Lake Arrowhead Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lake Arrowhead water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lake Arrowhead been doing?
Across the available 30-day series, Lake Arrowhead is falling overall. The measured range runs from 920.56 ft to 921.19 ft, with a net change of -0.48 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 | 920.71 ft | 920.72 ft | 920.73 ft |
| Oct 6 | 920.69 ft | 920.72 ft | 920.75 ft |
| Oct 5 | 920.73 ft | 920.74 ft | 920.76 ft |
| Oct 4 | 920.66 ft | 920.73 ft | 920.77 ft |
| Oct 3 | 920.66 ft | 920.68 ft | 920.69 ft |
| Oct 2 | 920.63 ft | 920.68 ft | 920.72 ft |
| Oct 1 | 920.64 ft | 920.71 ft | 920.74 ft |
| Sep 30 | 920.62 ft | 920.67 ft | 920.75 ft |
| Sep 29 | 920.63 ft | 920.67 ft | 920.69 ft |
| Sep 28 | 920.61 ft | 920.67 ft | 920.70 ft |
| Sep 27 | 920.67 ft | 920.70 ft | 920.72 ft |
| Sep 26 | 920.56 ft | 920.69 ft | 920.73 ft |
| Sep 25 | 920.70 ft | 920.71 ft | 920.74 ft |
| Sep 24 | 920.72 ft | 920.73 ft | 920.75 ft |
| Sep 23 | 920.73 ft | 920.75 ft | 920.76 ft |
| Sep 22 | 920.73 ft | 920.77 ft | 920.81 ft |
| Sep 21 | 920.74 ft | 920.81 ft | 920.83 ft |
| Sep 20 | 920.81 ft | 920.84 ft | 920.86 ft |
| Sep 19 | 920.83 ft | 920.87 ft | 920.89 ft |
| Sep 18 | 920.86 ft | 920.89 ft | 920.91 ft |
| Sep 17 | 920.89 ft | 920.92 ft | 920.94 ft |
| Sep 16 | 920.91 ft | 920.95 ft | 920.98 ft |
| Sep 15 | 920.95 ft | 920.99 ft | 921.04 ft |
| Sep 14 | 921.00 ft | 921.03 ft | 921.06 ft |
| Sep 13 | 921.02 ft | 921.05 ft | 921.06 ft |
| Sep 12 | 921.04 ft | 921.07 ft | 921.10 ft |
| Sep 11 | 921.07 ft | 921.09 ft | 921.11 ft |
| Sep 10 | 921.07 ft | 921.11 ft | 921.14 ft |
| Sep 9 | 921.10 ft | 921.13 ft | 921.15 ft |
| Sep 8 | 921.13 ft | 921.16 ft | 921.17 ft |
Lake Arrowhead level-history FAQ
How has Lake Arrowhead water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -0.48 ft and the overall direction is falling.
What was the highest Lake Arrowhead level in the last 30 days?
The highest reading in the available 30-day series is 921.19 ft.
What was the lowest Lake Arrowhead level in the last 30 days?
The lowest reading in the available 30-day series is 920.56 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.