Knife Lake vs Pomroy Lake
Water quality, depth, fish species, and recreation comparison.
Pomroy Lake has a higher water quality grade (D, Poor) than Knife Lake (F, Very Poor). Both are in Kanabec County, Minnesota.
F
Knife Lake
Kanabec County, Minnesota
Very murky, less than 2.3 ft of visibility.
D
Pomroy Lake
Kanabec County, Minnesota
Murky, only visible to about 5.5 ft.
Side-by-Side Metrics
| Metric | Knife Lake | Pomroy Lake |
|---|---|---|
| Overall Grade | F (Very Poor) | D (Poor) |
| Water Clarity | 2.3 ft | 5.5 ft |
| Phosphorus | 161.5 µg/L | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 15 ft | 11 ft |
| Surface Area | 1.3K acres | 412.2 acres |
| Public Access | Yes | Yes |
| Fish Species | 19 | 9 |
| Trophic State | hypereutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Pomroy Lake wins on overall water quality with a Grade D versus Knife Lake's Grade F. Water clarity: 5.5 ft vs 2.3 ft. For more fish-species variety, Knife Lake edges ahead with 19 documented species.