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Clearwater Lake reads lower on nutrients and algae than Clara Lake. Both are in Cook County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Clara Lake and Clearwater Lake are both in Minnesota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The readings are close: Clara Lake and Clearwater Lake sit within a narrow band of each other on phosphorus, chlorophyll-a and clarity. The per-parameter table below shows where the small differences actually live.

With readings this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

Clara Lake

Cook County, Minnesota

Moderate clarity, visible to about 7.6 ft.

Clearwater Lake

Cook County, Minnesota

Crystal clear, you can see 29 ft down.

Side-by-Side Metrics

MetricClara LakeClearwater Lake
Water Clarity7.6 ft29 ft Better
Phosphorus15 µg/L4 µg/L Better
Chlorophyll-a (Algae)4 µg/L1.3 µg/L Better
Maximum Depth15 ft65 ft Better
Surface Area388 acres462 acres
Public AccessYesNo
Fish Species6 Better0
Trophic Statemesotrophicoligotrophic

A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.

Verdict

Clara Lake and Clearwater Lake read the same on nutrients and algae overall. The tiebreakers come down to clarity (Clara Lake: 7.6 ft, Clearwater Lake: 29 ft) and what you want from the lake. Clara Lake supports more documented fish species.

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Where to stay near Clara Lake and Clearwater Lake

Compare cabins, hotels, and vacation rentals around Clara Lake and Clearwater Lake. Both lakes are pinned on the map, so you can see which stays sit nearer the one you pick. Switch to Satellite to see how close each is to the water.

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Source: EPA National Aquatic Resource Surveys, 2026.