Lower Eau Claire Lake vs Upper Eau Claire Lake
Water quality, depth, fish species, and recreation comparison.
Lower Eau Claire Lake and Upper Eau Claire Lake both received the same overall water quality grade of A (Excellent). Both are in Bayfield County, Wisconsin.
A
Lower Eau Claire Lake
Bayfield County, Wisconsin
Crystal clear, you can see 47.6 ft down.
A
Upper Eau Claire Lake
Bayfield County, Wisconsin
Crystal clear, you can see 61.5 ft down.
Side-by-Side Metrics
| Metric | Lower Eau Claire Lake | Upper Eau Claire Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 47.6 ft | 61.5 ft |
| Phosphorus | 13 µg/L | 11.5 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 41 ft | 92 ft |
| Surface Area | 784 acres | 1.0K acres |
| Public Access | Unknown | 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 (Lower Eau Claire Lake: 47.6 ft, Upper Eau Claire Lake: 61.5 ft) and what you want from the lake. Lower Eau Claire Lake matches its peer on species count.