Greenwood Lake Water Level
New Jersey · updated daily from the U.S. Geological Survey
10.12 ft
Greenwood Lake is current reading available and steady (-0.09 ft in the last 7 days).
Change since yesterday: -0.03 ft
Reading as of 2026-08-15
Where Greenwood Lake sits historically
Today's level compared with every reading in our 0.3-year record for this lake.
Since yesterday
-0.03 ft
7-day change
-0.09 ft
30-day change
+0.05 ft
1-year change
— ft
Last 30 days
Last 12 months
Greenwood Lake records and averages
| Current level | 10.12 ft |
|---|---|
| Record high | 10.5 ft (2026-07-07) |
| Record low | 9.94 ft (2026-06-21) |
| Average of all readings | 10.12 ft |
| Data span | 0.3 years (121 readings) |
Frequently asked questions
Is Greenwood Lake full right now?
As of 2026-08-15, Greenwood Lake sits at 10.12 ft, which is current reading available.Over the past 30 days the level has risen 0.05 ft.
What is the water level at Greenwood Lake today?
The most recent reading is 10.12 ft (2026-08-15), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Greenwood Lake has ever been?
The highest level in our records is 10.5 ft on 2026-07-07. The lowest is 9.94 ft on 2026-06-21. Our record covers about 0.3 years of readings.
Why is Greenwood Lake changing right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Greenwood Lake has risen 0.05 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Greenwood Lake changed over the past year?
Year-over-year comparison is not available for this lake yet. The full-history chart above covers 0.3 years, with a record high of 10.5 ft and a record low of 9.94 ft.
Nearby lakes in New Jersey
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All New Jersey lake levels.