Coleto Creek Reservoir water level today
On Oct 28, 2026, Coleto Creek Reservoir is at 94.68 ft, 75.0% full (3.32 ft below full pool). That is 11.2 points below normal for this date.
Source: Texas Water Development Board · storage 23,265 of 31,040 acre-ft · provisional data
Coleto Creek Reservoir percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Records and key dates
- Record high
- 100.0%Nov 6, 1998
- Record low
- 62.4%Jan 8, 2015
- 12-month high
- 84.5%Jul 24, 2026
- 12-month low
- 70.9%Oct 1, 2026
- Last time full
- Jul 21, 2025
- Change in 1 year
- −0.87 ft−6.2 pts
About Coleto Creek Reservoir
- River basin
- Guadalupe
- Full pool (top of conservation pool)
- 98.00 ft
- Conservation capacity
- 31,040 acre-ft
- Surface area today
- 2,183 acres
- Dead pool elevation
- 0.00 ft
- Flood control reservoir
- No
- Data since
- Nov 6, 1998
Monthly average, last 10 years
Average percent full each month.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 76% | 76% | 76% | 75% | 76% | 83% | 83% | 78% | 73% | 75% | — | — |
| 2025 | 90% | 89% | 87% | 88% | 85% | 96% | 100% | 95% | 89% | 83% | 80% | 77% |
| 2024 | 83% | 100% | 100% | 99% | 96% | 94% | 92% | 95% | 90% | 84% | 79% | 80% |
| 2023 | 85% | 88% | 87% | 90% | 98% | 100% | 95% | 86% | 79% | 76% | 76% | 76% |
| 2022 | 97% | 96% | 94% | 90% | 86% | 82% | 82% | 81% | 91% | 86% | 83% | 82% |
| 2021 | 68% | 68% | 70% | 70% | 87% | 100% | 100% | 100% | 98% | 99% | 100% | 100% |
| 2020 | 72% | 73% | 74% | 75% | 75% | 75% | 70% | 66% | 65% | 65% | 65% | 66% |
| 2019 | 100% | 100% | 100% | 100% | 100% | 99% | 94% | 88% | 82% | 78% | 75% | 73% |
| 2018 | 91% | 90% | 89% | 88% | 83% | 80% | 80% | 74% | 83% | 98% | 100% | 100% |
| 2017 | 82% | 89% | 99% | 97% | 93% | 90% | 88% | 86% | 100% | 99% | 95% | 93% |
Frequently asked questions
Is Coleto Creek Reservoir full?
Not quite. On Oct 28, 2026 Coleto Creek Reservoir was 75.0% full, 3.32 feet below its full pool elevation of 98.00 ft. It was last full on Jul 21, 2025.
What is the normal level of Coleto Creek Reservoir for this time of year?
Between 1996 and 2025, Coleto Creek Reservoir averaged 86.2% full around Oct 28, and 8 in 10 years it was between 74.0% and 100.0%. Today it is −11.2 percentage points below that average.
What is the lowest Coleto Creek Reservoir has been?
In the TWDB record, which starts in 1998, the lowest daily value was 62.4% on Jan 8, 2015. The highest was 100.0% on Nov 6, 1998.
How often is the Coleto Creek Reservoir 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 (31,040 acre-feet for Coleto Creek Reservoir). Water above the conservation pool is flood storage and is not counted, so a reservoir can show 100% while rising into its flood pool.