F
Beaulieu Lake
Mahnomen County, Minnesota
Water Quality Grade: F — Very Poor
Very murky — less than 1.3 feet of visibility. Phosphorus level: 90 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.4 m | F |
| Phosphorus | 90 µg/L | F |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #17 of 17 lakes in Mahnomen County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-08-08
Monitoring stations: 1