A
Spider Lake - Fawn Lake -
Sawyer County, Wisconsin
Water Quality Grade: A — Excellent
Crystal clear — you can see 32.0 feet down. Phosphorus level: 19.6 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.75 m | A |
| Phosphorus | 19.6 µg/L | A |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #35 of 98 lakes in Sawyer County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-08-30
Monitoring stations: 1