Country: USA
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Lake Tapps water level history

Daily records since 2002 · Level today: 539.20 ft

Highest on record
542.54 ft
Jul 13, 2007
Lowest on record
498.45 ft
Mar 13, 2003
Today
539.20 ft
Oct 23, 2026
Years of data
24
since 2002

In short

Across 23 complete years, 2015 had the lowest average level (528.63 ft) and 2016 the highest (541.17 ft).

On average the lake is lowest in February (532.55 ft) and highest in August (541.98 ft).

Lake Tapps level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Each year's lowest and highest level

4965085205335452002200520082011201420172020202320262002: lowest 523.66 ft (2002-12-10), highest 539.43 ft (2002-10-01), average 530.31 ft, 92 days measured2003: lowest 498.45 ft (2003-03-13), highest 542.47 ft (2003-06-18), average 530.00 ft, 355 days measured2004: lowest 525.59 ft (2004-01-14), highest 542.33 ft (2004-04-20), average 539.45 ft, 361 days measured2005: lowest 524.00 ft (2005-02-16), highest 542.27 ft (2005-08-01), average 536.78 ft, 365 days measured2006: lowest 521.96 ft (2006-12-07), highest 541.96 ft (2006-05-28), average 536.69 ft, 365 days measured2007: lowest 522.06 ft (2007-01-14), highest 542.54 ft (2007-07-13), average 533.50 ft, 365 days measured2008: lowest 532.70 ft (2008-12-26), highest 542.14 ft (2008-08-30), average 540.17 ft, 359 days measured2009: lowest 532.45 ft (2009-12-31), highest 542.25 ft (2009-08-13), average 539.66 ft, 363 days measured2010: lowest 529.15 ft (2010-01-29), highest 542.31 ft (2010-06-02), average 538.76 ft, 365 days measured2011: lowest 534.85 ft (2011-03-17), highest 542.47 ft (2011-09-21), average 539.82 ft, 365 days measured2012: lowest 533.46 ft (2012-03-06), highest 542.37 ft (2012-05-04), average 539.71 ft, 366 days measured2013: lowest 532.87 ft (2013-02-09), highest 542.47 ft (2013-05-08), average 539.74 ft, 365 days measured2014: lowest 499.25 ft (2014-11-20), highest 542.51 ft (2014-07-23), average 531.63 ft, 358 days measured2015: lowest 500.80 ft (2015-01-14), highest 542.33 ft (2015-08-13), average 528.63 ft, 365 days measured2016: lowest 538.82 ft (2016-02-02), highest 542.49 ft (2016-05-15), average 541.17 ft, 366 days measured2017: lowest 536.04 ft (2017-02-11), highest 542.45 ft (2017-05-17), average 540.64 ft, 365 days measured2018: lowest 529.63 ft (2018-02-12), highest 542.49 ft (2018-05-09), average 539.26 ft, 360 days measured2019: lowest 535.27 ft (2019-12-31), highest 542.47 ft (2019-05-01), average 540.98 ft, 365 days measured2020: lowest 533.97 ft (2020-03-01), highest 542.47 ft (2020-05-14), average 539.62 ft, 366 days measured2021: lowest 534.39 ft (2021-02-01), highest 542.48 ft (2021-05-18), average 540.51 ft, 353 days measured2022: lowest 537.62 ft (2022-12-31), highest 542.54 ft (2022-05-06), average 540.90 ft, 362 days measured2023: lowest 537.37 ft (2023-01-06), highest 542.49 ft (2023-05-12), average 540.56 ft, 365 days measured2024: lowest 537.43 ft (2024-02-04), highest 542.45 ft (2024-05-14), average 540.88 ft, 366 days measured2025: lowest 538.25 ft (2025-03-08), highest 542.46 ft (2025-08-15), average 540.53 ft, 363 days measured2026: lowest 538.62 ft (2026-01-26), highest 542.49 ft (2026-05-01), average 540.87 ft, 294 days measured
496508520533545200220082014202020262002: lowest 523.66 ft (2002-12-10), highest 539.43 ft (2002-10-01), average 530.31 ft, 92 days measured2003: lowest 498.45 ft (2003-03-13), highest 542.47 ft (2003-06-18), average 530.00 ft, 355 days measured2004: lowest 525.59 ft (2004-01-14), highest 542.33 ft (2004-04-20), average 539.45 ft, 361 days measured2005: lowest 524.00 ft (2005-02-16), highest 542.27 ft (2005-08-01), average 536.78 ft, 365 days measured2006: lowest 521.96 ft (2006-12-07), highest 541.96 ft (2006-05-28), average 536.69 ft, 365 days measured2007: lowest 522.06 ft (2007-01-14), highest 542.54 ft (2007-07-13), average 533.50 ft, 365 days measured2008: lowest 532.70 ft (2008-12-26), highest 542.14 ft (2008-08-30), average 540.17 ft, 359 days measured2009: lowest 532.45 ft (2009-12-31), highest 542.25 ft (2009-08-13), average 539.66 ft, 363 days measured2010: lowest 529.15 ft (2010-01-29), highest 542.31 ft (2010-06-02), average 538.76 ft, 365 days measured2011: lowest 534.85 ft (2011-03-17), highest 542.47 ft (2011-09-21), average 539.82 ft, 365 days measured2012: lowest 533.46 ft (2012-03-06), highest 542.37 ft (2012-05-04), average 539.71 ft, 366 days measured2013: lowest 532.87 ft (2013-02-09), highest 542.47 ft (2013-05-08), average 539.74 ft, 365 days measured2014: lowest 499.25 ft (2014-11-20), highest 542.51 ft (2014-07-23), average 531.63 ft, 358 days measured2015: lowest 500.80 ft (2015-01-14), highest 542.33 ft (2015-08-13), average 528.63 ft, 365 days measured2016: lowest 538.82 ft (2016-02-02), highest 542.49 ft (2016-05-15), average 541.17 ft, 366 days measured2017: lowest 536.04 ft (2017-02-11), highest 542.45 ft (2017-05-17), average 540.64 ft, 365 days measured2018: lowest 529.63 ft (2018-02-12), highest 542.49 ft (2018-05-09), average 539.26 ft, 360 days measured2019: lowest 535.27 ft (2019-12-31), highest 542.47 ft (2019-05-01), average 540.98 ft, 365 days measured2020: lowest 533.97 ft (2020-03-01), highest 542.47 ft (2020-05-14), average 539.62 ft, 366 days measured2021: lowest 534.39 ft (2021-02-01), highest 542.48 ft (2021-05-18), average 540.51 ft, 353 days measured2022: lowest 537.62 ft (2022-12-31), highest 542.54 ft (2022-05-06), average 540.90 ft, 362 days measured2023: lowest 537.37 ft (2023-01-06), highest 542.49 ft (2023-05-12), average 540.56 ft, 365 days measured2024: lowest 537.43 ft (2024-02-04), highest 542.45 ft (2024-05-14), average 540.88 ft, 366 days measured2025: lowest 538.25 ft (2025-03-08), highest 542.46 ft (2025-08-15), average 540.53 ft, 363 days measured2026: lowest 538.62 ft (2026-01-26), highest 542.49 ft (2026-05-01), average 540.87 ft, 294 days measured
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.

