B
Brown Lake
St. Louis County, Minnesota
Water Quality Grade: B — Good
Moderate clarity — visible to about 8.5 feet. Phosphorus level: 17.1 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.6 m | C |
| Phosphorus | 17.1 µg/L | A |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #61 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: 2024-08-27
Monitoring stations: 1