Eagle Mountain Reservoir Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Eagle Mountain Reservoir water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Eagle Mountain Reservoir been doing?
Across the available 30-day series, Eagle Mountain Reservoir is falling overall. The measured range runs from 642.48 ft to 643.46 ft, with a net change of -0.09 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 | 643.36 ft | 643.36 ft | 643.37 ft |
| Oct 6 | 643.34 ft | 643.35 ft | 643.36 ft |
| Oct 5 | 643.29 ft | 643.32 ft | 643.34 ft |
| Oct 4 | 642.99 ft | 643.17 ft | 643.29 ft |
| Oct 3 | 642.92 ft | 642.98 ft | 643.01 ft |
| Oct 2 | 642.83 ft | 642.88 ft | 642.94 ft |
| Oct 1 | 642.50 ft | 642.72 ft | 642.83 ft |
| Sep 30 | 642.48 ft | 642.54 ft | 642.58 ft |
| Sep 29 | 642.52 ft | 642.56 ft | 642.59 ft |
| Sep 28 | 642.52 ft | 642.57 ft | 642.59 ft |
| Sep 27 | 642.57 ft | 642.59 ft | 642.62 ft |
| Sep 26 | 642.58 ft | 642.63 ft | 642.66 ft |
| Sep 25 | 642.65 ft | 642.67 ft | 642.69 ft |
| Sep 24 | 642.66 ft | 642.70 ft | 642.75 ft |
| Sep 23 | 642.64 ft | 642.74 ft | 642.79 ft |
| Sep 22 | 642.77 ft | 642.79 ft | 642.84 ft |
| Sep 21 | 642.74 ft | 642.83 ft | 642.89 ft |
| Sep 20 | 642.80 ft | 642.85 ft | 642.88 ft |
| Sep 19 | 642.87 ft | 642.90 ft | 642.93 ft |
| Sep 18 | 642.93 ft | 642.96 ft | 642.99 ft |
| Sep 17 | 642.99 ft | 643.02 ft | 643.04 ft |
| Sep 16 | 643.03 ft | 643.06 ft | 643.09 ft |
| Sep 15 | 643.07 ft | 643.10 ft | 643.14 ft |
| Sep 14 | 643.11 ft | 643.16 ft | 643.19 ft |
| Sep 13 | 643.18 ft | 643.21 ft | 643.24 ft |
| Sep 12 | 643.22 ft | 643.26 ft | 643.29 ft |
| Sep 11 | 643.21 ft | 643.31 ft | 643.35 ft |
| Sep 10 | 643.30 ft | 643.34 ft | 643.42 ft |
| Sep 9 | 643.30 ft | 643.37 ft | 643.40 ft |
| Sep 8 | 643.36 ft | 643.41 ft | 643.42 ft |
Eagle Mountain Reservoir level-history FAQ
How has Eagle Mountain Reservoir water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -0.09 ft and the overall direction is falling.
What was the highest Eagle Mountain Reservoir level in the last 30 days?
The highest reading in the available 30-day series is 643.46 ft.
What was the lowest Eagle Mountain Reservoir level in the last 30 days?
The lowest reading in the available 30-day series is 642.48 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.