A
Mary Lake - Mary Lake
Langlade County, WisconsinLimited Data
Water Quality Grade: A — Excellent
Crystal clear — you can see 20.5 feet down.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.25 m | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #25 of 38 lakes in Langlade County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-06-17
Monitoring stations: 1