North Twin Lake vs Snider Lake
Water quality, depth, fish species, and recreation comparison.
North Twin Lake has a higher water quality grade (A, Excellent) than Snider Lake (C, Fair). Both are in Mahnomen County, Minnesota.
Both North Twin Lake and Snider Lake sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are meaningfully apart: North Twin Lake grades a A while Snider Lake grades a C. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.
For a recreational visitor, the wider grade gap is decisive — North Twin Lake is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?
North Twin Lake
Moderate clarity, visible to about 8.5 ft.
Snider Lake
Moderate clarity, visible to about 8.5 ft.
Side-by-Side Metrics
| Metric | North Twin Lake | Snider Lake |
|---|---|---|
| Overall Grade | A (Excellent) | C (Fair) |
| Water Clarity | 8.5 ft | 8.5 ft |
| Phosphorus | 17 µg/L | 21 µg/L |
| Chlorophyll-a (Algae) | 5.9 µg/L | 9.2 µg/L |
| Maximum Depth | 16 ft | 29 ft |
| Surface Area | 966 acres | 634 acres |
| Public Access | No | Yes |
| Fish Species | 14 | 15 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
North Twin Lake wins on overall water quality with a Grade A versus Snider Lake's Grade C. Water clarity: 8.5 ft vs 8.5 ft. For more fish-species variety, Snider Lake edges ahead with 15 documented species.
Source: EPA National Aquatic Resource Surveys, 2026.