A
Sofie Lake
Carlton County, Minnesota
Water Quality Grade: A — Excellent
Crystal clear — you can see 15.4 feet down. Phosphorus level: 20.5 µg/L. Chlorophyll-a: 4.7 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.7 m | A |
| Phosphorus | 20.5 µg/L | B |
| Chlorophyll-a (Algae) | 4.7 µg/L | A |
County Ranking
Ranked #5 of 41 lakes in Carlton County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-01
Monitoring stations: 1