B
Hoffman Lake
Isanti County, Minnesota
Water Quality Grade: B — Good
Murky — only visible to about 4.1 feet. Phosphorus level: 15 µg/L. Chlorophyll-a: 2.7 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.24 m | D |
| Phosphorus | 15 µg/L | A |
| Chlorophyll-a (Algae) | 2.7 µg/L | A |
County Ranking
Ranked #5 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: 2024-09-18
Monitoring stations: 1