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LakeQuality

Forest Lake vs Irving Lake

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

Forest Lake and Irving Lake both received the same overall water quality grade of A (Excellent). Both are in Vilas County, Wisconsin.

A

Forest Lake

Vilas County, Wisconsin

Crystal clear, you can see 23 ft down.

A

Irving Lake

Vilas County, Wisconsin

Crystal clear, you can see 36.1 ft down.

Side-by-Side Metrics

MetricForest LakeIrving Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity23 ft36.1 ft
PhosphorusNo data18.6 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth60 ft-
Surface Area468 acres419 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 (Forest Lake: 23 ft, Irving Lake: 36.1 ft) and what you want from the lake. Forest Lake supports more documented fish species.