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Lake Merwin water level today
Lake Merwin is at 229.10 ft, as of October 18, 2026.
- Past week: down 0.69 ft
- Compared with a year ago: down 0.90 ft
- 6.16 ft below the 9-year average for October 18 (235.26 ft)
Water level229.10 ftelevation, feet
vs. normal-6.16 ft9-year average for today
7-day change-0.69 ft
30-day change-1.90 ft
1-year change-0.90 ft
Past 12 months
Past 12 monthsYear before
Last 30 days
| Date | Level (ft) |
|---|---|
| Oct 18 | 229.10 |
| Oct 17 | 229.48 |
| Oct 16 | 230.00 |
| Oct 15 | 230.00 |
| Oct 14 | 230.00 |
| Oct 13 | 230.00 |
| Oct 12 | 229.83 |
| Oct 11 | 229.79 |
| Oct 10 | 230.00 |
| Oct 9 | 230.00 |
| Oct 8 | 230.00 |
| Oct 7 | 230.00 |
| Oct 6 | 230.00 |
| Oct 5 | 230.00 |
| Oct 4 | 230.00 |
| Oct 3 | 229.79 |
| Oct 2 | 229.50 |
| Oct 1 | 229.31 |
| Sep 30 | 229.00 |
| Sep 29 | 229.04 |
| Sep 28 | 229.10 |
| Sep 27 | 229.06 |
| Sep 26 | 229.00 |
| Sep 25 | 229.00 |
| Sep 24 | 229.00 |
| Sep 23 | 229.52 |
| Sep 22 | 230.00 |
| Sep 21 | 230.10 |
| Sep 20 | 230.88 |
| Sep 19 | 231.00 |
| Sep 18 | 231.00 |
This date in past years
| Date | Level (ft) | Today vs. then |
|---|---|---|
| October 18, 2025 | 230.00 | -0.90 |
| October 18, 2024 | 231.10 | -2.00 |
| October 18, 2023 | 237.44 | -8.34 |
| October 18, 2022 | 238.77 | -9.67 |
| October 18, 2021 | 235.60 | -6.50 |
| October 18, 2020 | 233.60 | -4.50 |
| October 18, 2019 | 237.00 | -7.90 |
| October 18, 2018 | 236.08 | -6.98 |
| October 18, 2017 | 237.74 | -8.64 |
Records
Highest level on record: 239.43 ft (April 20, 2019). Lowest: 218.52 ft (January 25, 2022). Records in this series start September 30, 2017.
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