Big Sandy Reservoir water level history
Daily records since 1999 · Level today: 6,739.02 ft
Highest on record
6,763.29 ft
Jun 10, 2024
Lowest on record
6,721.87 ft
Sep 15, 2000
Today
6,739.02 ft
Oct 21, 2026
Years of data
27
since 1999
In short
Across 22 complete years, 2003 had the lowest average level (6,737.80 ft) and 2024 the highest (6,756.71 ft).
On average the lake is lowest in September (6,741.09 ft) and highest in June (6,754.83 ft).
Big Sandy Reservoir level, all years
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Lowest years
Years ranked by their lowest daily level.
- 2021
- 2022
- 2003
- 2013
- 2007
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (293 days) | 6,746.36 | 6,732.50 | Sep 15 | 6,754.54 | Jun 1 |
| 2025 | 6,750.26 | 6,743.75 | Sep 12 | 6,757.65 | Jun 15 |
| 2024 | 6,756.71 | 6,750.41 | Oct 11 | 6,763.29 | Jun 10 |
| 2023 | 6,751.58 | 6,737.30 | Jan 1 | 6,762.94 | Jun 22 |
| 2022 | 6,739.70 | 6,728.37 | Sep 16 | 6,752.05 | Jun 23 |
| 2021 | 6,738.54 | 6,725.17 | Sep 2 | 6,749.55 | Jun 12 |
| 2020 | 6,747.43 | 6,737.86 | Sep 18 | 6,756.80 | Jun 11 |
| 2019 | 6,750.06 | 6,745.60 | Jan 1 | 6,757.63 | Jun 22 |
| 2018 | 6,751.85 | 6,743.79 | Sep 24 | 6,758.34 | May 28 |
| 2017 | 6,753.80 | 6,749.90 | Jan 1 | 6,758.88 | Jun 9 |
| 2016 | 6,750.12 | 6,744.22 | Sep 16 | 6,758.06 | Jun 11 |
| 2015 | 6,751.05 | 6,746.90 | Sep 16 | 6,757.91 | Jun 12 |
| 2014 (315 days) | 6,746.59 | 6,740.10 | Jan 1 | 6,754.01 | Jun 21 |
| 2013 | 6,739.85 | 6,730.24 | Aug 15 | 6,750.65 | Jun 3 |
| 2012 | 6,746.07 | 6,733.40 | Sep 14 | 6,757.03 | May 23 |
| 2011 | 6,750.56 | 6,746.89 | Jan 1 | 6,758.65 | Jul 2 |
| 2010 | 6,749.28 | 6,745.13 | Sep 17 | 6,757.19 | Jun 30 |
| 2009 | 6,748.37 | 6,742.54 | Jan 1 | 6,758.08 | Jun 28 |
| 2008 | 6,744.52 | 6,739.33 | Sep 15 | 6,754.76 | Jul 1 |
| 2007 | 6,743.53 | 6,733.20 | Sep 3 | 6,753.81 | May 26 |
| 2006 | 6,749.36 | 6,739.54 | Sep 15 | 6,757.79 | May 28 |
| 2005 | 6,752.79 | 6,749.27 | Jan 1 | 6,758.33 | Jun 24 |
| 2004 | 6,745.82 | 6,736.00 | Jan 29 | 6,753.18 | Jul 11 |
| 2003 | 6,737.80 | 6,729.82 | Aug 20 | 6,750.04 | Jun 4 |
| 2002 (311 days) | 6,734.41 | 6,725.86 | Aug 17 | 6,748.40 | Jun 11 |
| 2001 (77 days) | 6,729.15 | 6,725.40 | Sep 30 | 6,731.36 | Dec 31 |
| 2000 (243 days) | 6,746.44 | 6,721.87 | Sep 15 | 6,756.54 | Jun 11 |
| 1999 (93 days) | 6,747.51 | 6,746.68 | Sep 30 | 6,748.13 | Dec 31 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 6,745.38 | 6,731.39 | 6,758.48 |
| February | 6,745.55 | 6,732.21 | 6,758.87 |
| March | 6,746.43 | 6,732.80 | 6,759.51 |
| April | 6,748.26 | 6,734.66 | 6,760.98 |
| May | 6,751.44 | 6,739.20 | 6,763.05 |
| June | 6,754.83 | 6,747.38 | 6,763.29 |
| July | 6,753.05 | 6,737.93 | 6,762.62 |
| August | 6,746.73 | 6,725.86 | 6,760.77 |
| September | 6,741.09 | 6,721.87 | 6,757.75 |
| October | 6,742.50 | 6,725.44 | 6,757.39 |
| November | 6,743.86 | 6,727.50 | 6,757.86 |
| December | 6,744.85 | 6,730.06 | 6,758.23 |
Download
Daily levels as CSV (9,246 rows; credit the original agencies listed below)