C
Black Lake
Ramsey County, Minnesota
Water Quality Grade: C — Fair
Moderate clarity — visible to about 6.9 feet. Phosphorus level: 36 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 m | C |
| Phosphorus | 36 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #19 of 51 lakes in Ramsey County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-07-11
Monitoring stations: 1