B
Potato Lake -
Walworth County, Wisconsin
Water Quality Grade: B — Good
Crystal clear — you can see 32.4 feet down. Phosphorus level: 33.2 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.88 m | A |
| Phosphorus | 33.2 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #61 of 69 lakes in Walworth County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-08-29
Monitoring stations: 1