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Pelican Lake reads lower on nutrients and algae than Tamarac Lake. Both are in Otter Tail County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Pelican Lake and Tamarac 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. Pelican Lake reads materially cleaner than Tamarac Lake on nutrients and algae. A gap that wide is unlikely to close in a single year of remediation work; it reflects multi-decade differences in the lakes themselves.

For a recreational visitor, the wider gap in the readings is decisive: Pelican Lake has the lower nutrient and algae numbers. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?

Pelican Lake

Otter Tail County, Minnesota

Crystal clear, you can see 16.4 ft down.

Tamarac Lake

Otter Tail County, Minnesota

Murky, only visible to about 6.2 ft.

Side-by-Side Metrics

MetricPelican LakeTamarac Lake
Water Clarity16.4 ft Better6.2 ft
Phosphorus15 µg/L Better33 µg/L
Chlorophyll-a (Algae)3 µg/L Better10.7 µg/L
Maximum Depth55 ft Better11 ft
Surface Area3,962 acres445 acres
Public AccessYesYes
Fish Species20 Better11
Trophic Statemesotrophiceutrophic

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

Pelican Lake reads lower on nutrients and algae than Tamarac Lake. Water clarity: 16.4 ft vs 6.2 ft. For fishing diversity, Pelican Lake also leads with 20 species.

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Where to stay near Pelican Lake and Tamarac Lake

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Source: EPA National Aquatic Resource Surveys, 2026.