Ubc Dam 21 water level today
Lake in Williamson County, Texas
At a glance · Oct 24
Ubc Dam 21 is 1.7 ft lower than normal for Oct 24, lower than on this date in 9 of the last 10 years.
- This week↘ Falling 0.12 ft
- Lowest on record↓ 615.86 ft (2025)
Compared with this gauge's own records for the same date. A statistical guide, not advice.
Today compared with past years on Oct 24
Where today's reading sits among this gauge's own records for the same date (±3 days). A statistical guide, not advice.
What this means
It is lower than on Oct 24 in 9 of the last 10 years.
The lake has fallen 0.12 ft in 7 days and fallen 0.68 ft in 30 days.
Since 2013, the lowest daily level was 615.86 ft (Sep 2025) and the highest 629.54 ft (May 2015).
Ubc Dam 21 level chart
Loading chart…
2026 compared with 2025
Each year drawn on the same January–December axis, over this gauge's normal range for each date. Hover or tap a point for its value.
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 24, 2025 | 616.09 ft | 0.00 ft |
| Oct 24, 2024 | 617.68 ft | ▲ 1.59 ft |
| Oct 24, 2023 | 617.68 ft | ▲ 1.59 ft |
| Oct 24, 2022 | 617.68 ft | ▲ 1.59 ft |
| Oct 24, 2021 | 618.14 ft | ▲ 2.05 ft |
| Oct 24, 2020 | 617.69 ft | ▲ 1.60 ft |
| Oct 24, 2019 | 617.69 ft | ▲ 1.60 ft |
| Oct 24, 2018 | 619.11 ft | ▲ 3.02 ft |
| Oct 24, 2017 | 617.75 ft | ▲ 1.66 ft |
| Oct 24, 2016 | 618.42 ft | ▲ 2.33 ft |
Records & details
- Highest
- 629.54 ft on May 26, 2015
- Lowest
- 615.86 ft on Sep 14, 2025
- Records from
- 2013 (13 years of daily data)
- Water temperature
- Not measured here
Weather & wind
Wind S 0 to 5 mph
Wind SE 0 to 10 mph
Wind SE 5 to 10 mph
Wind SE 5 to 10 mph
Wind SE 0 to 5 mph
Wind E 0 to 5 mph
NOAA National Weather Service forecast for this lake's location, updated 1 h ago.