C
Perch Lake
Lincoln County, Minnesota
Water Quality Grade: C — Fair
Moderate clarity — visible to about 9.3 feet. Phosphorus level: 56 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.82 m | C |
| Phosphorus | 56 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #1 of 5 lakes in Lincoln County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-09-15
Monitoring stations: 1