Agnes Lake vs Oyster Lake
Water quality, depth, fish species, and recreation comparison.
Agnes Lake has a higher water quality grade (B, Good) than Oyster Lake (C, Fair). Both are in St. Louis County, Minnesota.
Both Agnes Lake and Oyster 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 close: Agnes Lake (B) and Oyster Lake (C) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.
With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
Agnes Lake
Good clarity, visible to about 13.5 ft.
Oyster Lake
Moderate clarity, visible to about 7.3 ft.
Side-by-Side Metrics
| Metric | Agnes Lake | Oyster Lake |
|---|---|---|
| Overall Grade | B (Good) | C (Fair) |
| Water Clarity | 13.5 ft | 7.3 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 30 ft | 130 ft |
| Surface Area | 1.0K acres | 762.91 acres |
| Public Access | No | No |
| Fish Species | 1 | 0 |
| Trophic State | oligotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Agnes Lake wins on overall water quality with a Grade B versus Oyster Lake's Grade C. Water clarity: 13.5 ft vs 7.3 ft. For fishing diversity, Agnes Lake also leads with 1 species.