C
Birch Lake
Sherburne County, Minnesota
Water Quality Grade: C — Fair
Murky — only visible to about 5.8 feet. Phosphorus level: 21 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.76 m | D |
| Phosphorus | 21 µg/L | B |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #15 of 26 lakes in Sherburne County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2020-09-18
Monitoring stations: 1