Hyco Lake Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Hyco Lake water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Hyco Lake been doing?
Across the available 30-day series, Hyco Lake is falling overall. The measured range runs from 407.77 ft to 408.18 ft, with a net change of -0.40 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 | 407.77 ft | 407.78 ft | 407.79 ft |
| Oct 6 | 407.78 ft | 407.79 ft | 407.81 ft |
| Oct 5 | 407.80 ft | 407.80 ft | 407.81 ft |
| Oct 4 | 407.80 ft | 407.81 ft | 407.82 ft |
| Oct 3 | 407.80 ft | 407.82 ft | 407.84 ft |
| Oct 2 | 407.83 ft | 407.84 ft | 407.85 ft |
| Oct 1 | 407.83 ft | 407.84 ft | 407.86 ft |
| Sep 30 | 407.84 ft | 407.84 ft | 407.85 ft |
| Sep 29 | 407.85 ft | 407.85 ft | 407.87 ft |
| Sep 28 | 407.85 ft | 407.87 ft | 407.89 ft |
| Sep 27 | 407.87 ft | 407.90 ft | 407.91 ft |
| Sep 26 | 407.89 ft | 407.91 ft | 407.93 ft |
| Sep 25 | 407.90 ft | 407.93 ft | 407.94 ft |
| Sep 24 | 407.92 ft | 407.94 ft | 407.96 ft |
| Sep 23 | 407.83 ft | 407.90 ft | 407.97 ft |
| Sep 22 | 407.84 ft | 407.87 ft | 407.90 ft |
| Sep 21 | 407.81 ft | 407.86 ft | 407.90 ft |
| Sep 20 | 407.87 ft | 407.89 ft | 407.91 ft |
| Sep 19 | 407.90 ft | 407.91 ft | 407.93 ft |
| Sep 18 | 407.92 ft | 407.95 ft | 407.96 ft |
| Sep 17 | 407.95 ft | 407.97 ft | 407.98 ft |
| Sep 16 | 407.98 ft | 407.99 ft | 408.01 ft |
| Sep 15 | 408.01 ft | 408.03 ft | 408.05 ft |
| Sep 14 | 408.03 ft | 408.07 ft | 408.08 ft |
| Sep 13 | 408.00 ft | 408.07 ft | 408.10 ft |
| Sep 12 | 407.99 ft | 408.01 ft | 408.04 ft |
| Sep 11 | 408.01 ft | 408.04 ft | 408.07 ft |
| Sep 10 | 408.06 ft | 408.09 ft | 408.11 ft |
| Sep 9 | 408.10 ft | 408.12 ft | 408.14 ft |
| Sep 8 | 408.14 ft | 408.15 ft | 408.17 ft |
Hyco Lake level-history FAQ
How has Hyco Lake water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -0.40 ft and the overall direction is falling.
What was the highest Hyco Lake level in the last 30 days?
The highest reading in the available 30-day series is 408.18 ft.
What was the lowest Hyco Lake level in the last 30 days?
The lowest reading in the available 30-day series is 407.77 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.