C
Fannie Lake
Isanti County, Minnesota
Water Quality Grade: C — Fair
Moderate clarity — visible to about 7.0 feet. Phosphorus level: 37 µg/L. Chlorophyll-a: 8.7 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.13 m | C |
| Phosphorus | 37 µg/L | C |
| Chlorophyll-a (Algae) | 8.7 µg/L | B |
County Ranking
Ranked #7 of 21 lakes in Isanti County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-11
Monitoring stations: 2