Country: USA
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Lake Arlington water level history

Daily records since 2005 · Level today: 545.88 ft

Highest on record
558.28 ft
Nov 28, 2015
Lowest on record
538.98 ft
Nov 22, 2014
Today
545.88 ft
Oct 23, 2026
Years of data
21
since 2005

In short

Across 20 complete years, 2014 had the lowest average level (544.90 ft) and 2007 the highest (549.39 ft).

On average the lake is lowest in October (545.31 ft) and highest in May (549.56 ft).

Lake Arlington level, all years

Loading chart…

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

Each year's lowest and highest level

538543549554559200520082011201420172020202320262005: lowest 539.48 ft (2005-11-24), highest 542.65 ft (2005-09-30), average 540.57 ft, 93 days measured2006: lowest 540.50 ft (2006-08-26), highest 554.27 ft (2006-03-20), average 545.09 ft, 365 days measured2007: lowest 546.95 ft (2007-10-14), highest 553.46 ft (2007-03-31), average 549.39 ft, 365 days measured2008: lowest 540.93 ft (2008-11-04), highest 552.32 ft (2008-04-24), average 546.27 ft, 366 days measured2009: lowest 542.05 ft (2009-02-09), highest 552.99 ft (2009-10-22), average 547.49 ft, 364 days measured2010: lowest 545.97 ft (2010-09-01), highest 554.91 ft (2010-09-09), average 548.89 ft, 359 days measured2011: lowest 539.82 ft (2011-10-08), highest 549.74 ft (2011-01-17), average 545.45 ft, 364 days measured2012: lowest 541.35 ft (2012-12-20), highest 553.04 ft (2012-03-21), average 546.41 ft, 366 days measured2013: lowest 542.14 ft (2013-01-01), highest 549.38 ft (2013-06-11), average 545.65 ft, 362 days measured2014: lowest 538.98 ft (2014-11-22), highest 550.11 ft (2014-05-14), average 544.90 ft, 363 days measured2015: lowest 542.85 ft (2015-10-21), highest 558.28 ft (2015-11-28), average 547.86 ft, 365 days measured2016: lowest 542.23 ft (2016-11-02), highest 553.31 ft (2016-06-01), average 547.53 ft, 362 days measured2017: lowest 543.74 ft (2017-11-07), highest 550.31 ft (2017-02-15), average 547.60 ft, 365 days measured2018: lowest 543.88 ft (2018-09-02), highest 555.13 ft (2018-10-16), average 548.73 ft, 361 days measured2019: lowest 545.48 ft (2019-08-26), highest 553.24 ft (2019-05-12), average 548.75 ft, 365 days measured2020: lowest 545.01 ft (2020-08-30), highest 552.91 ft (2020-03-18), average 548.07 ft, 363 days measured2021: lowest 545.12 ft (2021-10-09), highest 551.74 ft (2021-05-27), average 547.84 ft, 355 days measured2022: lowest 543.73 ft (2022-02-02), highest 552.14 ft (2022-08-23), average 547.48 ft, 365 days measured2023: lowest 543.11 ft (2023-08-10), highest 552.71 ft (2023-10-29), average 547.82 ft, 365 days measured2024: lowest 542.01 ft (2024-10-31), highest 553.68 ft (2024-05-05), average 547.63 ft, 366 days measured2025: lowest 546.67 ft (2025-10-18), highest 551.87 ft (2025-05-01), average 549.15 ft, 364 days measured2026: lowest 543.15 ft (2026-09-30), highest 550.49 ft (2026-06-08), average 547.71 ft, 294 days measured
538543549554559200520112017202320262005: lowest 539.48 ft (2005-11-24), highest 542.65 ft (2005-09-30), average 540.57 ft, 93 days measured2006: lowest 540.50 ft (2006-08-26), highest 554.27 ft (2006-03-20), average 545.09 ft, 365 days measured2007: lowest 546.95 ft (2007-10-14), highest 553.46 ft (2007-03-31), average 549.39 ft, 365 days measured2008: lowest 540.93 ft (2008-11-04), highest 552.32 ft (2008-04-24), average 546.27 ft, 366 days measured2009: lowest 542.05 ft (2009-02-09), highest 552.99 ft (2009-10-22), average 547.49 ft, 364 days measured2010: lowest 545.97 ft (2010-09-01), highest 554.91 ft (2010-09-09), average 548.89 ft, 359 days measured2011: lowest 539.82 ft (2011-10-08), highest 549.74 ft (2011-01-17), average 545.45 ft, 364 days measured2012: lowest 541.35 ft (2012-12-20), highest 553.04 ft (2012-03-21), average 546.41 ft, 366 days measured2013: lowest 542.14 ft (2013-01-01), highest 549.38 ft (2013-06-11), average 545.65 ft, 362 days measured2014: lowest 538.98 ft (2014-11-22), highest 550.11 ft (2014-05-14), average 544.90 ft, 363 days measured2015: lowest 542.85 ft (2015-10-21), highest 558.28 ft (2015-11-28), average 547.86 ft, 365 days measured2016: lowest 542.23 ft (2016-11-02), highest 553.31 ft (2016-06-01), average 547.53 ft, 362 days measured2017: lowest 543.74 ft (2017-11-07), highest 550.31 ft (2017-02-15), average 547.60 ft, 365 days measured2018: lowest 543.88 ft (2018-09-02), highest 555.13 ft (2018-10-16), average 548.73 ft, 361 days measured2019: lowest 545.48 ft (2019-08-26), highest 553.24 ft (2019-05-12), average 548.75 ft, 365 days measured2020: lowest 545.01 ft (2020-08-30), highest 552.91 ft (2020-03-18), average 548.07 ft, 363 days measured2021: lowest 545.12 ft (2021-10-09), highest 551.74 ft (2021-05-27), average 547.84 ft, 355 days measured2022: lowest 543.73 ft (2022-02-02), highest 552.14 ft (2022-08-23), average 547.48 ft, 365 days measured2023: lowest 543.11 ft (2023-08-10), highest 552.71 ft (2023-10-29), average 547.82 ft, 365 days measured2024: lowest 542.01 ft (2024-10-31), highest 553.68 ft (2024-05-05), average 547.63 ft, 366 days measured2025: lowest 546.67 ft (2025-10-18), highest 551.87 ft (2025-05-01), average 549.15 ft, 364 days measured2026: lowest 543.15 ft (2026-09-30), highest 550.49 ft (2026-06-08), average 547.71 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.

