Calaveras Reservoir Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Calaveras Reservoir water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Calaveras Reservoir been doing?
Across the available 30-day series, Calaveras Reservoir is falling overall. The measured range runs from 726.82 ft to 728.43 ft, with a net change of -1.61 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 | 726.82 ft | 726.83 ft | 726.86 ft |
| Oct 6 | 726.85 ft | 726.90 ft | 726.95 ft |
| Oct 5 | 726.95 ft | 727.00 ft | 727.05 ft |
| Oct 4 | 727.06 ft | 727.09 ft | 727.12 ft |
| Oct 3 | 727.12 ft | 727.16 ft | 727.20 ft |
| Oct 2 | 727.19 ft | 727.26 ft | 727.32 ft |
| Oct 1 | 727.32 ft | 727.37 ft | 727.42 ft |
| Sep 30 | 727.42 ft | 727.48 ft | 727.53 ft |
| Sep 29 | 727.53 ft | 727.58 ft | 727.62 ft |
| Sep 28 | 727.62 ft | 727.66 ft | 727.70 ft |
| Sep 27 | 727.69 ft | 727.74 ft | 727.78 ft |
| Sep 26 | 727.78 ft | 727.83 ft | 727.86 ft |
| Sep 25 | 727.86 ft | 727.91 ft | 727.96 ft |
| Sep 24 | 727.96 ft | 728.00 ft | 728.01 ft |
| Sep 23 | 728.01 ft | 728.02 ft | 728.03 ft |
| Sep 22 | 728.03 ft | 728.05 ft | 728.07 ft |
| Sep 21 | 728.06 ft | 728.08 ft | 728.09 ft |
| Sep 20 | 728.07 ft | 728.09 ft | 728.10 ft |
| Sep 19 | 728.10 ft | 728.11 ft | 728.12 ft |
| Sep 18 | 728.11 ft | 728.13 ft | 728.14 ft |
| Sep 17 | 728.13 ft | 728.15 ft | 728.17 ft |
| Sep 16 | 728.17 ft | 728.19 ft | 728.21 ft |
| Sep 15 | 728.20 ft | 728.22 ft | 728.23 ft |
| Sep 14 | 728.23 ft | 728.24 ft | 728.26 ft |
| Sep 13 | 728.24 ft | 728.27 ft | 728.28 ft |
| Sep 12 | 728.27 ft | 728.29 ft | 728.31 ft |
| Sep 11 | 728.30 ft | 728.33 ft | 728.34 ft |
| Sep 10 | 728.34 ft | 728.37 ft | 728.38 ft |
| Sep 9 | 728.37 ft | 728.40 ft | 728.42 ft |
| Sep 8 | 728.40 ft | 728.42 ft | 728.43 ft |
Calaveras Reservoir level-history FAQ
How has Calaveras Reservoir water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -1.61 ft and the overall direction is falling.
What was the highest Calaveras Reservoir level in the last 30 days?
The highest reading in the available 30-day series is 728.43 ft.
What was the lowest Calaveras Reservoir level in the last 30 days?
The lowest reading in the available 30-day series is 726.82 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.