Safest Lakes to Swim Near Hayward
Wisconsin
13 lakes within driving distance of Hayward, 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.
A moderate cluster of 13 graded lakes lies within reach of Hayward, averaging a grade of A. Christner Lake (A) is the cleanest of the set.
Filtered for swimming, the nearby-lake list narrows further. swimming-specific signals — fish species, public access, depth profile, motor-boat congestion — interact with the letter grade in different ways depending on the use case.
| # | Lake | County | Grade | Swim Safety | Distance | Clarity | Depth |
|---|---|---|---|---|---|---|---|
| 1 | Christner Lake | Sawyer | A | Low algae | 5.6 mi | 12 ft | 16 ft |
| 2 | Grindstone Lake | Sawyer | A | Low algae | 6.6 mi | 17.4 ft | 60 ft |
| 3 | Durphee Lake | Sawyer | A | Low algae | 7.6 mi | 8.1 ft | - |
| 4 | Round Lake | Sawyer | A | Low algae | 7.9 mi | 21.1 ft | 74 ft |
| 5 | Little Round Lake | Sawyer | A | Low algae | 8.2 mi | 17.3 ft | 38 ft |
| 6 | Lac Courte Oreilles Lake | Sawyer | A | Low algae | 8.4 mi | 12.2 ft | 90 ft |
| 7 | Indian Lake | Sawyer | A | Low algae | 9.1 mi | 6.5 ft | 9 ft |
| 8 | Osprey Lake | Sawyer | A | Low algae | 9.3 mi | 16 ft | 32 ft |
| 9 | Whitefish Lake | Sawyer | A | Low algae | 10.6 mi | 13.5 ft | 105 ft |
| 10 | Sand Lake | Sawyer | A | Low algae | 11.3 mi | 10 ft | 50 ft |
| 11 | Lost Lake | Sawyer | A | Low algae | 11.3 mi | 10.6 ft | 13 ft |
| 12 | Ashegon Lake | Sawyer | A | Low algae | 14.3 mi | 10.5 ft | 56 ft |
| 13 | Blueberry Lake | Sawyer | A | Low algae | 14.5 mi | 14.8 ft | 29 ft |
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Source: EPA National Aquatic Resource Surveys, 2026.