A
Oneida Lake
Oneida County, Wisconsin
Water Quality Grade: A — Excellent
No clarity data. Phosphorus level: 13 µg/L. Chlorophyll-a: 1.6 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 13 µg/L | A |
| Chlorophyll-a (Algae) | 1.6 µg/L | A |
County Ranking
Ranked #1 of 1 lakes in Oneida County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-09-16
Monitoring stations: 1