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LakeQuality

Osk-07 Lake vs Wem-09 Lake

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

Wem-09 Lake has a higher water quality grade (A, Excellent) than Osk-07 Lake (B, Good). Both are in Wisconsin.

Osk-07 Lake and Wem-09 Lake are both in Indiana — 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. These two are within a letter of each other on the rubric — Osk-07 Lake (B) versus Wem-09 Lake (A). 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.

B

Osk-07 Lake

Clark County, Wisconsin

Murky, only visible to about 6.1 ft.

A

Wem-09 Lake

Washington County, Wisconsin

Good clarity, visible to about 13 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.

MetricOsk-07 LakeWem-09 Lake
Overall GradeB (Good)A (Excellent)
Water Clarity6.1 ft13 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)2.6 µg/L3.2 µg/L
Maximum Depth--
Surface Area183.18 acres86 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophicmesotrophic

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

Verdict

Wem-09 Lake wins on overall water quality with a Grade A versus Osk-07 Lake's Grade B. Water clarity: 13 ft vs 6.1 ft. For fishing diversity, Wem-09 Lake also leads with 0 species.