C
Birch Lake
Lake County, Minnesota
Water Quality Grade: C — Fair
Murky — only visible to about 3.9 feet. Phosphorus level: 21 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.2 m | D |
| Phosphorus | 21 µg/L | B |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #104 of 171 lakes in Lake County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-16
Monitoring stations: 8