Lake St Helen Water Level
Michigan · updated daily from the U.S. Geological Survey
6.28 ft
Lake St Helen is below average for this time of year and steady (-0.05 ft in the last 7 days).
Change since yesterday: -0.02 ft
Reading as of 2026-08-14 · higher than 38% of August readings on record
Where Lake St Helen sits historically
Today's level compared with every reading in our 5.0-year record for this lake.
Since yesterday
-0.02 ft
7-day change
-0.05 ft
30-day change
+0.05 ft
1-year change
+0.20 ft
Last 30 days
Last 12 months
Full history (5.0 years)
Lake St Helen records and averages
| Current level | 6.28 ft |
|---|---|
| Record high | 8.02 ft (2026-04-18) |
| Record low | 5.77 ft (2022-01-25) |
| Average of all readings | 6.29 ft |
| Data span | 5.0 years (1,356 readings) |
Frequently asked questions
Is Lake St Helen full right now?
As of 2026-08-14, Lake St Helen sits at 6.28 ft, which is below average for this time of year.Over the past 30 days the level has risen 0.05 ft.
What is the water level at Lake St Helen today?
The most recent reading is 6.28 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 St Helen has ever been?
The highest level in our records is 8.02 ft on 2026-04-18. The lowest is 5.77 ft on 2022-01-25. Our record covers about 5.0 years of readings.
Is Lake St Helen low for this time of year?
Compared with every August in our records, the current level is higher than 38% 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 Lake St Helen 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 St Helen 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 Lake St Helen changed over the past year?
The level is +0.20 ft compared with this date last year (6.28 ft today). The full-history chart above covers 5.0 years, with a record high of 8.02 ft and a record low of 5.77 ft.
Nearby lakes in Michigan
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Michigan lake levels.