Grindstone Lake vs Lac Courte Oreilles Lake
Water quality, depth, fish species, and recreation comparison.
Grindstone Lake and Lac Courte Oreilles Lake both received the same overall water quality grade of A (Excellent). Both are in Sawyer County, Wisconsin.
A
Grindstone Lake
Sawyer County, Wisconsin
Crystal clear, you can see 57.7 ft down.
A
Lac Courte Oreilles Lake
Sawyer County, Wisconsin
Crystal clear, you can see 38.7 ft down.
Side-by-Side Metrics
| Metric | Grindstone Lake | Lac Courte Oreilles Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 57.7 ft | 38.7 ft |
| Phosphorus | 14.4 µg/L | 16 µg/L |
| Chlorophyll-a (Algae) | 1.7 µg/L | 1.4 µg/L |
| Maximum Depth | 60 ft | 90 ft |
| Surface Area | 3.2K acres | 5.1K acres |
| Public Access | Yes | Yes |
| Fish Species | 6 | 6 |
| Trophic State | oligotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade A. The tiebreakers come down to clarity (Grindstone Lake: 57.7 ft, Lac Courte Oreilles Lake: 38.7 ft) and what you want from the lake. Grindstone Lake matches its peer on species count.