Great Sacandaga Lake Water Level
New York · updated daily from the U.S. Geological Survey
763.13 ft
Great Sacandaga Lake is below average for this time of year and falling (-0.71 ft in the last 7 days).
Change since yesterday: -0.11 ft
Reading as of 2026-08-14 · higher than 31% of August readings on record
Where Great Sacandaga Lake sits historically
Today's level compared with every reading in our 5.0-year record for this lake.
Since yesterday
-0.11 ft
7-day change
-0.71 ft
30-day change
-1.74 ft
1-year change
+0.97 ft
Last 30 days
Last 12 months
Full history (5.0 years)
Great Sacandaga Lake records and averages
| Current level | 763.13 ft |
|---|---|
| Record high | 771.7 ft (2024-04-15) |
| Record low | 749.65 ft (2026-03-05) |
| Average of all readings | 761.67 ft |
| Data span | 5.0 years (1,823 readings) |
Frequently asked questions
Is Great Sacandaga Lake full right now?
As of 2026-08-14, Great Sacandaga Lake sits at 763.13 ft, which is below average for this time of year.Over the past 30 days the level has fallen 1.74 ft.
What is the water level at Great Sacandaga Lake today?
The most recent reading is 763.13 ft (2026-08-14), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Great Sacandaga Lake has ever been?
The highest level in our records is 771.7 ft on 2024-04-15. The lowest is 749.65 ft on 2026-03-05. Our record covers about 5.0 years of readings.
Is Great Sacandaga Lake low for this time of year?
Compared with every August in our records, the current level is higher than 31% of them — below average for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Great Sacandaga Lake low 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. Great Sacandaga Lake has fallen 1.74 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Great Sacandaga Lake changed over the past year?
The level is +0.97 ft compared with this date last year (763.13 ft today). The full-history chart above covers 5.0 years, with a record high of 771.7 ft and a record low of 749.65 ft.
Nearby lakes in New York
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All New York lake levels.