Beaver Dam Lake vs Big Moon Lake at
Water quality, depth, fish species, and recreation comparison.
Beaver Dam Lake has a higher water quality grade (A, Excellent) than Big Moon Lake at (B, Good). Both are in Barron County, Wisconsin.
Beaver Dam Lake and Big Moon Lake at are both in Wisconsin — 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. These two are within a letter of each other on the rubric — Beaver Dam Lake (A) versus Big Moon Lake at (B). 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.
Beaver Dam Lake
Good clarity, visible to about 11 ft.
Big Moon Lake at
Good clarity, visible to about 10 ft.
Side-by-Side Metrics
| Metric | Beaver Dam Lake | Big Moon Lake at |
|---|---|---|
| Overall Grade | A (Excellent) | B (Good) |
| Water Clarity | 11 ft | 10 ft |
| Phosphorus | 13 µg/L | 25.7 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 1.2K acres | 187 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Beaver Dam Lake wins on overall water quality with a Grade A versus Big Moon Lake at's Grade B. Water clarity: 11 ft vs 10 ft. For fishing diversity, Beaver Dam Lake also leads with 0 species.