
Lake levels
West Okoboji Lake, IA
- gauge height
- 4.17 ft
- Condition
- High for this time of year
- 7-day change
- -0.06 ft
- 30-day change
- +0.03 ft
- 1-year change
- +0.20 ft
Reading as of 2026-10-12 | the U.S. Geological Survey
- Since yesterday
- +0.00 ft
- 7-day change
- -0.06 ft
- 30-day change
- +0.03 ft
- 1-year change
- +0.20 ft
- Record high
- 8.66 ft
In brief
West Okoboji Lake's gauge read 4.17 feet on Oct 12, 2026. That is higher than 81% of October readings since 1933.
Source: U.S. Geological Survey
Gauge height above a local reference point; not elevation above sea level.
Lake level timeline
Records and averages
| Current level | 4.17 ft |
|---|---|
| Record high | 8.66 ft (1993-07-17) |
| Record low | 0.20 ft (1959-09-20) |
| Average of all readings | 3.78 ft |
| Data span | 93 years (32,197 readings) |
Level schematic
Frequently asked questions
Is West Okoboji Lake full right now?
As of 2026-10-12, West Okoboji Lake sits at 4.17 ft, which is high for this time of year. Over the past 30 days the level has risen 0.03 ft.
What is the water level at West Okoboji Lake today?
The most recent reading at West Okoboji Lake is 4.17 ft (2026-10-12), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest West Okoboji Lake has ever been?
The highest level for West Okoboji Lake in our records is 8.66 ft on 1993-07-17. The lowest is 0.20 ft on 1959-09-20. Our record covers about 93 years of readings.
Is West Okoboji Lake low for this time of year?
Compared with every October in our records, the current level is higher than 81% of them, which we classify as high 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 West Okoboji 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. West Okoboji Lake has risen 0.03 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has West Okoboji Lake changed over the past year?
West Okoboji Lake is +0.20 ft compared with this date last year (4.17 ft today). The full-history chart above covers 93 years, with a record high of 8.66 ft and a record low of 0.20 ft.
Download and cite
Quote this reading
West Okoboji Lake's gauge read 4.17 feet on Oct 12, 2026. That is higher than 81% of October readings since 1933.
Download the full record
west-okoboji-lake-ia-water-level-history.csv
How to cite
MyWaterLevel, “West Okoboji Lake water level, 1933 to 2026,” data from U.S. Geological Survey, https://mywaterlevel.com/lake/ia/west-okoboji-lake/, accessed Oct 13, 2026.
Source: the U.S. Geological Survey. All Iowa lake levels. Readings are provisional and may be revised. About our data and methods.