C
Big Blake Lake - Deep Hole/Main
Pierce County, Wisconsin
Water Quality Grade: C — Fair
Moderate clarity — visible to about 8.2 feet. Phosphorus level: 59.5 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 m | C |
| Phosphorus | 59.5 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #97 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: 2025-09-08
Monitoring stations: 1