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LakeQuality

Clearwater Lake Nr. Dam vs Mccormack Lake

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

Mccormack Lake has a higher water quality grade (A, Excellent) than Clearwater Lake Nr. Dam (B, Good). Both are in Wisconsin.

Clearwater Lake Nr. Dam and Mccormack Lake are both in Missouri — 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 — Clearwater Lake Nr. Dam (B) versus Mccormack 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

Clearwater Lake Nr. Dam

Wayne County, Wisconsin

Murky, only visible to about 5.7 ft.

A

Mccormack Lake

Oregon County, Wisconsin

Good clarity, visible to about 11.7 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.

MetricClearwater Lake Nr. DamMccormack Lake
Overall GradeB (Good)A (Excellent)
Water Clarity5.7 ft11.7 ft
Phosphorus15.7 µg/L6 µg/L
Chlorophyll-a (Algae)3.7 µg/L3 µg/L
Maximum Depth--
Surface Area1.6K acres10 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Statemesotrophicoligotrophic

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

Verdict

Mccormack Lake wins on overall water quality with a Grade A versus Clearwater Lake Nr. Dam's Grade B. Water clarity: 11.7 ft vs 5.7 ft. For fishing diversity, Mccormack Lake also leads with 0 species.