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LakeQuality

School Section Lake vs Spring Lake

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

Spring Lake has a higher water quality grade (A, Excellent) than School Section Lake (C, Fair). Both are in Waukesha County, Wisconsin.

Both School Section Lake and Spring 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 meaningfully apart: Spring Lake grades a A while School Section Lake grades a C. 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 — Spring 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?

C

School Section Lake

Waukesha County, Wisconsin

Murky, only visible to about 6.2 ft.

A

Spring Lake

Waukesha County, Wisconsin

No clarity data.

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.

MetricSchool Section LakeSpring Lake
Overall GradeC (Fair)A (Excellent)
Water Clarity6.2 ftNo data
Phosphorus26.2 µg/L12.2 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area117 acres60 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophicmesotrophic

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

Verdict

Spring Lake wins on overall water quality with a Grade A versus School Section Lake's Grade C. For fishing diversity, Spring Lake also leads with 0 species.