Country: USA
United StatesCanadaUnited Kingdom

Chattahoochee River at Morgan Falls Dam at Morgan Falls Dam water level history

Daily records since 1988 · Level today: 864.25 ft

Highest on record
866.02 ft
Dec 23, 2017
Lowest on record
848.43 ft
Sep 11, 1989
Today
864.25 ft
Oct 23, 2026
Years of data
38
since 1988

In short

Across 37 complete years, 1990 had the lowest average level (852.37 ft) and 2004 the highest (865.57 ft).

On average the lake is lowest in September (860.45 ft) and highest in December (861.01 ft).

Chattahoochee River at Morgan Falls Dam at Morgan Falls Dam level, all years

Loading chart…

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

Each year's lowest and highest level

8478528578628671988199319982003200820132018202320261988: lowest 848.80 ft (1988-09-26), highest 853.44 ft (1988-11-12), average 852.73 ft, 193 days measured1989: lowest 848.43 ft (1989-09-11), highest 853.48 ft (1989-03-24), average 852.41 ft, 365 days measured1990: lowest 850.68 ft (1990-07-09), highest 853.47 ft (1990-12-29), average 852.37 ft, 363 days measured1991: lowest 850.42 ft (1991-08-21), highest 853.51 ft (1991-01-26), average 852.55 ft, 365 days measured1992: lowest 850.63 ft (1992-08-10), highest 853.49 ft (1992-01-05), average 852.51 ft, 366 days measured1993: lowest 850.09 ft (1993-10-04), highest 853.48 ft (1993-03-07), average 852.49 ft, 365 days measured1994: lowest 851.05 ft (1994-08-31), highest 853.48 ft (1994-04-02), average 852.73 ft, 365 days measured1995: lowest 850.47 ft (1995-05-22), highest 853.53 ft (1995-02-16), average 852.52 ft, 365 days measured1996: lowest 850.67 ft (1996-07-01), highest 853.45 ft (1996-11-02), average 852.47 ft, 366 days measured1997: lowest 850.47 ft (1997-08-04), highest 853.48 ft (1997-11-01), average 852.55 ft, 358 days measured1998: lowest 850.43 ft (1998-09-07), highest 853.42 ft (1998-01-03), average 852.56 ft, 363 days measured1999: lowest 850.72 ft (1999-08-01), highest 853.43 ft (1999-01-25), average 852.75 ft, 365 days measured2000: lowest 849.72 ft (2000-09-18), highest 853.45 ft (2000-01-31), average 852.66 ft, 366 days measured2001: lowest 850.07 ft (2001-08-20), highest 865.92 ft (2001-12-25), average 855.72 ft, 365 days measured2002: lowest 860.06 ft (2002-10-28), highest 865.99 ft (2002-02-10), average 865.25 ft, 365 days measured2003: lowest 861.15 ft (2003-01-21), highest 865.97 ft (2003-09-28), average 865.08 ft, 353 days measured2004: lowest 863.94 ft (2004-07-06), highest 865.99 ft (2004-10-28), average 865.57 ft, 352 days measured2005: lowest 863.32 ft (2005-07-10), highest 865.93 ft (2005-01-30), average 865.22 ft, 364 days measured2006: lowest 862.89 ft (2006-07-03), highest 865.90 ft (2006-03-18), average 865.32 ft, 362 days measured2007: lowest 861.85 ft (2007-06-25), highest 865.91 ft (2007-12-17), average 865.25 ft, 364 days measured2008: lowest 861.16 ft (2008-06-09), highest 865.99 ft (2008-02-25), average 865.12 ft, 364 days measured2009: lowest 862.62 ft (2009-09-15), highest 865.96 ft (2009-03-04), average 865.18 ft, 364 days measured2010: lowest 862.89 ft (2010-07-12), highest 865.98 ft (2010-08-21), average 865.02 ft, 362 days measured2011: lowest 862.14 ft (2011-11-21), highest 865.93 ft (2011-03-20), average 865.04 ft, 365 days measured2012: lowest 860.51 ft (2012-07-29), highest 865.97 ft (2012-12-29), average 865.15 ft, 366 days measured2013: lowest 861.76 ft (2013-06-28), highest 866.00 ft (2013-04-20), average 865.28 ft, 363 days measured2014: lowest 862.59 ft (2014-07-28), highest 866.00 ft (2014-02-09), average 865.19 ft, 342 days measured2015: lowest 862.23 ft (2015-09-08), highest 866.01 ft (2015-01-24), average 865.18 ft, 344 days measured2016: lowest 863.09 ft (2016-12-26), highest 865.98 ft (2016-04-02), average 865.11 ft, 361 days measured2017: lowest 862.85 ft (2017-07-31), highest 866.02 ft (2017-12-23), average 865.29 ft, 365 days measured2018: lowest 863.17 ft (2018-02-25), highest 865.95 ft (2018-02-18), average 865.09 ft, 364 days measured2019: lowest 863.77 ft (2019-10-07), highest 865.98 ft (2019-12-14), average 865.21 ft, 365 days measured2020: lowest 863.41 ft (2020-09-16), highest 865.90 ft (2020-01-18), average 864.99 ft, 365 days measured2021: lowest 862.95 ft (2021-08-15), highest 865.90 ft (2021-12-12), average 864.81 ft, 365 days measured2022: lowest 862.36 ft (2022-11-08), highest 865.84 ft (2022-09-05), average 864.94 ft, 363 days measured2023: lowest 863.41 ft (2023-09-13), highest 865.86 ft (2023-08-13), average 864.95 ft, 365 days measured2024: lowest 863.67 ft (2024-10-29), highest 865.71 ft (2024-05-25), average 864.94 ft, 364 days measured2025: lowest 863.56 ft (2025-02-22), highest 865.88 ft (2025-12-27), average 864.98 ft, 362 days measured2026: lowest 863.58 ft (2026-06-30), highest 865.78 ft (2026-02-19), average 865.18 ft, 294 days measured
