B
Long Lake
Otter Tail County, Minnesota
Water Quality Grade: B — Good
Good clarity — visible to about 12.8 feet. Phosphorus level: 20 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 m | B |
| Phosphorus | 20 µg/L | B |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #56 of 109 lakes in Otter Tail County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-15
Monitoring stations: 1