B
L Thunder Lake
Cass County, MinnesotaLimited Data
Water Quality Grade: B — Good
Good clarity — visible to about 14.0 feet.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.27 m | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #115 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: 2024-09-02
Monitoring stations: 1