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LakeQuality

Round Lake vs Sugar Lake

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

Round Lake and Sugar Lake both received the same overall water quality grade of A (Excellent). Both are in Aitkin County, Minnesota.

A

Round Lake

Aitkin County, Minnesota

Crystal clear, you can see 15.3 ft down.

A

Sugar Lake

Aitkin County, Minnesota

Crystal clear, you can see 15.5 ft down.

Side-by-Side Metrics

MetricRound LakeSugar Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity15.3 ft15.5 ft
PhosphorusNo data9.5 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth59 ft45 ft
Surface Area634.03 acres415.87 acres
Public AccessYesYes
Fish Species1513
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 (Round Lake: 15.3 ft, Sugar Lake: 15.5 ft) and what you want from the lake. Round Lake supports more documented fish species.