Beaver Dam Lake vs Fox Lake
Water quality, depth, fish species, and recreation comparison.
Fox Lake reads lower on nutrients and algae than Beaver Dam Lake. Both are in Dodge County, Wisconsin.
Beaver Dam Lake and Fox Lake 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. The readings are close: Beaver Dam Lake and Fox Lake sit within a narrow band of each other on phosphorus, chlorophyll-a and clarity. The per-parameter table below shows where the small differences actually live.
With readings 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
Very murky, less than 1 ft of visibility.
Fox Lake
Very murky, less than 2 ft of visibility.
Side-by-Side Metrics
| Metric | Beaver Dam Lake | Fox Lake |
|---|---|---|
| Water Clarity | 1 ft | 2 ft Better |
| Phosphorus | 230.5 µg/L | 102.4 µg/L Better |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | 19 ft |
| Surface Area | 6,542 acres | 2,713 acres |
| Public Access | Yes | Yes |
| Fish Species | 0 | 5 Better |
| Trophic State | hypereutrophic | eutrophic |
A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.
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Verdict
Beaver Dam Lake and Fox Lake read the same on nutrients and algae overall. The tiebreakers come down to clarity (Beaver Dam Lake: 1 ft, Fox Lake: 2 ft) and what you want from the lake. Beaver Dam Lake has fewer fish species than Fox Lake.
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Where to stay near Beaver Dam Lake and Fox Lake
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Source: EPA National Aquatic Resource Surveys, 2026.