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LakeQuality

Flambeau Lake Deep vs Flambeau Lake

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

Flambeau Lake has a higher water quality grade (A, Excellent) than Flambeau Lake Deep (B, Good). Both are in Vilas County, Wisconsin.

Flambeau Lake Deep and Flambeau 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: Flambeau Lake Deep (B) and Flambeau Lake (A) 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

Flambeau Lake Deep

Vilas County, Wisconsin

Good clarity, visible to about 13 ft.

A

Flambeau Lake

Vilas County, Wisconsin

No clarity data.

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.

MetricFlambeau Lake DeepFlambeau Lake
Overall GradeB (Good)A (Excellent)
Water Clarity13 ftNo data
PhosphorusNo data9 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth78 ft78 ft
Surface Area1.2K acres1.2K acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophicoligotrophic

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

Verdict

Flambeau Lake wins on overall water quality with a Grade A versus Flambeau Lake Deep's Grade B. For fishing diversity, Flambeau Lake also leads with 0 species.