A
Stony Lake
Cass County, Minnesota
Water Quality Grade: A — Excellent
Crystal clear — you can see 23.3 feet down. Phosphorus level: 7 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.09 m | A |
| Phosphorus | 7 µg/L | A |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #29 of 154 lakes in Cass County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-23
Monitoring stations: 1