C
Orwell Lake
Otter Tail County, Minnesota
Water Quality Grade: C — Fair
Murky — only visible to about 4.1 feet. Phosphorus level: 54 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.25 m | D |
| Phosphorus | 54 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #98 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: 2022-06-28
Monitoring stations: 1