  • 2014538.98 ft on Nov 22
  • 2011539.82 ft on Oct 8
  • 2006540.50 ft on Aug 26
  • 2008540.93 ft on Nov 4
  • 2012541.35 ft on Dec 20

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (294 days)547.71543.15Sep 30550.49Jun 8
2025549.15546.67Oct 18551.87May 1
2024547.63542.01Oct 31553.68May 5
2023547.82543.11Aug 10552.71Oct 29
2022547.48543.73Feb 2552.14Aug 23
2021547.84545.12Oct 9551.74May 27
2020548.07545.01Aug 30552.91Mar 18
2019548.75545.48Aug 26553.24May 12
2018548.73543.88Sep 2555.13Oct 16
2017547.60543.74Nov 7550.31Feb 15
2016547.53542.23Nov 2553.31Jun 1
2015547.86542.85Oct 21558.28Nov 28
2014544.90538.98Nov 22550.11May 14
2013545.65542.14Jan 1549.38Jun 11
2012546.41541.35Dec 20553.04Mar 21
2011545.45539.82Oct 8549.74Jan 17
2010548.89545.97Sep 1554.91Sep 9
2009547.49542.05Feb 9552.99Oct 22
2008546.27540.93Nov 4552.32Apr 24
2007549.39546.95Oct 14553.46Mar 31
2006545.09540.50Aug 26554.27Mar 20
2005 (93 days)540.57539.48Nov 24542.65Sep 30

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

Monthly averages

MonthAverageLowestHighest
January547.13540.56552.05
February547.88542.05551.66
March548.77542.85554.27
April549.14546.17553.08
May549.56546.75556.85
June549.03545.93553.31
July547.73542.08552.09
August545.82540.50552.14
September545.59540.28554.91
October545.31539.82555.13
November545.88538.98558.28
December546.20539.49553.50

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Daily levels as CSV (7,657 rows; credit the original agencies listed below)