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LakeQuality

Spooner Lake vs Yellow River Flowage Lake

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

Yellow River Flowage Lake has a higher water quality grade (B, Good) than Spooner Lake (C, Fair). Both are in Washburn County, Wisconsin.

Both Spooner Lake and Yellow River 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. These two are within a letter of each other on the rubric — Spooner Lake (C) versus Yellow River Flowage Lake (B). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.

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

Spooner Lake

Washburn County, Wisconsin

Murky, only visible to about 6.5 ft.

B

Yellow River Flowage Lake

Washburn County, Wisconsin

Good clarity, visible to about 10 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.

MetricSpooner LakeYellow River Flowage Lake
Overall GradeC (Fair)B (Good)
Water Clarity6.5 ft10 ft
Phosphorus22.7 µg/L23.1 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth--
Surface Area1.1K acres1.1K acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophicmesotrophic

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

Verdict

Yellow River Flowage Lake wins on overall water quality with a Grade B versus Spooner Lake's Grade C. Water clarity: 10 ft vs 6.5 ft. For fishing diversity, Yellow River Flowage Lake also leads with 0 species.