Belton Lake averaged 91.4% full around Oct 28, and 8 in 10 years it was between 70.6% and 100.0%. Today it is +4.8 percentage points above that average.
What is the lowest Belton Lake has been?
In the TWDB record, which starts in 1988, the lowest daily value was 54.0% on Oct 22, 2023. The highest was 100.0% on Mar 9, 1988.
How often is the Belton 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 (432,631 acre-feet for Belton 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.