Allatoona Lake water level history

Daily records since 1989 · Level today: 834.61 ft

Highest on record

855.81 ft

Mar 23, 1990

Lowest on record

818.90 ft

Dec 14, 2007

Today

834.61 ft

Oct 21, 2026

Years of data

since 1989

In short

Across 20 complete years, 2008 had the lowest average level (833.85 ft) and 2009 the highest (837.90 ft).

On average the lake is lowest in December (827.53 ft) and highest in May (840.68 ft).

Loading chart…

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

Years ranked by their lowest daily level.

Year	Average	Low	Low date	High	High date
2026 (290 days)	835.57	824.44	Jan 1	841.59	Jul 27
2025	835.55	824.61	Dec 31	841.36	May 5
2024	837.12	827.30	Dec 27	843.45	May 13
2023	835.46	825.41	Jan 1	841.85	May 1
2022	835.02	823.98	Jan 14	840.72	Jul 11
2021	835.95	823.86	Jan 20	844.09	May 6
2020	837.32	822.68	Jan 1	851.52	Feb 21
2019	835.93	822.42	Dec 30	851.50	Mar 5
2018	835.23	822.75	Jan 2	842.51	Apr 25
2017	835.41	823.63	Jan 1	841.14	May 24
2016	836.28	823.69	Dec 31	844.62	Jan 4
2015	836.22	823.93	Dec 22	842.52	Apr 22
2014	835.11	823.70	Dec 22	842.08	Apr 9
2013	836.13	822.81	Dec 21	847.73	May 8
2012	834.20	824.40	Dec 15	841.61	May 15
2011	833.86	822.95	Dec 16	842.69	Apr 18
2010	835.45	823.28	Jan 5	842.71	Apr 27
2009	837.90	824.95	Jan 2	853.13	Sep 23
2008	833.85	821.64	Jan 1	841.00	Apr 7
2007 (159 days)	825.56	818.90	Dec 14	835.48	Jul 26
1990	836.87	824.10	Dec 22	855.81	Mar 23
1989	837.11	824.16	Dec 30	854.05	Oct 4

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

Month	Average	Lowest	Highest
January	827.88	821.64	844.62
February	831.23	824.76	851.52
March	836.72	828.70	855.81
April	839.71	834.80	850.52
May	840.68	836.03	847.73
June	840.41	838.50	848.53
July	839.94	835.31	846.03
August	838.55	831.20	841.28
September	837.11	826.27	853.13
October	835.00	822.46	854.05
November	831.83	819.17	842.92
December	827.53	818.90	842.04

Daily levels as CSV (7,747 rows; credit the original agencies listed below)