A
Deer Lake - Deer Lake
Pierce County, Wisconsin
Water Quality Grade: A — Excellent
Crystal clear — you can see 49.2 feet down. Phosphorus level: 22.5 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 15 m | A |
| Phosphorus | 22.5 µg/L | B |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #51 of 113 lakes in Pierce County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-07-20
Monitoring stations: 1