Safest Lakes to Swim In in Washington
1 lakes in Washington 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 | Banks Lake | Grant | A | 19.4 ft | 13 µg/L | 1.3 µg/L |
More Answers for Washington
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