B
Big Traverse Bay Lake
Lake of the Woods County, Minnesota
Water Quality Grade: B — Good
Good clarity — visible to about 13.1 feet. Phosphorus level: 33.5 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4 m | B |
| Phosphorus | 33.5 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #9 of 13 lakes in Lake of the Woods County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-08-28
Monitoring stations: 1