A
Third Lake
Carlton County, Minnesota
Water Quality Grade: A — Excellent
Good clarity — visible to about 10.2 feet. Phosphorus level: 11 µg/L. Chlorophyll-a: 2.7 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.1 m | B |
| Phosphorus | 11 µg/L | A |
| Chlorophyll-a (Algae) | 2.7 µg/L | A |
County Ranking
Ranked #4 of 41 lakes in Carlton County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-15
Monitoring stations: 1