Calhoun Lake vs Crow R Mill Pond
Water quality, depth, fish species, and recreation comparison.
Crow R Mill Pond reads lower on nutrients and algae than Calhoun Lake. Both are in Kandiyohi County, Minnesota.
Both Calhoun Lake and Crow R Mill Pond sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any differences in the readings here are about the lakes themselves, not the agencies sampling them. Crow R Mill Pond reads materially cleaner than Calhoun 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: Crow R Mill Pond 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?
Calhoun Lake
Moderate clarity, visible to about 6.9 ft.
Crow R Mill Pond
Moderate clarity, visible to about 7 ft.
Side-by-Side Metrics
| Metric | Calhoun Lake | Crow R Mill Pond |
|---|---|---|
| Water Clarity | 6.9 ft | 7 ft Better |
| Phosphorus | 24 µg/L | 21 µg/L Better |
| Chlorophyll-a (Algae) | 8.8 µg/L | 6.7 µg/L Better |
| Maximum Depth | 13 ft | 14 ft Better |
| Surface Area | 647 acres | 2,290 acres |
| Public Access | Yes | Yes |
| Fish Species | 15 Better | 13 |
| Trophic State | eutrophic | mesotrophic |
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.
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Verdict
Crow R Mill Pond reads lower on nutrients and algae than Calhoun Lake. Water clarity: 7 ft vs 6.9 ft. For more fish-species variety, Calhoun Lake edges ahead with 15 documented species.
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Where to stay near Calhoun Lake and Crow R Mill Pond
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Source: EPA National Aquatic Resource Surveys, 2026.