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LakeQuality

Okauchee Lake-Site No. 2-at Okauchee vs Okauchee Lake Site

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

Okauchee Lake-Site No. 2-at Okauchee and Okauchee Lake Site both received the same overall water quality grade of B (Good). Both are in Waukesha County, Wisconsin.

Okauchee Lake-Site No. 2-at Okauchee and Okauchee Lake Site 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. 2-at Okauchee (B) and Okauchee Lake Site (B) 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. 2-at Okauchee

Waukesha County, Wisconsin

Murky, only visible to about 5.9 ft.

B

Okauchee Lake Site

Waukesha County, Wisconsin

Murky, only visible to about 5.9 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. 2-at OkaucheeOkauchee Lake Site
Overall GradeB (Good)B (Good)
Water Clarity5.9 ft5.9 ft
Phosphorus18 µg/L19 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

Both lakes earn the same Grade B. The tiebreakers come down to clarity (Okauchee Lake-Site No. 2-at Okauchee: 5.9 ft, Okauchee Lake Site: 5.9 ft) and what you want from the lake. Okauchee Lake-Site No. 2-at Okauchee matches its peer on species count.