Big Sandy Reservoir water level today
Lake in Sweetwater County, Wyoming
6,738.93ft
2,054.03 m · NGVD29
Measured · provisional
Normal for the dateRising
What this means
It is lower than on Oct 21 in 7 of the last 10 years.
The lake has risen 2.51 ft in 7 days and risen 5.43 ft in 30 days.
Since 1999, the lowest daily level was 6,721.87 ft (Sep 2000) and the highest 6,763.29 ft (Jun 2024).
Big Sandy Reservoir level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 21, 2025 | 6,744.42 ft | ▲ 5.49 ft |
| Oct 21, 2024 | 6,750.50 ft | ▲ 11.57 ft |
| Oct 21, 2023 | 6,757.25 ft | ▲ 18.32 ft |
| Oct 21, 2022 | 6,733.34 ft | ▼ 5.59 ft |
| Oct 21, 2021 | 6,731.38 ft | ▼ 7.55 ft |
| Oct 21, 2020 | 6,738.40 ft | ▼ 0.53 ft |
| Oct 21, 2019 | 6,748.83 ft | ▲ 9.90 ft |
| Oct 21, 2018 | 6,744.40 ft | ▲ 5.47 ft |
| Oct 21, 2017 | 6,752.60 ft | ▲ 13.67 ft |
| Oct 21, 2016 | 6,746.62 ft | ▲ 7.69 ft |
Records & details
- Highest
- 6,763.29 ft on Jun 10, 2024
- Lowest
- 6,721.87 ft on Sep 15, 2000
- Records from
- 1999 (27 years of daily data)
- Water temperature
- Not measured here