Island Creek Reservoir Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Island Creek Reservoir water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Island Creek Reservoir been doing?
Across the available 30-day series, Island Creek Reservoir is rising overall. The measured range runs from 257.93 ft to 258.41 ft, with a net change of +0.35 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 | 258.34 ft | 258.34 ft | 258.36 ft |
| Oct 6 | 258.34 ft | 258.35 ft | 258.37 ft |
| Oct 5 | 258.35 ft | 258.36 ft | 258.36 ft |
| Oct 4 | 258.35 ft | 258.36 ft | 258.36 ft |
| Oct 3 | 258.35 ft | 258.36 ft | 258.37 ft |
| Oct 2 | 258.36 ft | 258.37 ft | 258.38 ft |
| Oct 1 | 258.37 ft | 258.37 ft | 258.39 ft |
| Sep 30 | 258.38 ft | 258.38 ft | 258.39 ft |
| Sep 29 | 258.38 ft | 258.38 ft | 258.38 ft |
| Sep 28 | 258.38 ft | 258.38 ft | 258.39 ft |
| Sep 27 | 258.38 ft | 258.38 ft | 258.40 ft |
| Sep 26 | 258.38 ft | 258.39 ft | 258.41 ft |
| Sep 25 | 258.38 ft | 258.39 ft | 258.41 ft |
| Sep 24 | 258.37 ft | 258.39 ft | 258.41 ft |
| Sep 23 | 258.35 ft | 258.37 ft | 258.40 ft |
| Sep 22 | 258.34 ft | 258.35 ft | 258.38 ft |
| Sep 21 | 258.32 ft | 258.33 ft | 258.35 ft |
| Sep 20 | 258.31 ft | 258.32 ft | 258.34 ft |
| Sep 19 | 258.28 ft | 258.30 ft | 258.32 ft |
| Sep 18 | 258.22 ft | 258.24 ft | 258.31 ft |
| Sep 17 | 258.22 ft | 258.23 ft | 258.24 ft |
| Sep 16 | 258.23 ft | 258.25 ft | 258.26 ft |
| Sep 15 | 258.23 ft | 258.24 ft | 258.26 ft |
| Sep 14 | 258.16 ft | 258.22 ft | 258.34 ft |
| Sep 13 | 257.98 ft | 258.09 ft | 258.16 ft |
| Sep 12 | 257.93 ft | 257.95 ft | 257.99 ft |
| Sep 11 | 257.93 ft | 257.94 ft | 257.95 ft |
| Sep 10 | 257.94 ft | 257.95 ft | 257.97 ft |
| Sep 9 | 257.95 ft | 257.97 ft | 257.98 ft |
| Sep 8 | 257.97 ft | 257.98 ft | 257.98 ft |
Island Creek Reservoir level-history FAQ
How has Island Creek Reservoir water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is +0.35 ft and the overall direction is rising.
What was the highest Island Creek Reservoir level in the last 30 days?
The highest reading in the available 30-day series is 258.41 ft.
What was the lowest Island Creek Reservoir level in the last 30 days?
The lowest reading in the available 30-day series is 257.93 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.