Lake Sweetwater water level history
Daily records since 2007 · Level today: 2,090.25 ft
Highest on record
2,116.99 ft
May 8, 2019
Lowest on record
2,085.97 ft
Oct 21, 2015
Today
2,090.25 ft
Oct 23, 2026
Years of data
19
since 2007
In short
Across 17 complete years, 2015 had the lowest average level (2,087.67 ft) and 2019 the highest (2,116.39 ft).
On average the lake is lowest in September (2,101.20 ft) and highest in November (2,103.21 ft).
Lake Sweetwater level, all years
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Each year's lowest and highest level
Lowest to highest that yearYear average2026 so far
One bar per year from the lowest to the highest daily level, with the year's average. Years with no bar have no daily record in the agency archive.
Lowest years
Years ranked by their lowest daily level.
- 2015
- 2016
- 2014
- 2018
- 2017
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (290 days) | 2,093.09 | 2,090.28 | Oct 21 | 2,095.01 | Jan 1 |
| 2025 | 2,097.77 | 2,095.02 | Dec 31 | 2,099.87 | Jan 4 |
| 2024 | 2,101.87 | 2,099.87 | Dec 31 | 2,103.77 | Jan 3 |
| 2023 | 2,105.75 | 2,103.73 | Dec 12 | 2,107.61 | Jan 2 |
| 2022 | 2,110.10 | 2,107.61 | Dec 30 | 2,112.43 | Jan 1 |
| 2021 | 2,113.02 | 2,112.32 | Apr 27 | 2,114.33 | Jul 14 |
| 2020 | 2,115.02 | 2,112.78 | Dec 28 | 2,116.77 | Mar 19 |
| 2019 | 2,116.39 | 2,115.53 | Nov 2 | 2,116.99 | May 8 |
| 2018 | 2,096.43 | 2,088.43 | Sep 4 | 2,116.88 | Dec 14 |
| 2017 | 2,093.59 | 2,092.16 | Dec 27 | 2,094.76 | Jun 5 |
| 2016 | 2,091.81 | 2,087.56 | Jan 1 | 2,094.38 | Jul 1 |
| 2015 | 2,087.67 | 2,085.97 | Oct 21 | 2,088.76 | Jun 17 |
| 2014 | 2,090.49 | 2,088.15 | Dec 30 | 2,092.94 | Jan 1 |
| 2013 | 2,095.11 | 2,092.94 | Dec 30 | 2,097.44 | Jan 10 |
| 2012 | 2,099.75 | 2,097.33 | Dec 29 | 2,101.97 | Jan 11 |
| 2011 | 2,105.36 | 2,101.85 | Dec 2 | 2,108.27 | Jan 9 |
| 2010 (300 days) | 2,109.45 | 2,108.13 | Dec 17 | 2,110.60 | May 18 |
| 2009 | 2,110.51 | 2,108.77 | Dec 20 | 2,112.30 | Jan 1 |
| 2008 | 2,113.03 | 2,112.04 | May 23 | 2,115.12 | May 30 |
| 2007 (73 days) | 2,111.77 | 2,111.51 | Nov 1 | 2,112.07 | Dec 29 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 2,103.09 | 2,087.56 | 2,116.81 |
| February | 2,103.17 | 2,088.13 | 2,116.76 |
| March | 2,102.98 | 2,088.10 | 2,116.77 |
| April | 2,102.88 | 2,087.94 | 2,116.79 |
| May | 2,102.82 | 2,087.84 | 2,116.99 |
| June | 2,102.57 | 2,088.34 | 2,116.80 |
| July | 2,101.71 | 2,088.09 | 2,116.66 |
| August | 2,101.60 | 2,087.29 | 2,116.50 |
| September | 2,101.20 | 2,086.44 | 2,116.25 |
| October | 2,101.89 | 2,085.97 | 2,115.96 |
| November | 2,103.21 | 2,086.32 | 2,116.81 |
| December | 2,102.99 | 2,087.25 | 2,116.88 |
Download
Daily levels as CSV (6,745 rows; credit the original agencies listed below)