LakeLevelIs Lake Koshkonong low right now?
Lake Koshkonong was at 776.79 ft on October 10, 2026. That is 0.49 ft above the typical level for October 10 — higher than in 9 of 10 past years. Over the past week the lake has been steady.
Lake Koshkonong on Oct 10 in past years
2025776.4+0.4
2024776.3+0.5
2022776.2+0.6
2021776.3+0.5
2020776.3+0.5
2019780.2−3.4
Daily levels, last two weeks
| Date | Level (ft) | Change |
|---|---|---|
| Oct 10 | 776.80 | −0.03 |
| Oct 9 | 776.83 | −0.03 |
| Oct 8 | 776.86 | −0.04 |
| Oct 7 | 776.90 | +0.06 |
| Oct 6 | 776.84 | −0.02 |
| Oct 5 | 776.86 | ±0.00 |
| Oct 4 | 776.86 | +0.05 |
| Oct 3 | 776.81 | +0.02 |
| Oct 2 | 776.79 | +0.06 |
| Oct 1 | 776.73 | +0.11 |
| Sep 30 | 776.62 | −0.03 |
| Sep 29 | 776.65 | −0.09 |
| Sep 28 | 776.74 | −0.05 |
| Sep 27 | 776.79 | +0.03 |
About Lake Koshkonong
- 10-year range
- 775.3 ft (February 25, 2021) to 781.2 ft (April 24, 2026)
- Data
- U.S. Geological Survey — USGS 05427235
- Datum
- NAVD88
Lakes near Lake Koshkonong
- North LakeWisconsin · 18 mi 907.5 ft −0.1 wkLatest reading
- Lake KegonsaWisconsin · 18 mi 843.2 ft −0.1 wkNormal for this time of year
- Lake WaubesaWisconsin · 21 mi 844.4 ft −0.3 wkLower than usual for this time of year
- Upper Door Crk PondWisconsin · 23 mi 886.2 ft −0.0 wkLatest reading
- Acewood PondWisconsin · 24 mi 883.0 ft −0.3 wkLatest reading
- PondWisconsin · 27 mi 942.3 ft −0.1 wkLatest reading
Questions
Is Lake Koshkonong low right now?
Lake Koshkonong was at 776.79 ft on October 10, 2026. That is 0.49 ft above the typical level for October 10 — higher than in 9 of 10 past years. Over the past week the lake has been steady.
How often is the Lake Koshkonong level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Geological Survey (USGS 05427235). Readings are provisional and can be revised.