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LakeQuality

Clam River Flowage Lake vs Danbury Flowage Lake

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

Danbury Flowage Lake has a higher water quality grade (D, Poor) than Clam River Flowage Lake (F, Very Poor). Both are in Burnett County, Wisconsin.

Both Clam River Flowage Lake and Danbury Flowage 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. The grades are close: Clam River Flowage Lake (F) and Danbury Flowage Lake (D) 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.

F

Clam River Flowage Lake

Burnett County, Wisconsin

Very murky, less than 2.2 ft of visibility.

D

Danbury Flowage Lake

Burnett County, Wisconsin

Murky, only visible to about 6.2 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.

MetricClam River Flowage LakeDanbury Flowage Lake
Overall GradeF (Very Poor)D (Poor)
Water Clarity2.2 ft6.2 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area360 acres2.8K acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophiceutrophic

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

Verdict

Danbury Flowage Lake wins on overall water quality with a Grade D versus Clam River Flowage Lake's Grade F. Water clarity: 6.2 ft vs 2.2 ft. For fishing diversity, Danbury Flowage Lake also leads with 0 species.