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Swift Reservoir water level today

Swift Reservoir is at 958.81 ft, as of October 18, 2026.

  • Past week: down 4.00 ft
  • Compared with a year ago: down 2.19 ft
  • 8.17 ft below the 8-year average for October 18 (966.98 ft)
Water level958.81 ftelevation, feet
vs. normal-8.17 ft8-year average for today
7-day change-4.00 ft
30-day change-8.19 ft
1-year change-2.19 ft

Past 12 months

9479619759891,003NovDecJanFebMarAprMayJunJulAugSepOct

Past 12 monthsYear before

Last 30 days

DateLevel (ft)
Oct 18958.81
Oct 17959.08
Oct 16959.94
Oct 15960.90
Oct 14961.00
Oct 13961.15
Oct 12962.00
Oct 11962.81
Oct 10963.00
Oct 9963.00
Oct 8963.00
Oct 7963.00
Oct 6963.48
Oct 5964.00
Oct 4964.73
Oct 3965.00
Oct 2965.77
Oct 1966.00
Sep 30966.73
Sep 29967.00
Sep 28967.00
Sep 27967.77
Sep 26968.00
Sep 25968.00
Sep 24967.56
Sep 23967.00
Sep 22967.00
Sep 21967.00
Sep 20967.00
Sep 19967.00
Sep 18967.00

This date in past years

DateLevel (ft)Today vs. then
October 18, 2025961.00-2.19
October 18, 2024953.00+5.81
October 18, 2023952.00+6.81
October 18, 2022979.31-20.50
October 18, 2021974.00-15.19
October 18, 2019962.98-4.17
October 18, 2018977.10-18.29
October 18, 2017976.44-17.63

Records

Highest level on record: 999.00 ft (May 26, 2020). Lowest: 951.00 ft (October 15, 2023). 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

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Where Swift Reservoir is

Lake Chelan — -0.5 ft vs. normal for todayLake Sammamish — -0.2 ft vs. normal for todayMoses Lake — +0.1 ft vs. normal for todayLake Merwin — -6.2 ft vs. normal for todaySwift Reservoir — -8.2 ft vs. normal for today
Swift Reservoir and other Washington lakes. Outline: U.S. Census Bureau.

Other lakes in Washington