847852857862867198819982008201820261988: lowest 848.80 ft (1988-09-26), highest 853.44 ft (1988-11-12), average 852.73 ft, 193 days measured1989: lowest 848.43 ft (1989-09-11), highest 853.48 ft (1989-03-24), average 852.41 ft, 365 days measured1990: lowest 850.68 ft (1990-07-09), highest 853.47 ft (1990-12-29), average 852.37 ft, 363 days measured1991: lowest 850.42 ft (1991-08-21), highest 853.51 ft (1991-01-26), average 852.55 ft, 365 days measured1992: lowest 850.63 ft (1992-08-10), highest 853.49 ft (1992-01-05), average 852.51 ft, 366 days measured1993: lowest 850.09 ft (1993-10-04), highest 853.48 ft (1993-03-07), average 852.49 ft, 365 days measured1994: lowest 851.05 ft (1994-08-31), highest 853.48 ft (1994-04-02), average 852.73 ft, 365 days measured1995: lowest 850.47 ft (1995-05-22), highest 853.53 ft (1995-02-16), average 852.52 ft, 365 days measured1996: lowest 850.67 ft (1996-07-01), highest 853.45 ft (1996-11-02), average 852.47 ft, 366 days measured1997: lowest 850.47 ft (1997-08-04), highest 853.48 ft (1997-11-01), average 852.55 ft, 358 days measured1998: lowest 850.43 ft (1998-09-07), highest 853.42 ft (1998-01-03), average 852.56 ft, 363 days measured1999: lowest 850.72 ft (1999-08-01), highest 853.43 ft (1999-01-25), average 852.75 ft, 365 days measured2000: lowest 849.72 ft (2000-09-18), highest 853.45 ft (2000-01-31), average 852.66 ft, 366 days measured2001: lowest 850.07 ft (2001-08-20), highest 865.92 ft (2001-12-25), average 855.72 ft, 365 days measured2002: lowest 860.06 ft (2002-10-28), highest 865.99 ft (2002-02-10), average 865.25 ft, 365 days measured2003: lowest 861.15 ft (2003-01-21), highest 865.97 ft (2003-09-28), average 865.08 ft, 353 days measured2004: lowest 863.94 ft (2004-07-06), highest 865.99 ft (2004-10-28), average 865.57 ft, 352 days measured2005: lowest 863.32 ft (2005-07-10), highest 865.93 ft (2005-01-30), average 865.22 ft, 364 days measured2006: lowest 862.89 ft (2006-07-03), highest 865.90 ft (2006-03-18), average 865.32 ft, 362 days measured2007: lowest 861.85 ft (2007-06-25), highest 865.91 ft (2007-12-17), average 865.25 ft, 364 days measured2008: lowest 861.16 ft (2008-06-09), highest 865.99 ft (2008-02-25), average 865.12 ft, 364 days measured2009: lowest 862.62 ft (2009-09-15), highest 865.96 ft (2009-03-04), average 865.18 ft, 364 days measured2010: lowest 862.89 ft (2010-07-12), highest 865.98 ft (2010-08-21), average 865.02 ft, 362 days measured2011: lowest 862.14 ft (2011-11-21), highest 865.93 ft (2011-03-20), average 865.04 ft, 365 days measured2012: lowest 860.51 ft (2012-07-29), highest 865.97 ft (2012-12-29), average 865.15 ft, 366 days measured2013: lowest 861.76 ft (2013-06-28), highest 866.00 ft (2013-04-20), average 865.28 ft, 363 days measured2014: lowest 862.59 ft (2014-07-28), highest 866.00 ft (2014-02-09), average 865.19 ft, 342 days measured2015: lowest 862.23 ft (2015-09-08), highest 866.01 ft (2015-01-24), average 865.18 ft, 344 days measured2016: lowest 863.09 ft (2016-12-26), highest 865.98 ft (2016-04-02), average 865.11 ft, 361 days measured2017: lowest 862.85 ft (2017-07-31), highest 866.02 ft (2017-12-23), average 865.29 ft, 365 days measured2018: lowest 863.17 ft (2018-02-25), highest 865.95 ft (2018-02-18), average 865.09 ft, 364 days measured2019: lowest 863.77 ft (2019-10-07), highest 865.98 ft (2019-12-14), average 865.21 ft, 365 days measured2020: lowest 863.41 ft (2020-09-16), highest 865.90 ft (2020-01-18), average 864.99 ft, 365 days measured2021: lowest 862.95 ft (2021-08-15), highest 865.90 ft (2021-12-12), average 864.81 ft, 365 days measured2022: lowest 862.36 ft (2022-11-08), highest 865.84 ft (2022-09-05), average 864.94 ft, 363 days measured2023: lowest 863.41 ft (2023-09-13), highest 865.86 ft (2023-08-13), average 864.95 ft, 365 days measured2024: lowest 863.67 ft (2024-10-29), highest 865.71 ft (2024-05-25), average 864.94 ft, 364 days measured2025: lowest 863.56 ft (2025-02-22), highest 865.88 ft (2025-12-27), average 864.98 ft, 362 days measured2026: lowest 863.58 ft (2026-06-30), highest 865.78 ft (2026-02-19), average 865.18 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.

