Thunder Lake vs Thunder Lake
Water quality, depth, fish species, and recreation comparison.
Thunder Lake and Thunder Lake both received the same overall water quality grade of A (Excellent). Both are in Cass County, Minnesota.
A
Thunder Lake
Cass County, Minnesota
Crystal clear, you can see 16.4 ft down.
A
Thunder Lake
Cass County, Minnesota
Crystal clear, you can see 20 ft down.
Side-by-Side Metrics
| Metric | Thunder Lake | Thunder Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 16.4 ft | 20 ft |
| Phosphorus | 10 µg/L | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 95 ft | 95 ft |
| Surface Area | 1.3K acres | 1.3K acres |
| Public Access | Yes | Yes |
| Fish Species | 17 | 17 |
| Trophic State | oligotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade A. The tiebreakers come down to clarity (Thunder Lake: 16.4 ft, Thunder Lake: 20 ft) and what you want from the lake. Thunder Lake matches its peer on species count.