Pepin Lake vs Zumbro Lake
Water quality, depth, fish species, and recreation comparison.
Zumbro Lake has a higher water quality grade (D, Poor) than Pepin Lake (F, Very Poor). Both are in Minnesota.
F
Pepin Lake
Pepin County, Minnesota
Very murky, less than 3 ft of visibility.
D
Zumbro Lake
Olmsted County, Minnesota
Murky, only visible to about 3.9 ft.
Side-by-Side Metrics
| Metric | Pepin Lake | Zumbro Lake |
|---|---|---|
| Overall Grade | F (Very Poor) | D (Poor) |
| Water Clarity | 3 ft | 3.9 ft |
| Phosphorus | No data | 69 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 60 ft | 43 ft |
| Surface Area | 12.3K acres | 714.54 acres |
| Public Access | Yes | Yes |
| Fish Species | 47 | 24 |
| Trophic State | eutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Zumbro Lake wins on overall water quality with a Grade D versus Pepin Lake's Grade F. Water clarity: 3.9 ft vs 3 ft. For more fish-species variety, Pepin Lake edges ahead with 47 documented species.