Beaver Dam Lake vs Little Green Lake
Water quality, depth, fish species, and recreation comparison.
Little Green Lake reads lower on nutrients and algae than Beaver Dam Lake. Both are in Wisconsin.
Both Beaver Dam Lake and Little Green Lake sit in Wisconsin. A same-state comparison strips out the state-level water-quality regime as a variable: any differences in the readings here are about the lakes themselves, not the agencies sampling them. These two sit close on their nutrient and algae readings, Beaver Dam Lake versus Little Green Lake. The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.
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.
Little Green Lake
Very murky, less than 3.2 ft of visibility.
Side-by-Side Metrics
| Metric | Beaver Dam Lake | Little Green Lake |
|---|---|---|
| Water Clarity | 1 ft | 3.2 ft Better |
| Phosphorus | 230.5 µg/L | 92.8 µg/L Better |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | 28 ft |
| Surface Area | 6,542 acres | 462 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 Little Green Lake read the same on nutrients and algae overall. The tiebreakers come down to clarity (Beaver Dam Lake: 1 ft, Little Green Lake: 3.2 ft) and what you want from the lake. Beaver Dam Lake has fewer fish species than Little Green Lake.
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Where to stay near Beaver Dam Lake and Little Green Lake
Compare cabins, hotels, and vacation rentals around Beaver Dam Lake and Little Green Lake. Both lakes are pinned on the map, so you can see which stays sit nearer the one you pick. Switch to Satellite to see how close each is to the water.
Top-rated places to stay near Beaver Dam Lake and Little Green Lake
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Source: EPA National Aquatic Resource Surveys, 2026.