D
Clear Lake 1
Goodhue County, Minnesota
Water Quality Grade: D — Poor
Crystal clear — you can see 45.1 feet down. Phosphorus level: 174 µg/L. Chlorophyll-a: 44.6 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13.75 m | A |
| Phosphorus | 174 µg/L | F |
| Chlorophyll-a (Algae) | 44.6 µg/L | F |
County Ranking
Ranked #9 of 12 lakes in Goodhue County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-10-01
Monitoring stations: 1