Wanaque Reservoir Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Wanaque Reservoir water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Wanaque Reservoir been doing?
Across the available 30-day series, Wanaque Reservoir is falling overall. The measured range runs from 292.06 ft to 295.07 ft, with a net change of -2.99 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 | 292.06 ft | 292.11 ft | 292.17 ft |
| Oct 6 | 292.14 ft | 292.22 ft | 292.32 ft |
| Oct 5 | 292.29 ft | 292.36 ft | 292.44 ft |
| Oct 4 | 292.42 ft | 292.49 ft | 292.56 ft |
| Oct 3 | 292.55 ft | 292.61 ft | 292.68 ft |
| Oct 2 | 292.66 ft | 292.72 ft | 292.84 ft |
| Oct 1 | 292.76 ft | 292.81 ft | 292.91 ft |
| Sep 30 | 292.85 ft | 292.88 ft | 292.93 ft |
| Sep 29 | 292.92 ft | 292.96 ft | 293.03 ft |
| Sep 28 | 292.91 ft | 292.95 ft | 293.01 ft |
| Sep 27 | 292.92 ft | 292.95 ft | 293.00 ft |
| Sep 26 | 292.92 ft | 292.98 ft | 293.10 ft |
| Sep 25 | 293.02 ft | 293.10 ft | 293.20 ft |
| Sep 24 | 293.19 ft | 293.25 ft | 293.35 ft |
| Sep 23 | 293.33 ft | 293.40 ft | 293.49 ft |
| Sep 22 | 293.46 ft | 293.56 ft | 293.63 ft |
| Sep 21 | 293.60 ft | 293.67 ft | 293.74 ft |
| Sep 20 | 293.73 ft | 293.77 ft | 293.82 ft |
| Sep 19 | 293.82 ft | 293.88 ft | 293.96 ft |
| Sep 18 | 293.94 ft | 294.00 ft | 294.09 ft |
| Sep 17 | 294.07 ft | 294.11 ft | 294.17 ft |
| Sep 16 | 294.15 ft | 294.23 ft | 294.31 ft |
| Sep 15 | 294.29 ft | 294.34 ft | 294.41 ft |
| Sep 14 | 294.39 ft | 294.43 ft | 294.49 ft |
| Sep 13 | 294.38 ft | 294.44 ft | 294.47 ft |
| Sep 12 | 294.39 ft | 294.46 ft | 294.55 ft |
| Sep 11 | 294.53 ft | 294.59 ft | 294.68 ft |
| Sep 10 | 294.67 ft | 294.73 ft | 294.81 ft |
| Sep 9 | 294.77 ft | 294.84 ft | 294.94 ft |
| Sep 8 | 294.92 ft | 294.97 ft | 295.05 ft |
Wanaque Reservoir level-history FAQ
How has Wanaque Reservoir water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -2.99 ft and the overall direction is falling.
What was the highest Wanaque Reservoir level in the last 30 days?
The highest reading in the available 30-day series is 295.07 ft.
What was the lowest Wanaque Reservoir level in the last 30 days?
The lowest reading in the available 30-day series is 292.06 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.