Lost Creek Reservoir water level today
On Oct 28, 2026, Lost Creek Reservoir is at 1,005.34 ft, 87.3% full (4.16 ft below full pool). That is 2.9 points below normal for this date.
Lowest since January 2024Near normal
Source: Texas Water Development Board · storage 10,431 of 11,950 acre-ft · provisional data
Lost Creek Reservoir percent full history
Percent full Normal range (10th–90th percentile, 1996–2025) Average
Records and key dates
- Record high
- 100.0%Mar 19, 1999
- Record low
- 59.8%Feb 19, 2015
- 12-month high
- 96.2%Oct 29, 2025
- 12-month low
- 87.3%Sep 30, 2026
- Last time full
- Jun 18, 2025
- Change in 1 year
- −3.12 ft−9.1 pts
About Lost Creek Reservoir
- River basin
- Trinity
- Full pool (top of conservation pool)
- 1,009.50 ft
- Conservation capacity
- 11,950 acre-ft
- Surface area today
- —
- Dead pool elevation
- 0.00 ft
- Flood control reservoir
- No
- Data since
- Mar 4, 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 | 94% | 93% | 93% | 95% | 96% | 96% | 94% | 91% | 88% | 88% | — | — |
| 2025 | 99% | 99% | 98% | 98% | 100% | 99% | 98% | 98% | 98% | 97% | 95% | 94% |
| 2024 | 88% | 90% | 92% | 93% | 97% | 99% | 97% | 94% | 92% | 91% | 98% | 100% |
| 2023 | 88% | 90% | 96% | 99% | 99% | 98% | 96% | 93% | 90% | 89% | 89% | 88% |
| 2022 | 96% | 96% | 96% | 96% | 97% | 96% | 94% | 91% | 90% | 88% | 88% | 88% |
| 2021 | 95% | 96% | 97% | 98% | 100% | 100% | 99% | 99% | 99% | 98% | 98% | 97% |
| 2020 | 96% | 100% | 100% | 100% | 100% | 100% | 99% | 97% | 96% | 95% | 95% | 94% |
| 2019 | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 96% | 95% | 93% | 93% | 94% |
| 2018 | 96% | 97% | 100% | 99% | 99% | 98% | 95% | 92% | 92% | 98% | 100% | 100% |
| 2017 | 100% | 100% | 100% | 100% | 98% | 98% | 97% | 95% | 94% | 99% | 98% | 97% |
Frequently asked questions
Is Lost Creek Reservoir full?
Not quite. On Oct 28, 2026 Lost Creek Reservoir was 87.3% full, 4.16 feet below its full pool elevation of 1,009.50 ft. It was last full on Jun 18, 2025.
What is the normal level of Lost Creek Reservoir for this time of year?
Between 1996 and 2025, Lost Creek Reservoir averaged 90.2% full around Oct 28, and 8 in 10 years it was between 76.3% and 98.8%. Today it is −2.9 percentage points below that average.
What is the lowest Lost Creek Reservoir has been?
In the TWDB record, which starts in 1999, the lowest daily value was 59.8% on Feb 19, 2015. The highest was 100.0% on Mar 19, 1999.
How often is the Lost 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 (11,950 acre-feet for Lost 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.