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Lake levels › Georgia › Lake Allatoona

Lake Allatoona water level today

834.79 ft above sea level (October 20, 2026 at 2:00 AM). It is 0.21 ft below the Corps' guide curve target for today (835.00 ft). Lake Allatoona is falling steadily: down 0.73 ft in the past 7 days and down 2.70 ft over 30 days.

Level now834.79 ft
vs guide curve (835.0)−0.21 ft
Past 24 hours±0.00 ft
Past 7 days−0.73 ft
Past 30 days−2.70 ft
vs 1 year ago+1.51 ft

Lake Allatoona level over the last 12 months

822827832838843 Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Oct 26
Daily elevation in feet, last 12 months; dashed orange line = Corps guide curve (target level).

12-month low: 824.44 ft (December 31, 2025). High: 841.62 ft (July 27, 2026). Swing: 17.18 ft.

Daily Lake Allatoona levels, last 30 days

DateElevation (ft)Change
Oct 20, 2026834.79±0.00 ft
Oct 19, 2026834.79−0.17 ft
Oct 18, 2026834.96−0.03 ft
Oct 17, 2026834.99−0.03 ft
Oct 16, 2026835.02−0.17 ft
Oct 15, 2026835.19−0.17 ft
Oct 14, 2026835.36−0.16 ft
Oct 13, 2026835.52−0.13 ft
Oct 12, 2026835.65−0.05 ft
Oct 11, 2026835.70+0.07 ft
Oct 10, 2026835.63+0.27 ft
Oct 9, 2026835.36−0.14 ft
Oct 8, 2026835.50−0.37 ft
Oct 7, 2026835.87−0.14 ft
Oct 6, 2026836.01−0.07 ft
Oct 5, 2026836.08−0.07 ft
Oct 4, 2026836.15−0.01 ft
Oct 3, 2026836.16−0.12 ft
Oct 2, 2026836.28−0.22 ft
Oct 1, 2026836.50−0.22 ft
Sep 30, 2026836.72−0.24 ft
Sep 29, 2026836.96−0.22 ft
Sep 28, 2026837.18−0.13 ft
Sep 27, 2026837.31−0.03 ft
Sep 26, 2026837.34−0.03 ft
Sep 25, 2026837.37−0.03 ft
Sep 24, 2026837.40+0.19 ft
Sep 23, 2026837.21−0.01 ft
Sep 22, 2026837.22−0.09 ft
Sep 21, 2026837.31−0.18 ft

Monthly average levels

MonthAverageLowHigh
Nov 2025832.04830.12834.07
Dec 2025827.58824.44830.27
Jan 2026827.11824.44831.10
Feb 2026826.59825.34829.88
Mar 2026833.05830.30834.76
Apr 2026835.50834.81836.00
May 2026838.13836.03841.46
Jun 2026841.00840.53841.50
Jul 2026840.68839.98841.62
Aug 2026840.31839.01841.05
Sep 2026837.81836.72838.91
Oct 2026 *835.58834.79836.50

* partial month or year.

Lake Allatoona year by year

YearLowHighAverage
2026 *824.44 Jan 1841.62 Jul 27835.64
2025824.44 Dec 31841.35 May 28835.53
2024827.26 Dec 26843.40 May 12837.08
2023 *826.62 Dec 23833.57 Oct 15829.57

Lake Allatoona on this date in past years

YearLevel on this dateToday vs then
2025833.28 ft+1.51 ft
2024835.86 ft−1.07 ft
2023833.10 ft+1.69 ft

Is Lake Allatoona full?

The Corps of Engineers manages Lake Allatoona to a seasonal guide curve rather than one fixed full level. Today's target is 835.00 ft and the lake is 0.21 ft below it.

Is Lake Allatoona rising or falling?

Lake Allatoona is falling steadily: down 0.73 ft in the past 7 days and down 2.70 ft over 30 days. In the latest day it moved ±0.00 ft.

How does Lake Allatoona compare with last year?

Compared with the same date last year, the lake is 1.51 ft higher. Two years ago on this date it stood at 835.86 ft.

Data source

U.S. Army Corps of Engineers (USACE CWMS Data API), gauge Allatoona.Elev.Inst.1Hour.0.Raw-USGS; readings since Oct 15, 2023. Official source · how we collect it.

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