Lake Chelan Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lake Chelan water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lake Chelan been doing?
Across the available 30-day series, Lake Chelan is falling overall. The measured range runs from 1,096.49 ft to 1,098.55 ft, with a net change of -2.00 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 | 1096.49 ft | 1096.52 ft | 1096.57 ft |
| Oct 6 | 1096.51 ft | 1096.59 ft | 1096.67 ft |
| Oct 5 | 1096.59 ft | 1096.72 ft | 1096.81 ft |
| Oct 4 | 1096.79 ft | 1096.88 ft | 1096.93 ft |
| Oct 3 | 1096.92 ft | 1096.99 ft | 1097.05 ft |
| Oct 2 | 1097.00 ft | 1097.13 ft | 1097.22 ft |
| Oct 1 | 1097.16 ft | 1097.25 ft | 1097.31 ft |
| Sep 30 | 1097.24 ft | 1097.36 ft | 1097.46 ft |
| Sep 29 | 1097.37 ft | 1097.48 ft | 1097.59 ft |
| Sep 28 | 1097.46 ft | 1097.61 ft | 1097.73 ft |
| Sep 27 | 1097.65 ft | 1097.75 ft | 1097.80 ft |
| Sep 26 | 1097.77 ft | 1097.84 ft | 1097.91 ft |
| Sep 25 | 1097.85 ft | 1097.99 ft | 1098.09 ft |
| Sep 24 | 1098.02 ft | 1098.14 ft | 1098.20 ft |
| Sep 23 | 1098.15 ft | 1098.20 ft | 1098.26 ft |
| Sep 22 | 1098.15 ft | 1098.21 ft | 1098.26 ft |
| Sep 21 | 1098.25 ft | 1098.28 ft | 1098.33 ft |
| Sep 20 | 1098.27 ft | 1098.29 ft | 1098.31 ft |
| Sep 19 | 1098.28 ft | 1098.30 ft | 1098.32 ft |
| Sep 18 | 1098.28 ft | 1098.30 ft | 1098.34 ft |
| Sep 17 | 1098.29 ft | 1098.32 ft | 1098.36 ft |
| Sep 16 | 1098.29 ft | 1098.33 ft | 1098.37 ft |
| Sep 15 | 1098.30 ft | 1098.34 ft | 1098.38 ft |
| Sep 14 | 1098.31 ft | 1098.35 ft | 1098.39 ft |
| Sep 13 | 1098.22 ft | 1098.34 ft | 1098.41 ft |
| Sep 12 | 1098.30 ft | 1098.39 ft | 1098.45 ft |
| Sep 11 | 1098.31 ft | 1098.36 ft | 1098.41 ft |
| Sep 10 | 1098.30 ft | 1098.39 ft | 1098.47 ft |
| Sep 9 | 1098.43 ft | 1098.48 ft | 1098.54 ft |
| Sep 8 | 1098.45 ft | 1098.49 ft | 1098.52 ft |
Lake Chelan level-history FAQ
How has Lake Chelan water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -2.00 ft and the overall direction is falling.
What was the highest Lake Chelan level in the last 30 days?
The highest reading in the available 30-day series is 1,098.55 ft.
What was the lowest Lake Chelan level in the last 30 days?
The lowest reading in the available 30-day series is 1,096.49 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.