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Hartwell Lake water level today
Hartwell Lake is at 649.09 ft, as of October 18, 2026.
- Past week: down 0.24 ft
- Compared with a year ago: down 6.80 ft
- 7.63 ft below the 10-year average for October 18 (656.72 ft)
- Lower on this date in 1 of the 14 years on record
Water level649.09 ftelevation, feet
vs. normal-7.63 ft10-year average for today
7-day change-0.24 ft
30-day change-0.62 ft
1-year change-6.80 ft
Past 12 months
Past 12 monthsYear before
Last 30 days
| Date | Level (ft) |
|---|---|
| Oct 18 | 649.09 |
| Oct 17 | 649.08 |
| Oct 16 | 649.02 |
| Oct 15 | 649.10 |
| Oct 14 | 649.22 |
| Oct 13 | 649.30 |
| Oct 12 | 649.41 |
| Oct 11 | 649.33 |
| Oct 10 | 649.00 |
| Oct 9 | 648.95 |
| Oct 8 | 648.91 |
| Oct 7 | 648.96 |
| Oct 6 | 649.08 |
| Oct 5 | 649.23 |
| Oct 4 | 649.24 |
| Oct 3 | 649.18 |
| Oct 2 | 649.08 |
| Oct 1 | 649.10 |
| Sep 30 | 649.14 |
| Sep 29 | 649.17 |
| Sep 28 | 649.23 |
| Sep 27 | 649.25 |
| Sep 26 | 649.24 |
| Sep 25 | 649.23 |
| Sep 24 | 649.21 |
| Sep 23 | 649.23 |
| Sep 22 | 649.34 |
| Sep 21 | 649.39 |
| Sep 20 | 649.50 |
| Sep 19 | 649.64 |
| Sep 18 | 649.71 |
This date in past years
| Date | Level (ft) | Today vs. then |
|---|---|---|
| October 18, 2025 | 655.89 | -6.80 |
| October 18, 2024 | 658.76 | -9.67 |
| October 18, 2023 | 654.49 | -5.40 |
| October 18, 2022 | 655.19 | -6.10 |
| October 18, 2021 | 662.36 | -13.27 |
| October 18, 2020 | 661.45 | -12.36 |
| October 18, 2019 | 655.61 | -6.52 |
| October 18, 2018 | 658.64 | -9.55 |
| October 18, 2017 | 651.57 | -2.48 |
| October 18, 2016 | 653.20 | -4.11 |
Records
Highest level on record: 664.85 ft (January 5, 2016). Lowest: 644.78 ft (December 15, 2012). Records in this series start October 23, 2011.
About these numbers
- Levels are daily mean water-surface elevations measured by the U.S. Geological Survey at this lake's gauge
- Recent readings are provisional and can be revised once USGS reviews them
- "vs. normal" compares today with the average for the same calendar date over the last 10 years of this gauge's record
- Latest reading: October 18, 2026. Official USGS page for this gauge