Lahontan Reservoir Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lahontan Reservoir water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lahontan Reservoir been doing?
Across the available 30-day series, Lahontan Reservoir is falling overall. The measured range runs from 4,128 ft to 4,134.74 ft, with a net change of -6.74 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 | 4128.00 ft | 4128.06 ft | 4128.10 ft |
| Oct 6 | 4128.10 ft | 4128.20 ft | 4128.31 ft |
| Oct 5 | 4128.31 ft | 4128.41 ft | 4128.51 ft |
| Oct 4 | 4128.51 ft | 4128.62 ft | 4128.74 ft |
| Oct 3 | 4128.74 ft | 4128.85 ft | 4128.97 ft |
| Oct 2 | 4128.98 ft | 4129.10 ft | 4129.22 ft |
| Oct 1 | 4129.22 ft | 4129.33 ft | 4129.46 ft |
| Sep 30 | 4129.46 ft | 4129.58 ft | 4129.72 ft |
| Sep 29 | 4129.73 ft | 4129.85 ft | 4129.98 ft |
| Sep 28 | 4129.98 ft | 4130.10 ft | 4130.19 ft |
| Sep 27 | 4130.18 ft | 4130.32 ft | 4130.44 ft |
| Sep 26 | 4130.44 ft | 4130.57 ft | 4130.69 ft |
| Sep 25 | 4130.68 ft | 4130.81 ft | 4130.93 ft |
| Sep 24 | 4130.92 ft | 4131.04 ft | 4131.16 ft |
| Sep 23 | 4131.16 ft | 4131.27 ft | 4131.39 ft |
| Sep 22 | 4131.39 ft | 4131.50 ft | 4131.63 ft |
| Sep 21 | 4131.61 ft | 4131.72 ft | 4131.81 ft |
| Sep 20 | 4131.81 ft | 4131.91 ft | 4132.01 ft |
| Sep 19 | 4132.01 ft | 4132.13 ft | 4132.24 ft |
| Sep 18 | 4132.24 ft | 4132.35 ft | 4132.47 ft |
| Sep 17 | 4132.46 ft | 4132.59 ft | 4132.70 ft |
| Sep 16 | 4132.71 ft | 4132.83 ft | 4132.96 ft |
| Sep 15 | 4132.97 ft | 4133.07 ft | 4133.17 ft |
| Sep 14 | 4133.17 ft | 4133.28 ft | 4133.38 ft |
| Sep 13 | 4133.37 ft | 4133.51 ft | 4133.64 ft |
| Sep 12 | 4133.63 ft | 4133.75 ft | 4133.87 ft |
| Sep 11 | 4133.86 ft | 4133.98 ft | 4134.11 ft |
| Sep 10 | 4134.10 ft | 4134.21 ft | 4134.30 ft |
| Sep 9 | 4134.31 ft | 4134.39 ft | 4134.48 ft |
| Sep 8 | 4134.48 ft | 4134.56 ft | 4134.65 ft |
Lahontan Reservoir level-history FAQ
How has Lahontan Reservoir water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -6.74 ft and the overall direction is falling.
What was the highest Lahontan Reservoir level in the last 30 days?
The highest reading in the available 30-day series is 4,134.74 ft.
What was the lowest Lahontan Reservoir level in the last 30 days?
The lowest reading in the available 30-day series is 4,128 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.