Savannah River Reservoir Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Savannah River Reservoir water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Savannah River Reservoir been doing?
Across the available 30-day series, Savannah River Reservoir is falling overall. The measured range runs from 183.35 ft to 186.47 ft, with a net change of -0.22 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 | 184.35 ft | 185.09 ft | 185.87 ft |
| Oct 6 | 184.13 ft | 185.04 ft | 186.14 ft |
| Oct 5 | 183.43 ft | 184.42 ft | 185.78 ft |
| Oct 4 | 183.35 ft | 184.36 ft | 185.52 ft |
| Oct 3 | 184.24 ft | 184.81 ft | 185.41 ft |
| Oct 2 | 183.58 ft | 184.57 ft | 185.47 ft |
| Oct 1 | 183.84 ft | 184.69 ft | 185.62 ft |
| Sep 30 | 183.68 ft | 184.64 ft | 185.69 ft |
| Sep 29 | 183.74 ft | 184.69 ft | 185.68 ft |
| Sep 28 | 183.79 ft | 184.84 ft | 185.80 ft |
| Sep 27 | 184.02 ft | 184.99 ft | 186.04 ft |
| Sep 26 | 183.83 ft | 184.98 ft | 185.91 ft |
| Sep 25 | 185.40 ft | 185.78 ft | 186.17 ft |
| Sep 24 | 184.05 ft | 184.98 ft | 186.09 ft |
| Sep 23 | 183.83 ft | 184.75 ft | 185.90 ft |
| Sep 22 | 183.53 ft | 184.44 ft | 185.63 ft |
| Sep 21 | 183.61 ft | 184.43 ft | 185.28 ft |
| Sep 20 | 183.60 ft | 184.56 ft | 185.43 ft |
| Sep 19 | 183.91 ft | 184.78 ft | 185.61 ft |
| Sep 18 | 184.07 ft | 184.96 ft | 185.89 ft |
| Sep 17 | 184.03 ft | 184.93 ft | 185.98 ft |
| Sep 16 | 183.78 ft | 184.79 ft | 185.93 ft |
| Sep 15 | 183.65 ft | 184.67 ft | 185.75 ft |
| Sep 14 | 183.92 ft | 184.86 ft | 185.73 ft |
| Sep 13 | 183.90 ft | 184.79 ft | 185.56 ft |
| Sep 12 | 183.99 ft | 185.03 ft | 185.97 ft |
| Sep 11 | 184.39 ft | 185.36 ft | 186.13 ft |
| Sep 10 | 184.60 ft | 185.58 ft | 186.41 ft |
| Sep 9 | 184.51 ft | 185.43 ft | 186.47 ft |
| Sep 8 | 184.02 ft | 185.07 ft | 186.13 ft |
Savannah River Reservoir level-history FAQ
How has Savannah River Reservoir water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -0.22 ft and the overall direction is falling.
What was the highest Savannah River Reservoir level in the last 30 days?
The highest reading in the available 30-day series is 186.47 ft.
What was the lowest Savannah River Reservoir level in the last 30 days?
The lowest reading in the available 30-day series is 183.35 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.