Greenbelt Lake Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Greenbelt Lake water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Greenbelt Lake been doing?
Across the available 30-day series, Greenbelt Lake is falling overall. The measured range runs from 2,606.93 ft to 2,607.62 ft, with a net change of -0.68 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 | 2606.93 ft | 2606.94 ft | 2606.95 ft |
| Oct 6 | 2606.94 ft | 2606.96 ft | 2606.97 ft |
| Oct 5 | 2606.97 ft | 2606.98 ft | 2606.99 ft |
| Oct 4 | 2606.99 ft | 2607.01 ft | 2607.02 ft |
| Oct 3 | 2607.01 ft | 2607.03 ft | 2607.03 ft |
| Oct 2 | 2607.03 ft | 2607.05 ft | 2607.08 ft |
| Oct 1 | 2607.06 ft | 2607.09 ft | 2607.11 ft |
| Sep 30 | 2607.07 ft | 2607.11 ft | 2607.13 ft |
| Sep 29 | 2607.07 ft | 2607.08 ft | 2607.10 ft |
| Sep 28 | 2607.10 ft | 2607.15 ft | 2607.19 ft |
| Sep 27 | 2607.18 ft | 2607.20 ft | 2607.21 ft |
| Sep 26 | 2607.13 ft | 2607.19 ft | 2607.24 ft |
| Sep 25 | 2607.14 ft | 2607.15 ft | 2607.19 ft |
| Sep 24 | 2607.14 ft | 2607.15 ft | 2607.18 ft |
| Sep 23 | 2607.15 ft | 2607.17 ft | 2607.19 ft |
| Sep 22 | 2607.19 ft | 2607.20 ft | 2607.22 ft |
| Sep 21 | 2607.21 ft | 2607.23 ft | 2607.27 ft |
| Sep 20 | 2607.24 ft | 2607.25 ft | 2607.28 ft |
| Sep 19 | 2607.24 ft | 2607.28 ft | 2607.30 ft |
| Sep 18 | 2607.28 ft | 2607.31 ft | 2607.32 ft |
| Sep 17 | 2607.32 ft | 2607.34 ft | 2607.35 ft |
| Sep 16 | 2607.34 ft | 2607.37 ft | 2607.38 ft |
| Sep 15 | 2607.36 ft | 2607.39 ft | 2607.40 ft |
| Sep 14 | 2607.38 ft | 2607.41 ft | 2607.44 ft |
| Sep 13 | 2607.42 ft | 2607.45 ft | 2607.47 ft |
| Sep 12 | 2607.46 ft | 2607.49 ft | 2607.51 ft |
| Sep 11 | 2607.51 ft | 2607.52 ft | 2607.53 ft |
| Sep 9 | 2607.52 ft | 2607.54 ft | 2607.55 ft |
| Sep 8 | 2607.54 ft | 2607.56 ft | 2607.58 ft |
| Sep 7 | 2607.57 ft | 2607.59 ft | 2607.62 ft |
Greenbelt Lake level-history FAQ
How has Greenbelt Lake water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -0.68 ft and the overall direction is falling.
What was the highest Greenbelt Lake level in the last 30 days?
The highest reading in the available 30-day series is 2,607.62 ft.
What was the lowest Greenbelt Lake level in the last 30 days?
The lowest reading in the available 30-day series is 2,606.93 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.