Safest Lakes to Swim Near Eau Claire
Wisconsin
2 lakes within driving distance of Eau Claire, Wisconsin pass our swim-safety screen — grade A/B water, low algae, and public access. 0 have direct bacteria (E. coli) testing on record. Filtered for grade A or B water quality, low algae (chlorophyll-a under 15 µg/L), and public access. Always check local advisories on the day you swim.
Lakes near Eau Claire are sparser (2 graded lakes within reach), so the choices are limited. Two Island Lake (A) is the standout.
Filtered for swimming, the nearby-lake list narrows further. swimming-specific signals — fish species, public access, depth profile, motor-boat congestion — interact with the LakeGrade rubric in different ways depending on the use case.
| # | Lake | County | Grade | Swim Safety | Distance | Clarity | Depth |
|---|---|---|---|---|---|---|---|
| 1 | Two Island Lake | Chippewa | A | Low algae | 29.8 mi | 15.3 ft | 38 ft |
| 2 | Beaver Lake | Chippewa | B | Limited data | 25.4 mi | - | 17 ft |
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Source: EPA National Aquatic Resource Surveys, 2026.