Lake Marion Water Level
Florida · updated daily from the U.S. Geological Survey
65.66 ft
Lake Marion is low for this time of year and steady (-0.02 ft in the last 7 days).
Change since yesterday: +0.00 ft
Reading as of 2026-08-14 · higher than 3% of August readings on record
Where Lake Marion sits historically
Today's level compared with every reading in our 5.0-year record for this lake.
Since yesterday
+0.00 ft
7-day change
-0.02 ft
30-day change
+0.11 ft
1-year change
-0.38 ft
Last 30 days
Last 12 months
Full history (5.0 years)
Lake Marion records and averages
| Current level | 65.66 ft |
|---|---|
| Record high | 67.98 ft (2022-09-30) |
| Record low | 65.11 ft (2024-06-09) |
| Average of all readings | 65.91 ft |
| Data span | 5.0 years (1,823 readings) |
Frequently asked questions
Is Lake Marion full right now?
As of 2026-08-14, Lake Marion sits at 65.66 ft, which is low for this time of year.Over the past 30 days the level has risen 0.11 ft.
What is the water level at Lake Marion today?
The most recent reading is 65.66 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 Lake Marion has ever been?
The highest level in our records is 67.98 ft on 2022-09-30. The lowest is 65.11 ft on 2024-06-09. Our record covers about 5.0 years of readings.
Is Lake Marion low for this time of year?
Compared with every August in our records, the current level is higher than 3% of them — low 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 Lake Marion 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. Lake Marion has risen 0.11 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Lake Marion changed over the past year?
The level is -0.38 ft compared with this date last year (65.66 ft today). The full-history chart above covers 5.0 years, with a record high of 67.98 ft and a record low of 65.11 ft.
Nearby lakes in Florida
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Florida lake levels.