D
Dutchman Lake Deep
Cook County, Minnesota
Water Quality Grade: D — Poor
Very murky — less than 2.3 feet of visibility. Phosphorus level: 31 µg/L. Chlorophyll-a: 14.7 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.69 m | F |
| Phosphorus | 31 µg/L | C |
| Chlorophyll-a (Algae) | 14.7 µg/L | C |
County Ranking
Ranked #113 of 144 lakes in Cook County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-10-11
Monitoring stations: 1