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George Lake reads lower on nutrients and algae than Peltier Lake. Both are in Anoka County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

George Lake and Peltier 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. George Lake reads materially cleaner than Peltier 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: George 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?

George Lake

Anoka County, Minnesota

Moderate clarity, visible to about 7.3 ft.

Peltier Lake

Anoka County, Minnesota

Very murky, less than 2.5 ft of visibility.

Side-by-Side Metrics

MetricGeorge LakePeltier Lake
Water Clarity7.3 ft Better2.5 ft
Phosphorus22 µg/L Better357.5 µg/L
Chlorophyll-a (Algae)8.3 µg/L Better50.6 µg/L
Maximum Depth32 ft Better18 ft
Surface Area489 acres552 acres
Public AccessYesYes
Fish Species1216 Better
Trophic Statemesotrophichypereutrophic

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

George Lake reads lower on nutrients and algae than Peltier Lake. Water clarity: 7.3 ft vs 2.5 ft. For more fish-species variety, Peltier Lake edges ahead with 16 documented species.

Source: EPA National Aquatic Resource Surveys, 2026.