C
North Lake 1
Goodhue County, Minnesota
Water Quality Grade: C — Fair
Crystal clear — you can see 100.1 feet down. Phosphorus level: 99 µg/L. Chlorophyll-a: 17.4 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 30.5 m | A |
| Phosphorus | 99 µg/L | F |
| Chlorophyll-a (Algae) | 17.4 µg/L | C |
County Ranking
Ranked #4 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: 2025-10-02
Monitoring stations: 1