Skip to main content
LakeQuality

Black Oak Lake vs Irving Lake

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

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

A

Black Oak Lake

Vilas County, Wisconsin

Crystal clear, you can see 88.6 ft down.

A

Irving Lake

Vilas County, Wisconsin

Crystal clear, you can see 36.1 ft down.

Side-by-Side Metrics

MetricBlack Oak LakeIrving Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity88.6 ft36.1 ft
Phosphorus10.2 µg/L18.6 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth85 ft-
Surface Area564 acres419 acres
Public AccessYesYes
Fish Species64
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 (Black Oak Lake: 88.6 ft, Irving Lake: 36.1 ft) and what you want from the lake. Black Oak Lake supports more documented fish species.