Cleanest Lakes in Ohio
Caesar Creek Lake in Warren County leads the rankings with a water quality grade of C and 3.8 ft of clarity. Below are the top 8 cleanest monitored lakes in Ohio, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Caesar Creek Lake | Warren | C | 3.8 ft | 18 µg/L | 23.5 µg/L |
| 2 | Caesar Creek Lake | Warren | C | 3.5 ft | 24.5 µg/L | 18.5 µg/L |
| 3 | Caesar Creek Lake | Warren | D | 3.2 ft | 26 µg/L | 20.1 µg/L |
| 4 | Caesar Creek Lake | Warren | D | 3 ft | 27 µg/L | 22.7 µg/L |
| 5 | Buck Creek Lake | Clark | D | 2.5 ft | 41.5 µg/L | 36.8 µg/L |
| 6 | Buck Creek Lake | Clark | D | 2.3 ft | 43.5 µg/L | 39.7 µg/L |
| 7 | Buck Creek Lake | Clark | D | 2.1 ft | 44.5 µg/L | 35.7 µg/L |
| 8 | Buck Creek Lake | Clark | D | 2.5 ft | 40.5 µg/L | 39.5 µg/L |