A
Lake Superior Ngl20_wi
Ashland County, Wisconsin
Water Quality Grade: A — Excellent
Crystal clear — you can see 91.5 feet down. Phosphorus level: 4.7 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 27.9 m | A |
| Phosphorus | 4.7 µg/L | A |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #2 of 21 lakes in Ashland County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-08-17
Monitoring stations: 1