Sebago Lake Water Level
Maine · updated daily from the U.S. Geological Survey
264.51 ft
Sebago Lake is about average for this time of year and falling (-0.18 ft in the last 7 days).
Change since yesterday: -0.01 ft
Reading as of 2026-08-14 · higher than 40% of August readings on record
Where Sebago Lake sits historically
Today's level compared with every reading in our 5.0-year record for this lake.
Since yesterday
-0.01 ft
7-day change
-0.18 ft
30-day change
-1.06 ft
1-year change
+0.05 ft
Last 30 days
Last 12 months
Full history (5.0 years)
Sebago Lake records and averages
| Current level | 264.51 ft |
|---|---|
| Record high | 266.48 ft (2022-04-28) |
| Record low | 262.01 ft (2022-01-28) |
| Average of all readings | 264.26 ft |
| Data span | 5.0 years (1,825 readings) |
Frequently asked questions
Is Sebago Lake full right now?
As of 2026-08-14, Sebago Lake sits at 264.51 ft, which is about average for this time of year.Over the past 30 days the level has fallen 1.06 ft.
What is the water level at Sebago Lake today?
The most recent reading is 264.51 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 Sebago Lake has ever been?
The highest level in our records is 266.48 ft on 2022-04-28. The lowest is 262.01 ft on 2022-01-28. Our record covers about 5.0 years of readings.
Is Sebago Lake low for this time of year?
Compared with every August in our records, the current level is higher than 40% of them — about 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 Sebago 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. Sebago Lake has fallen 1.06 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Sebago Lake changed over the past year?
The level is +0.05 ft compared with this date last year (264.51 ft today). The full-history chart above covers 5.0 years, with a record high of 266.48 ft and a record low of 262.01 ft.
Nearby lakes in Maine
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Maine lake levels.