F
Rush Lake
Chisago County, Minnesota
Water Quality Grade: F — Very Poor
Very murky — less than 3.0 feet of visibility. Phosphorus level: 61.5 µg/L. Chlorophyll-a: 30 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.9 m | F |
| Phosphorus | 61.5 µg/L | D |
| Chlorophyll-a (Algae) | 30 µg/L | F |
County Ranking
Ranked #35 of 38 lakes in Chisago County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-27
Monitoring stations: 2