Safest Lakes to Swim In in New York
8 lakes in New York qualify as safest for swimming, all hold grade A or B and report chlorophyll-a (algae) under 10 µg/L. Always check local advisories on the day you swim.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Main Section Lake | Essex | A | 15.7 ft | 9.5 µg/L | 4.6 µg/L |
| 2 | Queneska Island Lake | Essex | A | 17.4 ft | 15 µg/L | 3.4 µg/L |
| 3 | Owasco Lake Platform | Cayuga | A | 11 ft | 6 µg/L | 2 µg/L |
| 4 | Seneca Lake Platform | Seneca | A | 11.5 ft | 6 µg/L | 2.6 µg/L |
| 5 | Isle la Motte Lake | Clinton | A | 15.4 ft | 8.7 µg/L | 5 µg/L |
| 6 | Isle la Motte Lake | Clinton | A | 12.5 ft | 12.3 µg/L | 4.6 µg/L |
| 7 | Main Section Lake | Clinton | A | 14.8 ft | 9.4 µg/L | 4.7 µg/L |
| 8 | Sodus Bay Lake | Wayne | B | 8 ft | 18 µg/L | 9.1 µg/L |