Mason Lake vs West Battle Lake
Water quality, depth, fish species, and recreation comparison.
West Battle Lake has a higher water quality grade (A, Excellent) than Mason Lake (C, Fair). Both are in Otter Tail County, Minnesota.
Mason Lake and West Battle Lake are both in Minnesota — 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. The grades are meaningfully apart: West Battle Lake grades a A while Mason Lake grades a C. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.
For a recreational visitor, the wider grade gap is decisive — West Battle Lake 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?
Mason Lake
Very murky, less than 3 ft of visibility.
West Battle Lake
Crystal clear, you can see 18.2 ft down.
Side-by-Side Metrics
| Metric | Mason Lake | West Battle Lake |
|---|---|---|
| Overall Grade | C (Fair) | A (Excellent) |
| Water Clarity | 3 ft | 18.2 ft |
| Phosphorus | 21 µg/L | 8 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 108 ft | 108 ft |
| Surface Area | 5.6K acres | 5.6K acres |
| Public Access | Yes | Yes |
| Fish Species | 1 | 1 |
| Trophic State | eutrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
West Battle Lake wins on overall water quality with a Grade A versus Mason Lake's Grade C. Water clarity: 18.2 ft vs 3 ft. For fishing diversity, West Battle Lake also leads with 1 species.