Snider Lake vs South Twin Lake
Water quality, depth, fish species, and recreation comparison.
South Twin Lake reads lower on nutrients and algae than Snider Lake. Both are in Mahnomen County, Minnesota.
Snider Lake and South Twin 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. South Twin Lake reads materially cleaner than Snider 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: South Twin 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?
Snider Lake
Moderate clarity, visible to about 8.5 ft.
South Twin Lake
Good clarity, visible to about 10.2 ft.
Side-by-Side Metrics
| Metric | Snider Lake | South Twin Lake |
|---|---|---|
| Water Clarity | 8.5 ft | 10.2 ft Better |
| Phosphorus | 21 µg/L | 13.5 µg/L Better |
| Chlorophyll-a (Algae) | 9.2 µg/L | 3.1 µg/L Better |
| Maximum Depth | 29 ft | 29 ft |
| Surface Area | 634 acres | 1,127 acres |
| Public Access | Yes | Yes |
| Fish Species | 15 | 15 |
| Trophic State | mesotrophic | 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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Compare Snider Lake or South Twin Lake against a different lake.
Verdict
South Twin Lake reads lower on nutrients and algae than Snider Lake. Water clarity: 10.2 ft vs 8.5 ft. For fishing diversity, South Twin Lake also leads with 15 species.
Source: EPA National Aquatic Resource Surveys, 2026.