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LakeQuality

Green Lake vs Lake Puckaway

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

Green Lake has a higher water quality grade (B, Good) than Lake Puckaway (C, Fair). Both are in Green Lake County, Wisconsin.

Both Green Lake and Lake Puckaway 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: Green Lake (B) and Lake Puckaway (C) 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

Green Lake

Green Lake County, Wisconsin

Good clarity, visible to about 14.1 ft.

C

Lake Puckaway

Green Lake County, Wisconsin

Murky, only visible to about 4.4 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.

MetricGreen LakeLake Puckaway
Overall GradeB (Good)C (Fair)
Water Clarity14.1 ft4.4 ft
Phosphorus32 µg/L52.1 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth236 ft5 ft
Surface Area7.9K acres5.0K acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophiceutrophic

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

Verdict

Green Lake wins on overall water quality with a Grade B versus Lake Puckaway's Grade C. Water clarity: 14.1 ft vs 4.4 ft. For fishing diversity, Green Lake also leads with 0 species.