  • 1989848.43 ft on Sep 11
  • 2000849.72 ft on Sep 18
  • 2001850.07 ft on Aug 20
  • 1993850.09 ft on Oct 4
  • 1991850.42 ft on Aug 21

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (294 days)865.18863.58Jun 30865.78Feb 19
2025864.98863.56Feb 22865.88Dec 27
2024864.94863.67Oct 29865.71May 25
2023864.95863.41Sep 13865.86Aug 13
2022864.94862.36Nov 8865.84Sep 5
2021864.81862.95Aug 15865.90Dec 12
2020864.99863.41Sep 16865.90Jan 18
2019865.21863.77Oct 7865.98Dec 14
2018865.09863.17Feb 25865.95Feb 18
2017865.29862.85Jul 31866.02Dec 23
2016865.11863.09Dec 26865.98Apr 2
2015865.18862.23Sep 8866.01Jan 24
2014865.19862.59Jul 28866.00Feb 9
2013865.28861.76Jun 28866.00Apr 20
2012865.15860.51Jul 29865.97Dec 29
2011865.04862.14Nov 21865.93Mar 20
2010865.02862.89Jul 12865.98Aug 21
2009865.18862.62Sep 15865.96Mar 4
2008865.12861.16Jun 9865.99Feb 25
2007865.25861.85Jun 25865.91Dec 17
2006865.32862.89Jul 3865.90Mar 18
2005865.22863.32Jul 10865.93Jan 30
2004865.57863.94Jul 6865.99Oct 28
2003865.08861.15Jan 21865.97Sep 28
2002865.25860.06Oct 28865.99Feb 10
2001855.72850.07Aug 20865.92Dec 25
2000852.66849.72Sep 18853.45Jan 31
1999852.75850.72Aug 1853.43Jan 25
1998852.56850.43Sep 7853.42Jan 3
1997852.55850.47Aug 4853.48Nov 1
1996852.47850.67Jul 1853.45Nov 2
1995852.52850.47May 22853.53Feb 16
1994852.73851.05Aug 31853.48Apr 2
1993852.49850.09Oct 4853.48Mar 7
1992852.51850.63Aug 10853.49Jan 5
1991852.55850.42Aug 21853.51Jan 26
1990852.37850.68Jul 9853.47Dec 29
1989852.41848.43Sep 11853.48Mar 24
1988 (193 days)852.73848.80Sep 26853.44Nov 12

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

Monthly averages

MonthAverageLowestHighest
January861.00849.49866.01
February860.97849.80866.00
March860.92850.76866.00
April860.70850.64866.00
May860.66849.38865.97
June860.63850.10865.96
July860.47850.57865.96
August860.46850.07865.98
September860.45848.43865.97
October860.82850.09865.99
November860.98851.15866.00
December861.01851.25866.02

Download

Daily levels as CSV (13,893 rows; credit the original agencies listed below)