Lake Koshkonong level history
In the 366 days we have on record (Nov 4, 2025 to Nov 4, 2026), the highest level was 781.15 ft on Apr 24, 2026 and the lowest was 775.63 ft on Nov 11, 2025.
Lake Koshkonong Water Level Today
Current elevation 776.07 ft
▲ 0.12 ft in 24 h▲ 0.14 ft in 7 days
As of Nov 4, 2026, 6:00 AM CST, Lake Koshkonong is at 776.07 ft. The level has risen 0.14 ft over the last 7 days.
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Lake Koshkonong level history
Level
| Date | Elevation | Daily change | Storage |
|---|---|---|---|
| Nov 4, 2026 | 776.07 ft | +0.12 ft | — |
| Nov 3, 2026 | 775.95 ft | +0.01 ft | — |
| Nov 2, 2026 | 775.94 ft | −0.03 ft | — |
| Nov 1, 2026 | 775.97 ft | 0.00 ft | — |
| Oct 31, 2026 | 775.97 ft | 0.00 ft | — |
| Oct 30, 2026 | 775.97 ft | 0.00 ft | — |
| Oct 29, 2026 | 775.97 ft | +0.04 ft | — |
| Oct 28, 2026 | 775.93 ft | −0.05 ft | — |
| Oct 27, 2026 | 775.98 ft | −0.07 ft | — |
| Oct 26, 2026 | 776.05 ft | −0.07 ft | — |
| Oct 25, 2026 | 776.12 ft | −0.04 ft | — |
| Oct 24, 2026 | 776.16 ft | −0.04 ft | — |
| Oct 23, 2026 | 776.20 ft | −0.01 ft | — |
| Oct 22, 2026 | 776.21 ft | +0.02 ft | — |
Conditions at the gauge
Rain 0.00 in Nov 4, 2026, 6:00 AM CST
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Lakes near Lake Koshkonong
North Lake 18 mi · 907.47 ft Lake Kegonsa 18 mi · 843.34 ft Lake Monona 27 mi · 844.81 ft Lake Mendota 27 mi · 849.79 ft Geneva Lake 32 mi · 864.40 ft Lake Winnebago 82 mi · 746.81 ft
All Wisconsin lake levels FAQ
What is the Lake Koshkonong water level today?
776.07 ft as of Nov 4, 2026, 6:00 AM CST, reported by the U.S. Geological Survey.
How often is this page updated?
Every 3 hours. The gauge reports several times a day.
What is the highest and lowest level of Lake Koshkonong?
In the period we have (since Nov 4, 2025): 781.15 ft and 775.63 ft.
Data: U.S. Geological Survey, gauge 05427235 (official page). Provisional data, subject to revision. For information only. Not for navigation or flood safety decisions. Check the official source. LakeLevelHQ is not affiliated with any government agency.