Country: USA
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Lago Toa Vaca water level history

Daily records since 1997 · Level today: 485.16 ft

Highest on record
539.69 ft
Sep 13, 2011
Lowest on record
63.64 ft
Aug 21, 2001
Today
485.16 ft
Oct 23, 2026
Years of data
29
since 1997

In short

Across 24 complete years, 2003 had the lowest average level (75.86 ft) and 2011 the highest (530.71 ft).

On average the lake is lowest in January (390.30 ft) and highest in October (409.85 ft).

Lago Toa Vaca level, all years

Loading chart…

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

Each year's lowest and highest level

35168302435568199720012005200920132017202120261997: lowest 88.69 ft (1997-09-27), highest 100.15 ft (1997-11-19), average 95.48 ft, 133 days measured1998: lowest 97.62 ft (1998-04-06), highest 135.11 ft (1998-11-10), average 109.38 ft, 315 days measured1999: lowest 106.33 ft (1999-08-21), highest 127.10 ft (1999-12-01), average 116.89 ft, 336 days measured2000: lowest 90.99 ft (2000-09-16), highest 123.55 ft (2000-01-01), average 106.03 ft, 354 days measured2001: lowest 63.64 ft (2001-08-21), highest 99.28 ft (2001-01-01), average 79.61 ft, 362 days measured2002: lowest 71.18 ft (2002-12-31), highest 102.17 ft (2002-06-29), average 91.90 ft, 289 days measured2003: lowest 66.14 ft (2003-03-25), highest 107.58 ft (2003-12-31), average 75.86 ft, 347 days measured2004: lowest 107.11 ft (2004-09-14), highest 131.74 ft (2004-11-15), average 115.31 ft, 351 days measured2005: lowest 112.74 ft (2005-04-21), highest 536.71 ft (2005-10-11), average 397.30 ft, 353 days measured2006: lowest 507.42 ft (2006-12-31), highest 530.04 ft (2006-01-01), average 516.62 ft, 364 days measured2007: lowest 498.41 ft (2007-03-13), highest 515.48 ft (2007-12-14), average 503.96 ft, 357 days measured2008: lowest 495.35 ft (2008-05-26), highest 529.13 ft (2008-10-21), average 510.63 ft, 319 days measured2009: lowest 501.73 ft (2009-09-04), highest 523.16 ft (2009-01-01), average 509.01 ft, 361 days measured2010: lowest 504.87 ft (2010-04-21), highest 535.46 ft (2010-11-12), average 515.61 ft, 351 days measured2011: lowest 521.40 ft (2011-05-08), highest 539.69 ft (2011-09-13), average 530.71 ft, 365 days measured2012: lowest 509.99 ft (2012-12-22), highest 529.96 ft (2012-01-01), average 519.59 ft, 357 days measured2013: lowest 474.10 ft (2013-12-31), highest 508.17 ft (2013-01-05), average 495.98 ft, 314 days measured2014: lowest 463.08 ft (2014-08-01), highest 488.17 ft (2014-12-17), average 473.21 ft, 330 days measured2015: lowest 474.57 ft (2015-09-17), highest 487.90 ft (2015-12-02), average 482.75 ft, 344 days measured2016: lowest 476.60 ft (2016-08-12), highest 508.67 ft (2016-12-08), average 485.41 ft, 346 days measured2017: lowest 484.38 ft (2017-09-02), highest 537.36 ft (2017-10-15), average 505.68 ft, 361 days measured2018: lowest 502.30 ft (2018-12-25), highest 532.26 ft (2018-01-01), average 514.67 ft, 352 days measured2019: lowest 475.01 ft (2019-08-28), highest 497.09 ft (2019-01-29), average 483.95 ft, 333 days measured2020: lowest 478.37 ft (2020-09-18), highest 492.48 ft (2020-12-31), average 486.08 ft, 366 days measured2021: lowest 486.45 ft (2021-09-07), highest 495.33 ft (2021-10-22), average 489.75 ft, 365 days measured2022: lowest 458.61 ft (2022-08-13), highest 533.19 ft (2022-12-02), average 484.06 ft, 359 days measured2023: lowest 513.48 ft (2023-08-07), highest 532.44 ft (2023-01-01), average 520.43 ft, 361 days measured2024: lowest 499.70 ft (2024-08-13), highest 514.12 ft (2024-01-01), average 505.68 ft, 365 days measured2025: lowest 478.95 ft (2025-09-20), highest 501.76 ft (2025-01-01), average 488.14 ft, 365 days measured2026: lowest 482.21 ft (2026-10-01), highest 489.29 ft (2026-05-08), average 485.05 ft, 295 days measured
35168302435568199720052013202120261997: lowest 88.69 ft (1997-09-27), highest 100.15 ft (1997-11-19), average 95.48 ft, 133 days measured1998: lowest 97.62 ft (1998-04-06), highest 135.11 ft (1998-11-10), average 109.38 ft, 315 days measured1999: lowest 106.33 ft (1999-08-21), highest 127.10 ft (1999-12-01), average 116.89 ft, 336 days measured2000: lowest 90.99 ft (2000-09-16), highest 123.55 ft (2000-01-01), average 106.03 ft, 354 days measured2001: lowest 63.64 ft (2001-08-21), highest 99.28 ft (2001-01-01), average 79.61 ft, 362 days measured2002: lowest 71.18 ft (2002-12-31), highest 102.17 ft (2002-06-29), average 91.90 ft, 289 days measured2003: lowest 66.14 ft (2003-03-25), highest 107.58 ft (2003-12-31), average 75.86 ft, 347 days measured2004: lowest 107.11 ft (2004-09-14), highest 131.74 ft (2004-11-15), average 115.31 ft, 351 days measured2005: lowest 112.74 ft (2005-04-21), highest 536.71 ft (2005-10-11), average 397.30 ft, 353 days measured2006: lowest 507.42 ft (2006-12-31), highest 530.04 ft (2006-01-01), average 516.62 ft, 364 days measured2007: lowest 498.41 ft (2007-03-13), highest 515.48 ft (2007-12-14), average 503.96 ft, 357 days measured2008: lowest 495.35 ft (2008-05-26), highest 529.13 ft (2008-10-21), average 510.63 ft, 319 days measured2009: lowest 501.73 ft (2009-09-04), highest 523.16 ft (2009-01-01), average 509.01 ft, 361 days measured2010: lowest 504.87 ft (2010-04-21), highest 535.46 ft (2010-11-12), average 515.61 ft, 351 days measured2011: lowest 521.40 ft (2011-05-08), highest 539.69 ft (2011-09-13), average 530.71 ft, 365 days measured2012: lowest 509.99 ft (2012-12-22), highest 529.96 ft (2012-01-01), average 519.59 ft, 357 days measured2013: lowest 474.10 ft (2013-12-31), highest 508.17 ft (2013-01-05), average 495.98 ft, 314 days measured2014: lowest 463.08 ft (2014-08-01), highest 488.17 ft (2014-12-17), average 473.21 ft, 330 days measured2015: lowest 474.57 ft (2015-09-17), highest 487.90 ft (2015-12-02), average 482.75 ft, 344 days measured2016: lowest 476.60 ft (2016-08-12), highest 508.67 ft (2016-12-08), average 485.41 ft, 346 days measured2017: lowest 484.38 ft (2017-09-02), highest 537.36 ft (2017-10-15), average 505.68 ft, 361 days measured2018: lowest 502.30 ft (2018-12-25), highest 532.26 ft (2018-01-01), average 514.67 ft, 352 days measured2019: lowest 475.01 ft (2019-08-28), highest 497.09 ft (2019-01-29), average 483.95 ft, 333 days measured2020: lowest 478.37 ft (2020-09-18), highest 492.48 ft (2020-12-31), average 486.08 ft, 366 days measured2021: lowest 486.45 ft (2021-09-07), highest 495.33 ft (2021-10-22), average 489.75 ft, 365 days measured2022: lowest 458.61 ft (2022-08-13), highest 533.19 ft (2022-12-02), average 484.06 ft, 359 days measured2023: lowest 513.48 ft (2023-08-07), highest 532.44 ft (2023-01-01), average 520.43 ft, 361 days measured2024: lowest 499.70 ft (2024-08-13), highest 514.12 ft (2024-01-01), average 505.68 ft, 365 days measured2025: lowest 478.95 ft (2025-09-20), highest 501.76 ft (2025-01-01), average 488.14 ft, 365 days measured2026: lowest 482.21 ft (2026-10-01), highest 489.29 ft (2026-05-08), average 485.05 ft, 295 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.

