Stillhouse Hollow Lake Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Stillhouse Hollow Lake water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Stillhouse Hollow Lake been doing?
Across the available 30-day series, Stillhouse Hollow Lake is rising overall. The measured range runs from 620.54 ft to 621.46 ft, with a net change of +0.05 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 8 | 621.38 ft | 621.39 ft | 621.40 ft |
| Oct 7 | 621.40 ft | 621.41 ft | 621.43 ft |
| Oct 6 | 621.43 ft | 621.44 ft | 621.44 ft |
| Oct 5 | 621.44 ft | 621.45 ft | 621.46 ft |
| Oct 4 | 621.41 ft | 621.44 ft | 621.46 ft |
| Oct 3 | 620.87 ft | 621.27 ft | 621.41 ft |
| Oct 2 | 620.65 ft | 620.71 ft | 620.87 ft |
| Oct 1 | 620.54 ft | 620.59 ft | 620.66 ft |
| Sep 30 | 620.55 ft | 620.58 ft | 620.60 ft |
| Sep 29 | 620.60 ft | 620.63 ft | 620.64 ft |
| Sep 28 | 620.64 ft | 620.67 ft | 620.70 ft |
| Sep 27 | 620.69 ft | 620.71 ft | 620.73 ft |
| Sep 26 | 620.73 ft | 620.75 ft | 620.77 ft |
| Sep 25 | 620.77 ft | 620.79 ft | 620.82 ft |
| Sep 24 | 620.81 ft | 620.83 ft | 620.86 ft |
| Sep 23 | 620.83 ft | 620.86 ft | 620.88 ft |
| Sep 22 | 620.88 ft | 620.90 ft | 620.92 ft |
| Sep 21 | 620.90 ft | 620.94 ft | 620.98 ft |
| Sep 20 | 620.96 ft | 620.99 ft | 621.01 ft |
| Sep 19 | 621.01 ft | 621.03 ft | 621.05 ft |
| Sep 18 | 621.05 ft | 621.08 ft | 621.09 ft |
| Sep 17 | 621.09 ft | 621.12 ft | 621.13 ft |
| Sep 16 | 621.13 ft | 621.15 ft | 621.17 ft |
| Sep 15 | 621.17 ft | 621.20 ft | 621.22 ft |
| Sep 14 | 621.22 ft | 621.24 ft | 621.26 ft |
| Sep 13 | 621.26 ft | 621.28 ft | 621.30 ft |
| Sep 12 | 621.30 ft | 621.32 ft | 621.34 ft |
| Sep 11 | 621.25 ft | 621.27 ft | 621.32 ft |
| Sep 10 | 621.27 ft | 621.29 ft | 621.30 ft |
| Sep 9 | 621.30 ft | 621.31 ft | 621.32 ft |
Stillhouse Hollow Lake level-history FAQ
How has Stillhouse Hollow Lake water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is +0.05 ft and the overall direction is rising.
What was the highest Stillhouse Hollow Lake level in the last 30 days?
The highest reading in the available 30-day series is 621.46 ft.
What was the lowest Stillhouse Hollow Lake level in the last 30 days?
The lowest reading in the available 30-day series is 620.54 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.