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LakeQuality

Gile Flowage Lake vs Unnamed Lake

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

Unnamed Lake has a higher water quality grade (C, Fair) than Gile Flowage Lake (C, Fair). Both are in Iron County, Wisconsin.

Both Gile Flowage Lake and Unnamed 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: Gile Flowage Lake (C) and Unnamed Lake (C) 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

Gile Flowage Lake

Iron County, Wisconsin

Murky, only visible to about 4.5 ft.

C

Unnamed Lake

Iron County, Wisconsin

Moderate clarity, visible to about 9 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.

MetricGile Flowage LakeUnnamed Lake
Overall GradeC (Fair)C (Fair)
Water Clarity4.5 ft9 ft
Phosphorus30.6 µg/LNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area3.3K acres31 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophicmesotrophic

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

Verdict

Unnamed Lake wins on overall water quality with a Grade C versus Gile Flowage Lake's Grade C. Water clarity: 9 ft vs 4.5 ft. For fishing diversity, Unnamed Lake also leads with 0 species.