First Fork Sinnemahoning Creek Reservoir Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
First Fork Sinnemahoning Creek Reservoir water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has First Fork Sinnemahoning Creek Reservoir been doing?
Across the available 30-day series, First Fork Sinnemahoning Creek Reservoir is falling overall. The measured range runs from 921.5 ft to 922.43 ft, with a net change of -0.02 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 | 921.93 ft | 921.95 ft | 921.97 ft |
| Oct 6 | 921.98 ft | 922.04 ft | 922.09 ft |
| Oct 5 | 922.05 ft | 922.06 ft | 922.06 ft |
| Oct 4 | 922.06 ft | 922.06 ft | 922.06 ft |
| Oct 3 | 922.03 ft | 922.05 ft | 922.06 ft |
| Oct 2 | 922.00 ft | 922.03 ft | 922.05 ft |
| Oct 1 | 922.04 ft | 922.10 ft | 922.18 ft |
| Sep 30 | 922.02 ft | 922.07 ft | 922.12 ft |
| Sep 29 | 922.05 ft | 922.07 ft | 922.12 ft |
| Sep 28 | 922.12 ft | 922.15 ft | 922.16 ft |
| Sep 27 | 922.15 ft | 922.16 ft | 922.16 ft |
| Sep 26 | 922.08 ft | 922.13 ft | 922.15 ft |
| Sep 25 | 921.97 ft | 922.02 ft | 922.08 ft |
| Sep 24 | 922.05 ft | 922.06 ft | 922.07 ft |
| Sep 23 | 921.93 ft | 921.97 ft | 922.05 ft |
| Sep 22 | 921.93 ft | 921.98 ft | 922.06 ft |
| Sep 21 | 922.05 ft | 922.09 ft | 922.19 ft |
| Sep 20 | 922.19 ft | 922.22 ft | 922.24 ft |
| Sep 19 | 922.14 ft | 922.21 ft | 922.31 ft |
| Sep 18 | 922.22 ft | 922.38 ft | 922.43 ft |
| Sep 17 | 921.87 ft | 922.00 ft | 922.21 ft |
| Sep 16 | 921.95 ft | 922.07 ft | 922.17 ft |
| Sep 15 | 921.88 ft | 922.00 ft | 922.12 ft |
| Sep 14 | 921.94 ft | 922.01 ft | 922.07 ft |
| Sep 13 | 921.50 ft | 921.75 ft | 922.01 ft |
| Sep 12 | 921.83 ft | 921.90 ft | 921.97 ft |
| Sep 11 | 921.89 ft | 921.92 ft | 921.97 ft |
| Sep 10 | 921.88 ft | 921.96 ft | 922.06 ft |
| Sep 9 | 922.03 ft | 922.05 ft | 922.07 ft |
| Sep 8 | 922.00 ft | 922.03 ft | 922.06 ft |
First Fork Sinnemahoning Creek Reservoir level-history FAQ
How has First Fork Sinnemahoning Creek Reservoir water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -0.02 ft and the overall direction is falling.
What was the highest First Fork Sinnemahoning Creek Reservoir level in the last 30 days?
The highest reading in the available 30-day series is 922.43 ft.
What was the lowest First Fork Sinnemahoning Creek Reservoir level in the last 30 days?
The lowest reading in the available 30-day series is 921.5 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.