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LakeQuality

Okauchee Lake-Site No. 1-Near Okauchee vs Okauchee Lake

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

Okauchee Lake has a higher water quality grade (A, Excellent) than Okauchee Lake-Site No. 1-Near Okauchee (B, Good). Both are in Waukesha County, Wisconsin.

Both Okauchee Lake-Site No. 1-Near Okauchee and Okauchee Lake sit in Wisconsin. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are close: Okauchee Lake-Site No. 1-Near Okauchee (B) 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.

B

Okauchee Lake-Site No. 1-Near 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. 1-Near OkaucheeOkauchee Lake
Overall GradeB (Good)A (Excellent)
Water ClarityNo data11.3 ft
Phosphorus27.5 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 Stateeutrophicmesotrophic

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

Verdict

Okauchee Lake wins on overall water quality with a Grade A versus Okauchee Lake-Site No. 1-Near Okauchee's Grade B. For fishing diversity, Okauchee Lake also leads with 0 species.