Last reading · NGVD29
Lake Allatoona Water Level Today
The last reading for Lake Allatoona, the Etowah River reservoir behind Allatoona Dam, was 835.01 ft (NGVD29) on Oct 17, 2026. That's right at its top of conservation pool of 835.00 ft. Lake Allatoona is 1.44 ft higher than on the same date last year.
0.00 ft
At full pool
835.01 ft
Oct 17, 2026 EDT
- 7-day change−0.67 ftOct 10, 2026
- 30-day change−2.59 ftSep 17, 2026
- Vs last year+1.44 ftOct 17, 2025
- ReadingOct 17, 2026835.01 ft
Is Lake Allatoona Full?
Yes. Lake Allatoona is at its top of conservation pool of 835.00 ft. On Oct 17, 2026, the elevation was 835.01 ft (NGVD29 datum). Over the 30 days ending Oct 17, 2026, Lake Allatoona has fallen 2.59 ft. The mean for this calendar day across 11 earlier years (2015–2025) is 834.80 ft, and the latest reading is 0.21 ft above it.
Lake Allatoona Level vs Last Year & Historical Average
Comparisons for Lake Allatoona use the same NGVD29 series as the chart. The series begins Sep 30, 2015 and has 4031 daily values. Lake Allatoona is 1.44 ft higher than on the same date last year. In that window, the lowest daily level was 822.42 ft on Dec 29, 2019, and the highest was 851.52 ft on Feb 20, 2020.
| Mark | Date | Elevation | Vs latest |
|---|---|---|---|
| Latest reading | Oct 17, 2026 | 835.01 ft | — |
| 7 days earlier | Oct 10, 2026 | 835.68 ft | −0.67 ft |
| 30 days earlier | Sep 17, 2026 | 837.60 ft | −2.59 ft |
| 1 year earlier | Oct 17, 2025 | 833.57 ft | +1.44 ft |
| Same-day mean (11 years) | — | 834.80 ft | +0.21 ft |
Lake Allatoona Water Level Chart
Daily elevation Full pool (top of conservation pool) Latest
Full pool (top of conservation pool): 835.00 ft.
| Start | End | Low | High | Days |
|---|---|---|---|---|
| Sep 18, 2026 | Oct 17, 2026 | 835.01 ft | 837.51 ft | 30 |
Full pool (top of conservation pool): 835.00 ft.
| Start | End | Low | High | Days |
|---|---|---|---|---|
| Oct 17, 2025 | Oct 17, 2026 | 824.44 ft | 841.59 ft | 363 |
Full pool (top of conservation pool): 835.00 ft.
| Start | End | Low | High | Days |
|---|---|---|---|---|
| Oct 19, 2016 | Oct 17, 2026 | 822.42 ft | 851.52 ft | 3646 |
Monthly High, Low, and Average
Each row is the high, low, and average of the daily Lake Allatoona elevations in that month (Oct 2025 through Oct 2026). The lowest monthly average in this table is Feb 2026 at 826.68 ft (28 days). The highest monthly average is Jun 2026 at 841.00 ft.
| Month | High | Low | Average |
|---|---|---|---|
| Oct 2025 | 835.25 | 833.09 | 834.01 |
| Nov 2025 | 834.07 | 830.17 | 831.99 |
| Dec 2025 | 830.30 | 824.44 | 827.47 |
| Jan 2026 | 831.06 | 824.46 | 827.11 |
| Feb 2026 | 830.13 | 825.31 | 826.68 |
| Mar 2026 | 834.80 | 830.47 | 833.14 |
| Apr 2026 | 836.03 | 834.85 | 835.53 |
| May 2026 | 841.46 | 836.05 | 838.15 |
| Jun 2026 | 841.50 | 840.54 | 841.00 |
| Jul 2026 | 841.59 | 839.98 | 840.69 |
| Aug 2026 | 841.03 | 838.98 | 840.30 |
| Sep 2026 | 838.88 | 836.45 | 837.74 |
| Oct 2026 | 836.22 | 835.01 | 835.61 |
About This Data
| Agency | U.S. Geological Survey |
|---|---|
| Station | ALLATOONA LAKE NEAR CARTERSVILLE, GA (02393500) |
| Parameter | USGS parameter 00062, reservoir elevation, feet (Elevation of reservoir water surface above datum, ft) |
| Datum | NGVD29 |
| Formula | Same-day USACE CWMS Allatoona.Elev.Inst.1Hour.0.Raw-USGS is 835.01 ft (NGVD29), 0.00 ft from the USGS reading. |
| Full pool | Full pool (top of conservation pool): 835.00 ft |
| Full-pool source | https://cwms-data.usace.army.mil/cwms-data/levels?office=SAM&name=Allatoona.Elev.Inst.0.Top+of+Conservation&page-size=20 |
| Latest reading | Oct 17, 2026 EDT (2026-10-17 13:15 UTC) |
| Series file | data/raw/lake-allatoona/usgs-dv-00062-20261017T132852Z.json, data/raw/lake-allatoona/usgs-iv-20261017T132852Z.json, data/raw/lake-allatoona/usgs-site-20261017T132852Z.html, data/raw/lake-allatoona/cwms-catalog-20261017T132852Z.json |
| Note | Provisional data, subject to revision. |
How We Calculate These Numbers
Daily history for Lake Allatoona uses the USGS daily mean when the saved response includes one; otherwise it keeps the last instantaneous reading for each local date. For Lake Allatoona, full pool (top of conservation pool) is 835.00 ft. The difference on Oct 17, 2026 is +0.01 ft (835.01 minus 835.00). The same-day mean at Lake Allatoona uses 11 readings on this calendar day from 2015 through 2025 and equals 834.80 ft. All of these figures come from station 02393500. Percent full is shown only when an agency published it; it is never estimated by dividing elevation by a pool elevation.
FAQ
Is Lake Allatoona full?
Yes. On Oct 17, 2026, Lake Allatoona was at its top of conservation pool of 835.00 ft.
What is full pool at Lake Allatoona?
Full pool at Lake Allatoona is 835.00 ft (NGVD29). On Oct 17, 2026, the lake was level with it. The source is linked under About This Data.
Is Lake Allatoona higher than last year?
Yes, Lake Allatoona is higher than last year. On Oct 17, 2025 it was 833.57 ft; on Oct 17, 2026 it is 835.01 ft (+1.44 ft).
Where does the Lake Allatoona data come from?
U.S. Geological Survey station 02393500, USGS parameter 00062, reservoir elevation, feet (Elevation of reservoir water surface above datum, ft). The datum is NGVD29. Provisional data are subject to revision.
Nearby Lakes
| Lake | Level | Reading | Distance |
|---|---|---|---|
| Lake Lanier | 1,063.59 ft | Oct 17, 2026 | 37 mi |
| Lake Murray | 354.49 ft | Oct 17, 2026 | 201 mi |
| Jordan Lake | 213.59 ft | Oct 17, 2026 | 337 mi |
| Kerr Lake | 288.33 ft | Oct 17, 2026 | 399 mi |