Cleanest Lakes in St. Johns County, Florida
Lake South in St. Johns County leads the rankings with a water quality grade of D and 1.6 ft of clarity. Below are the top 3 cleanest monitored lakes in St. Johns County, Florida, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Lake South | St. Johns | D | 1.6 ft | 78 µg/L | - |
| 2 | Lake Mid | St. Johns | D | 2.1 ft | 103.5 µg/L | - |
| 3 | Micklers Lake | St. Johns | D | 1.7 ft | 149 µg/L | - |