Lake Geneva Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lake Geneva water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lake Geneva been doing?
Across the available 30-day series, Lake Geneva is rising overall. The measured range runs from 864.12 ft to 864.6 ft, with a net change of +0.13 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 | 864.45 ft | 864.46 ft | 864.49 ft |
| Oct 6 | 864.45 ft | 864.48 ft | 864.52 ft |
| Oct 5 | 864.46 ft | 864.49 ft | 864.51 ft |
| Oct 4 | 864.44 ft | 864.52 ft | 864.58 ft |
| Oct 3 | 864.50 ft | 864.53 ft | 864.55 ft |
| Oct 1 | 864.39 ft | 864.49 ft | 864.60 ft |
| Sep 30 | 864.37 ft | 864.44 ft | 864.50 ft |
| Sep 29 | 864.38 ft | 864.41 ft | 864.44 ft |
| Sep 28 | 864.40 ft | 864.42 ft | 864.44 ft |
| Sep 27 | 864.41 ft | 864.43 ft | 864.44 ft |
| Sep 26 | 864.40 ft | 864.44 ft | 864.47 ft |
| Sep 25 | 864.42 ft | 864.45 ft | 864.47 ft |
| Sep 24 | 864.45 ft | 864.48 ft | 864.50 ft |
| Sep 23 | 864.46 ft | 864.49 ft | 864.51 ft |
| Sep 22 | 864.48 ft | 864.52 ft | 864.57 ft |
| Sep 21 | 864.49 ft | 864.54 ft | 864.58 ft |
| Sep 20 | 864.44 ft | 864.53 ft | 864.59 ft |
| Sep 19 | 864.21 ft | 864.42 ft | 864.53 ft |
| Sep 18 | 864.20 ft | 864.29 ft | 864.34 ft |
| Sep 17 | 864.17 ft | 864.29 ft | 864.38 ft |
| Sep 16 | 864.25 ft | 864.29 ft | 864.34 ft |
| Sep 15 | 864.12 ft | 864.30 ft | 864.38 ft |
| Sep 14 | 864.17 ft | 864.28 ft | 864.43 ft |
| Sep 13 | 864.22 ft | 864.30 ft | 864.34 ft |
| Sep 12 | 864.29 ft | 864.32 ft | 864.35 ft |
| Sep 11 | 864.31 ft | 864.33 ft | 864.35 ft |
| Sep 10 | 864.32 ft | 864.34 ft | 864.37 ft |
| Sep 9 | 864.28 ft | 864.36 ft | 864.43 ft |
| Sep 8 | 864.28 ft | 864.33 ft | 864.37 ft |
| Sep 7 | 864.31 ft | 864.35 ft | 864.38 ft |
Lake Geneva level-history FAQ
How has Lake Geneva water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is +0.13 ft and the overall direction is rising.
What was the highest Lake Geneva level in the last 30 days?
The highest reading in the available 30-day series is 864.6 ft.
What was the lowest Lake Geneva level in the last 30 days?
The lowest reading in the available 30-day series is 864.12 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.