A
Holland Lake
Dakota County, Minnesota
Water Quality Grade: A — Excellent
Crystal clear — you can see 27.9 feet down. Phosphorus level: 20 µg/L. Chlorophyll-a: 3.3 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.5 m | A |
| Phosphorus | 20 µg/L | B |
| Chlorophyll-a (Algae) | 3.3 µg/L | A |
County Ranking
Ranked #1 of 43 lakes in Dakota County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-27
Monitoring stations: 1