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LakeQuality

Middle Eau Claire Lake vs Upper Eau Claire Lake

Water quality, depth, fish species, and recreation comparison.

Middle 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

Middle Eau Claire Lake

Bayfield County, Wisconsin

Crystal clear, you can see 60.7 ft down.

A

Upper Eau Claire Lake

Bayfield County, Wisconsin

Crystal clear, you can see 61.5 ft down.

Side-by-Side Metrics

MetricMiddle Eau Claire LakeUpper Eau Claire Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity60.7 ft61.5 ft
Phosphorus12.8 µg/L11.5 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth66 ft92 ft
Surface Area880 acres1.0K acres
Public AccessYesYes
Fish Species66
Trophic Stateoligotrophicoligotrophic

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 (Middle Eau Claire Lake: 60.7 ft, Upper Eau Claire Lake: 61.5 ft) and what you want from the lake. Middle Eau Claire Lake matches its peer on species count.