Lake Lanier Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lake Lanier water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lake Lanier been doing?
Across the available 30-day series, Lake Lanier is falling overall. The measured range runs from 1,063.82 ft to 1,065.33 ft, with a net change of -1.51 ft.
Lake levels can respond to rainfall, watershed inflow, dam and hydropower operations, seasonal target elevations, evaporation and downstream release requirements. This page reports what the matched sensor measured; it does not infer why an operator changed a reservoir.
Recent daily levels
| Date | Low | Average | High |
|---|---|---|---|
| Oct 7 | 1063.82 ft | 1063.83 ft | 1063.85 ft |
| Oct 6 | 1063.83 ft | 1063.89 ft | 1063.92 ft |
| Oct 5 | 1063.89 ft | 1063.92 ft | 1063.95 ft |
| Oct 4 | 1063.92 ft | 1063.94 ft | 1063.96 ft |
| Oct 3 | 1063.94 ft | 1063.97 ft | 1063.99 ft |
| Oct 2 | 1063.98 ft | 1064.03 ft | 1064.06 ft |
| Oct 1 | 1064.04 ft | 1064.09 ft | 1064.11 ft |
| Sep 30 | 1064.11 ft | 1064.15 ft | 1064.17 ft |
| Sep 29 | 1064.16 ft | 1064.21 ft | 1064.23 ft |
| Sep 28 | 1064.22 ft | 1064.27 ft | 1064.30 ft |
| Sep 27 | 1064.28 ft | 1064.32 ft | 1064.38 ft |
| Sep 26 | 1064.36 ft | 1064.41 ft | 1064.44 ft |
| Sep 25 | 1064.44 ft | 1064.47 ft | 1064.50 ft |
| Sep 24 | 1064.50 ft | 1064.55 ft | 1064.58 ft |
| Sep 23 | 1064.56 ft | 1064.60 ft | 1064.64 ft |
| Sep 22 | 1064.59 ft | 1064.63 ft | 1064.69 ft |
| Sep 21 | 1064.61 ft | 1064.65 ft | 1064.68 ft |
| Sep 20 | 1064.64 ft | 1064.69 ft | 1064.74 ft |
| Sep 19 | 1064.67 ft | 1064.74 ft | 1064.78 ft |
| Sep 18 | 1064.75 ft | 1064.79 ft | 1064.82 ft |
| Sep 17 | 1064.81 ft | 1064.85 ft | 1064.88 ft |
| Sep 16 | 1064.86 ft | 1064.91 ft | 1064.94 ft |
| Sep 15 | 1064.93 ft | 1064.98 ft | 1065.00 ft |
| Sep 14 | 1064.98 ft | 1065.02 ft | 1065.05 ft |
| Sep 13 | 1065.02 ft | 1065.07 ft | 1065.08 ft |
| Sep 12 | 1065.02 ft | 1065.06 ft | 1065.09 ft |
| Sep 11 | 1064.98 ft | 1065.04 ft | 1065.09 ft |
| Sep 10 | 1065.04 ft | 1065.10 ft | 1065.12 ft |
| Sep 9 | 1065.11 ft | 1065.16 ft | 1065.19 ft |
| Sep 8 | 1065.18 ft | 1065.23 ft | 1065.27 ft |
Lake Lanier level-history FAQ
How has Lake Lanier water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -1.51 ft and the overall direction is falling.
What was the highest Lake Lanier level in the last 30 days?
The highest reading in the available 30-day series is 1,065.33 ft.
What was the lowest Lake Lanier level in the last 30 days?
The lowest reading in the available 30-day series is 1,063.82 ft.
Are historical USGS lake readings final?
Not always. Recent readings may be marked provisional and can be revised by the source agency after quality review.