Onondaga Lake Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Onondaga Lake water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Onondaga Lake been doing?
Across the available 30-day series, Onondaga Lake is falling overall. The measured range runs from 362.38 ft to 362.95 ft, with a net change of -0.31 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 | 362.41 ft | 362.43 ft | 362.44 ft |
| Oct 6 | 362.44 ft | 362.46 ft | 362.49 ft |
| Oct 5 | 362.48 ft | 362.50 ft | 362.52 ft |
| Oct 4 | 362.46 ft | 362.49 ft | 362.51 ft |
| Oct 3 | 362.50 ft | 362.51 ft | 362.52 ft |
| Oct 2 | 362.49 ft | 362.52 ft | 362.53 ft |
| Oct 1 | 362.49 ft | 362.50 ft | 362.51 ft |
| Sep 30 | 362.50 ft | 362.50 ft | 362.51 ft |
| Sep 29 | 362.50 ft | 362.51 ft | 362.51 ft |
| Sep 28 | 362.51 ft | 362.51 ft | 362.52 ft |
| Sep 27 | 362.50 ft | 362.51 ft | 362.52 ft |
| Sep 26 | 362.48 ft | 362.50 ft | 362.51 ft |
| Sep 25 | 362.43 ft | 362.46 ft | 362.49 ft |
| Sep 24 | 362.39 ft | 362.40 ft | 362.43 ft |
| Sep 23 | 362.38 ft | 362.41 ft | 362.47 ft |
| Sep 22 | 362.47 ft | 362.57 ft | 362.62 ft |
| Sep 21 | 362.60 ft | 362.61 ft | 362.62 ft |
| Sep 20 | 362.62 ft | 362.65 ft | 362.68 ft |
| Sep 19 | 362.68 ft | 362.73 ft | 362.78 ft |
| Sep 18 | 362.79 ft | 362.84 ft | 362.88 ft |
| Sep 17 | 362.66 ft | 362.78 ft | 362.88 ft |
| Sep 16 | 362.65 ft | 362.66 ft | 362.67 ft |
| Sep 15 | 362.64 ft | 362.69 ft | 362.77 ft |
| Sep 14 | 362.77 ft | 362.83 ft | 362.85 ft |
| Sep 13 | 362.78 ft | 362.81 ft | 362.84 ft |
| Sep 12 | 362.75 ft | 362.76 ft | 362.77 ft |
| Sep 11 | 362.74 ft | 362.76 ft | 362.82 ft |
| Sep 10 | 362.82 ft | 362.90 ft | 362.95 ft |
| Sep 9 | 362.83 ft | 362.88 ft | 362.95 ft |
| Sep 8 | 362.73 ft | 362.81 ft | 362.88 ft |
Onondaga Lake level-history FAQ
How has Onondaga Lake water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -0.31 ft and the overall direction is falling.
What was the highest Onondaga Lake level in the last 30 days?
The highest reading in the available 30-day series is 362.95 ft.
What was the lowest Onondaga Lake level in the last 30 days?
The lowest reading in the available 30-day series is 362.38 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.