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LakeQuality

Lake Chetac North Basin vs Round Lake

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

Round Lake has a higher water quality grade (A, Excellent) than Lake Chetac North Basin (C, Fair). Both are in Sawyer County, Wisconsin.

Lake Chetac North Basin and Round 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. Round Lake (A) is materially cleaner than Lake Chetac North Basin (C). A gap that wide is unlikely to close in a single year of remediation work; it reflects multi-decade differences in the lakes themselves.

For a recreational visitor, the wider grade gap is decisive — Round 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

Lake Chetac North Basin

Sawyer County, Wisconsin

No clarity data.

A

Round Lake

Sawyer County, Wisconsin

Crystal clear, you can see 21.1 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.

MetricLake Chetac North BasinRound Lake
Overall GradeC (Fair)A (Excellent)
Water ClarityNo data21.1 ft
Phosphorus56.7 µg/L14.4 µg/L
Chlorophyll-a (Algae)No data1 µg/L
Maximum Depth26 ft74 ft
Surface Area2.4K acres3.3K acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophicoligotrophic

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

Verdict

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