Minnewaska Lake vs Reno Lake
Water quality, depth, fish species, and recreation comparison.
Minnewaska Lake has a higher water quality grade (A, Excellent) than Reno Lake (C, Fair). Both are in Pope County, Minnesota.
Minnewaska Lake and Reno 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. Minnewaska Lake (A) is materially cleaner than Reno Lake (C). 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 grade gap is decisive — Minnewaska 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?
Minnewaska Lake
Good clarity, visible to about 11 ft.
Reno Lake
Moderate clarity, visible to about 7.5 ft.
Side-by-Side Metrics
| Metric | Minnewaska Lake | Reno Lake |
|---|---|---|
| Overall Grade | A (Excellent) | C (Fair) |
| Water Clarity | 11 ft | 7.5 ft |
| Phosphorus | 24 µg/L | 33.5 µg/L |
| Chlorophyll-a (Algae) | 6 µg/L | 9.6 µg/L |
| Maximum Depth | 32 ft | 23 ft |
| Surface Area | 8,050 acres | 3,809 acres |
| Public Access | Yes | Yes |
| Fish Species | 21 | 18 |
| Trophic State | mesotrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Minnewaska Lake wins on overall water quality with a Grade A versus Reno Lake's Grade C. Water clarity: 11 ft vs 7.5 ft. For fishing diversity, Minnewaska Lake also leads with 21 species.
Source: EPA National Aquatic Resource Surveys, 2026.