C
Nichols Lake
St. Louis County, Minnesota
Water Quality Grade: C — Fair
Murky — only visible to about 5.1 feet. Phosphorus level: 20.5 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.55 m | D |
| Phosphorus | 20.5 µg/L | B |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #121 of 198 lakes in St. Louis County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-09-15
Monitoring stations: 1