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LakeQuality

Alpine Lake vs Red Rock Lake

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

Alpine Lake and Red Rock Lake both received the same overall water quality grade of B (Good). Both are in Cook County, Minnesota.

B

Alpine Lake

Cook County, Minnesota

Good clarity, visible to about 12 ft.

B

Red Rock Lake

Cook County, Minnesota

Good clarity, visible to about 12.7 ft.

Side-by-Side Metrics

MetricAlpine LakeRed Rock Lake
Overall GradeB (Good)B (Good)
Water Clarity12 ft12.7 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth65 ft64 ft
Surface Area908.63 acres450.9 acres
Public AccessNoNo
Fish Species08
Trophic Statemesotrophicmesotrophic

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

Verdict

Both lakes earn the same Grade B. The tiebreakers come down to clarity (Alpine Lake: 12 ft, Red Rock Lake: 12.7 ft) and what you want from the lake. Alpine Lake has fewer fish species than Red Rock Lake.