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LakeQuality

Okauchee Lake-Site No. 3-at Okauchee vs Okauchee Lake

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

Okauchee Lake-Site No. 3-at Okauchee has a higher water quality grade (A, Excellent) than Okauchee Lake (A, Excellent). Both are in Waukesha County, Wisconsin.

Okauchee Lake-Site No. 3-at Okauchee and Okauchee Lake are both in Wisconsin — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The grades are close: Okauchee Lake-Site No. 3-at Okauchee (A) and Okauchee Lake (A) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.

With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

A

Okauchee Lake-Site No. 3-at Okauchee

Waukesha County, Wisconsin

No clarity data.

A

Okauchee Lake

Waukesha County, Wisconsin

Good clarity, visible to about 11.3 ft.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricOkauchee Lake-Site No. 3-at OkaucheeOkauchee Lake
Overall GradeA (Excellent)A (Excellent)
Water ClarityNo data11.3 ft
Phosphorus17 µg/L18 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth90 ft90 ft
Surface Area1.2K acres1.2K acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophicmesotrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

Okauchee Lake-Site No. 3-at Okauchee wins on overall water quality with a Grade A versus Okauchee Lake's Grade A. For fishing diversity, Okauchee Lake-Site No. 3-at Okauchee also leads with 0 species.