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LakeQuality

Deer Lake vs Half Moon Lake

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

Deer Lake and Half Moon Lake both received the same overall water quality grade of A (Excellent). Both are in Polk County, Wisconsin.

A

Deer Lake

Polk County, Wisconsin

Crystal clear, you can see 49.2 ft down.

A

Half Moon Lake

Polk County, Wisconsin

Crystal clear, you can see 50 ft down.

Side-by-Side Metrics

MetricDeer LakeHalf Moon Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity49.2 ft50 ft
Phosphorus16.9 µg/L13.9 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth46 ft60 ft
Surface Area786 acres550 acres
Public AccessYesYes
Fish Species54
Trophic Stateoligotrophicoligotrophic

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

Verdict

Both lakes earn the same Grade A. The tiebreakers come down to clarity (Deer Lake: 49.2 ft, Half Moon Lake: 50 ft) and what you want from the lake. Deer Lake supports more documented fish species.