  • 200163.64 ft on Aug 21
  • 200366.14 ft on Mar 25
  • 200090.99 ft on Sep 16
  • 1999106.33 ft on Aug 21
  • 2004107.11 ft on Sep 14

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (295 days)485.05482.21Oct 1489.29May 8
2025488.14478.95Sep 20501.76Jan 1
2024505.68499.70Aug 13514.12Jan 1
2023520.43513.48Aug 7532.44Jan 1
2022484.06458.61Aug 13533.19Dec 2
2021489.75486.45Sep 7495.33Oct 22
2020486.08478.37Sep 18492.48Dec 31
2019483.95475.01Aug 28497.09Jan 29
2018514.67502.30Dec 25532.26Jan 1
2017505.68484.38Sep 2537.36Oct 15
2016485.41476.60Aug 12508.67Dec 8
2015482.75474.57Sep 17487.90Dec 2
2014473.21463.08Aug 1488.17Dec 17
2013 (314 days)495.98474.10Dec 31508.17Jan 5
2012519.59509.99Dec 22529.96Jan 1
2011530.71521.40May 8539.69Sep 13
2010515.61504.87Apr 21535.46Nov 12
2009509.01501.73Sep 4523.16Jan 1
2008 (319 days)510.63495.35May 26529.13Oct 21
2007503.96498.41Mar 13515.48Dec 14
2006516.62507.42Dec 31530.04Jan 1
2005397.30112.74Apr 21536.71Oct 11
2004115.31107.11Sep 14131.74Nov 15
200375.8666.14Mar 25107.58Dec 31
2002 (289 days)91.9071.18Dec 31102.17Jun 29
200179.6163.64Aug 2199.28Jan 1
2000106.0390.99Sep 16123.55Jan 1
1999116.89106.33Aug 21127.10Dec 1
1998 (315 days)109.3897.62Apr 6135.11Nov 10
1997 (133 days)95.4888.69Sep 27100.15Nov 19

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

Monthly averages

MonthAverageLowestHighest
January390.3066.89533.54
February392.8366.79532.95
March393.0466.14529.56
April394.2366.30525.90
May402.5976.03529.06
June398.0370.64534.58
July406.4063.70534.22
August397.5963.64539.50
September391.9266.47539.69
October409.8571.09537.36
November409.2874.55535.46
December400.1771.18533.97

Download

Daily levels as CSV (10,170 rows; credit the original agencies listed below)