Corey Lake Southeastern Basin; Fabius Township vs Lake Templene
Water quality, depth, fish species, and recreation comparison.
Corey Lake Southeastern Basin; Fabius Township has a higher water quality grade (A, Excellent) than Lake Templene (D, Poor). Both are in St. Joseph County, Wisconsin.
Corey Lake Southeastern Basin; Fabius Township and Lake Templene are both in Michigan — 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. Corey Lake Southeastern Basin; Fabius Township (A) is materially cleaner than Lake Templene (D). 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 — Corey Lake Southeastern Basin; Fabius Township 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?
Corey Lake Southeastern Basin; Fabius Township
Crystal clear, you can see 16 ft down.
Lake Templene
Murky, only visible to about 6.5 ft.
Side-by-Side Metrics
| Metric | Corey Lake Southeastern Basin; Fabius Township | Lake Templene |
|---|---|---|
| Overall Grade | A (Excellent) | D (Poor) |
| Water Clarity | 16 ft | 6.5 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 567 acres | 870 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 10 | 0 |
| Trophic State | oligotrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Corey Lake Southeastern Basin; Fabius Township wins on overall water quality with a Grade A versus Lake Templene's Grade D. Water clarity: 16 ft vs 6.5 ft. For fishing diversity, Corey Lake Southeastern Basin; Fabius Township also leads with 10 species.