  • 2003498.45 ft on Mar 13
  • 2014499.25 ft on Nov 20
  • 2015500.80 ft on Jan 14
  • 2006521.96 ft on Dec 7
  • 2007522.06 ft on Jan 14

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (294 days)540.87538.62Jan 26542.49May 1
2025540.53538.25Mar 8542.46Aug 15
2024540.88537.43Feb 4542.45May 14
2023540.56537.37Jan 6542.49May 12
2022540.90537.62Dec 31542.54May 6
2021540.51534.39Feb 1542.48May 18
2020539.62533.97Mar 1542.47May 14
2019540.98535.27Dec 31542.47May 1
2018539.26529.63Feb 12542.49May 9
2017540.64536.04Feb 11542.45May 17
2016541.17538.82Feb 2542.49May 15
2015528.63500.80Jan 14542.33Aug 13
2014531.63499.25Nov 20542.51Jul 23
2013539.74532.87Feb 9542.47May 8
2012539.71533.46Mar 6542.37May 4
2011539.82534.85Mar 17542.47Sep 21
2010538.76529.15Jan 29542.31Jun 2
2009539.66532.45Dec 31542.25Aug 13
2008540.17532.70Dec 26542.14Aug 30
2007533.50522.06Jan 14542.54Jul 13
2006536.69521.96Dec 7541.96May 28
2005536.78524.00Feb 16542.27Aug 1
2004539.45525.59Jan 14542.33Apr 20
2003530.00498.45Mar 13542.47Jun 18
2002 (92 days)530.31523.66Dec 10539.43Oct 1

Levels in feet. Partial years show the number of days with data.

Monthly averages

MonthAverageLowestHighest
January533.17500.80540.25
February532.55498.91542.03
March534.50498.45542.31
April538.39500.68542.44
May540.63521.30542.54
June541.55529.49542.47
July541.91537.80542.54
August541.98540.41542.46
September541.59532.70542.47
October540.20506.27542.07
November536.96499.25542.10
December535.13500.68541.31

Download

Daily levels as CSV (8,734 rows; credit the original agencies listed below)