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LakeQuality

Outlet To Lake Geneva vs Powers Lake

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

Powers Lake has a higher water quality grade (A, Excellent) than Outlet To Lake Geneva (F, Very Poor). Both are in Wisconsin.

Outlet To Lake Geneva and Powers 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 meaningfully apart: Powers Lake grades a A while Outlet To Lake Geneva grades a F. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.

For a recreational visitor, the wider grade gap is decisive — Powers Lake is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?

F

Outlet To Lake Geneva

Walworth County, Wisconsin

No clarity data.

A

Powers Lake

Kenosha County, Wisconsin

Good clarity, visible to about 10 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.

MetricOutlet To Lake GenevaPowers Lake
Overall GradeF (Very Poor)A (Excellent)
Water ClarityNo data10 ft
Phosphorus734.5 µg/L17 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth135 ft33 ft
Surface Area5.4K acres451 acres
Public AccessUnknownUnknown
Fish Species65
Trophic Statehypereutrophicmesotrophic

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

Verdict

Powers Lake wins on overall water quality with a Grade A versus Outlet To Lake Geneva's Grade F. For more fish-species variety, Outlet To Lake Geneva edges ahead with 6 documented species.