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LakeQuality

Chippewa Flowage -Moore'S Bay Lake vs Round Lake

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

Round Lake has a higher water quality grade (A, Excellent) than Chippewa Flowage -Moore'S Bay Lake (C, Fair). Both are in Sawyer County, Wisconsin.

Both Chippewa Flowage -Moore'S Bay Lake and Round 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. Round Lake (A) is materially cleaner than Chippewa Flowage -Moore'S Bay Lake (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

Chippewa Flowage -Moore'S Bay Lake

Sawyer County, Wisconsin

Murky, only visible to about 4.1 ft.

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.

MetricChippewa Flowage -Moore'S Bay LakeRound Lake
Overall GradeC (Fair)A (Excellent)
Water Clarity4.1 ft21.1 ft
Phosphorus40 µg/L14.4 µg/L
Chlorophyll-a (Algae)8.1 µg/L1 µg/L
Maximum Depth92 ft74 ft
Surface Area14.6K 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 Chippewa Flowage -Moore'S Bay Lake's Grade C. Water clarity: 21.1 ft vs 4.1 ft. For fishing diversity, Round Lake also leads with 0 species.