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LakeQuality

Lac la Belle Lake vs Oconomowoc Lake

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

Lac la Belle Lake and Oconomowoc Lake both received the same overall water quality grade of A (Excellent). Both are in Waukesha County, Wisconsin.

A

Lac la Belle Lake

Waukesha County, Wisconsin

Crystal clear, you can see 16.4 ft down.

A

Oconomowoc Lake

Waukesha County, Wisconsin

Crystal clear, you can see 42.7 ft down.

Side-by-Side Metrics

MetricLac la Belle LakeOconomowoc Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity16.4 ft42.7 ft
Phosphorus14.7 µg/L11.7 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth45 ft60 ft
Surface Area1.2K acres818 acres
Public AccessYesUnknown
Fish Species55
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 (Lac la Belle Lake: 16.4 ft, Oconomowoc Lake: 42.7 ft) and what you want from the lake. Lac la Belle Lake matches its peer on species count.