Oyster Lake vs Ramshead Lake
Water quality, depth, fish species, and recreation comparison.
Oyster Lake has a higher water quality grade (D, Poor) than Ramshead Lake (F, Very Poor). Both are in St. Louis County, Minnesota.
Both Oyster Lake and Ramshead 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. These two are within a letter of each other on the rubric — Oyster Lake (D) versus Ramshead Lake (F). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.
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.
Oyster Lake
Murky, only visible to about 6.6 ft.
Ramshead Lake
No clarity data.
Side-by-Side Metrics
| Metric | Oyster Lake | Ramshead Lake |
|---|---|---|
| Overall Grade | D (Poor) | F (Very Poor) |
| Water Clarity | 6.6 ft | No data |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 130 ft | 10 ft |
| Surface Area | 762.91 acres | 552.93 acres |
| Public Access | No | No |
| Fish Species | 0 | 0 |
| Trophic State | eutrophic | Unknown |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Oyster Lake wins on overall water quality with a Grade D versus Ramshead Lake's Grade F. For fishing diversity, Oyster Lake also leads with 0 species.