C
Thirty-Six Lake
St. Louis County, Minnesota
Water Quality Grade: C — Fair
Very murky — less than 3.0 feet of visibility. Phosphorus level: 22 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.9 m | F |
| Phosphorus | 22 µg/L | B |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #152 of 198 lakes in St. Louis County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-09-15
Monitoring stations: 1