D
Sleepy Eye Lake
Brown County, Minnesota
Water Quality Grade: D — Poor
Very murky — less than 3.3 feet of visibility. Phosphorus level: 39.5 µg/L. Chlorophyll-a: 41.7 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 m | F |
| Phosphorus | 39.5 µg/L | C |
| Chlorophyll-a (Algae) | 41.7 µg/L | F |
County Ranking
Ranked #3 of 8 lakes in Brown 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