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LakeQuality

North Lake vs Pine Lake

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

Pine Lake has a higher water quality grade (A, Excellent) than North Lake (B, Good). Both are in Waukesha County, Wisconsin.

Both North Lake and Pine 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. These two are within a letter of each other on the rubric — North Lake (B) versus Pine Lake (A). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.

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

North Lake

Waukesha County, Wisconsin

Moderate clarity, visible to about 8 ft.

A

Pine Lake

Waukesha County, Wisconsin

Crystal clear, you can see 25 ft down.

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.

MetricNorth LakePine Lake
Overall GradeB (Good)A (Excellent)
Water Clarity8 ft25 ft
Phosphorus17.9 µg/L11.9 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth78.4 ft85 ft
Surface Area440 acres711 acres
Public AccessUnknownUnknown
Fish Species55
Trophic Statemesotrophicoligotrophic

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

Verdict

Pine Lake wins on overall water quality with a Grade A versus North Lake's Grade B. Water clarity: 25 ft vs 8 ft. For fishing diversity, Pine Lake also leads with 5 species.