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LakeQuality

Lake Chetac North Basin vs Sissabagama Lake

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

Sissabagama Lake has a higher water quality grade (B, Good) than Lake Chetac North Basin (C, Fair). Both are in Sawyer County, Wisconsin.

Lake Chetac North Basin and Sissabagama 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 close: Lake Chetac North Basin (C) and Sissabagama Lake (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.

C

Lake Chetac North Basin

Sawyer County, Wisconsin

No clarity data.

B

Sissabagama Lake

Sawyer County, Wisconsin

Moderate clarity, visible to about 8.2 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.

MetricLake Chetac North BasinSissabagama Lake
Overall GradeC (Fair)B (Good)
Water ClarityNo data8.2 ft
Phosphorus56.7 µg/L18.7 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth26 ft48 ft
Surface Area2.4K acres805 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophicmesotrophic

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

Verdict

Sissabagama Lake wins on overall water quality with a Grade B versus Lake Chetac North Basin's Grade C. For fishing diversity, Sissabagama Lake also leads with 0 species.