Little Turtle Lake vs Movil Lake
Water quality, depth, fish species, and recreation comparison.
Movil Lake reads lower on nutrients and algae than Little Turtle Lake. Both are in Beltrami County, Minnesota.
Little Turtle Lake and Movil 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. Movil Lake reads materially cleaner than Little Turtle 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: Movil 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?
Little Turtle Lake
Murky, only visible to about 6.5 ft.
Movil Lake
Good clarity, visible to about 14 ft.
Side-by-Side Metrics
| Metric | Little Turtle Lake | Movil Lake |
|---|---|---|
| Water Clarity | 6.5 ft | 14 ft Better |
| Phosphorus | 23.5 µg/L | 12 µg/L Better |
| Chlorophyll-a (Algae) | 12 µg/L | 5.3 µg/L Better |
| Maximum Depth | 25 ft | 50 ft Better |
| Surface Area | 469 acres | 855 acres |
| Public Access | No | Yes |
| Fish Species | 15 | 20 Better |
| 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
Movil Lake reads lower on nutrients and algae than Little Turtle Lake. Water clarity: 14 ft vs 6.5 ft. For fishing diversity, Movil Lake also leads with 20 species.
Source: EPA National Aquatic Resource Surveys, 2026.