Lower Eau Claire Lake vs Middle Eau Claire Lake
Water quality, depth, fish species, and recreation comparison.
Middle Eau Claire Lake reads lower on nutrients and algae than Lower Eau Claire Lake. Both are in Bayfield County, Wisconsin.
Both Lower Eau Claire Lake and Middle Eau Claire 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. The readings are close: Lower Eau Claire Lake and Middle Eau Claire 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.
Lower Eau Claire Lake
Good clarity, visible to about 14.1 ft.
Middle Eau Claire Lake
Crystal clear, you can see 18.2 ft down.
Side-by-Side Metrics
| Metric | Lower Eau Claire Lake | Middle Eau Claire Lake |
|---|---|---|
| Water Clarity | 14.1 ft | 18.2 ft Better |
| Phosphorus | 13 µg/L | 12.9 µg/L Better |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 41 ft | 66 ft Better |
| Surface Area | 784 acres | 880 acres |
| Public Access | Unknown | Yes |
| Fish Species | 6 | 6 |
| Trophic State | mesotrophic | oligotrophic |
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
Lower Eau Claire Lake and Middle Eau Claire Lake read the same on nutrients and algae overall. The tiebreakers come down to clarity (Lower Eau Claire Lake: 14.1 ft, Middle Eau Claire Lake: 18.2 ft) and what you want from the lake. Lower Eau Claire Lake matches its peer on species count.
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Where to stay near Lower Eau Claire Lake and Middle Eau Claire Lake
Compare cabins, hotels, and vacation rentals around Lower Eau Claire Lake and Middle Eau Claire 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.
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Source: EPA National Aquatic Resource Surveys, 2026.