Cleanest Lakes in Clay County, Missouri
Watkins Mill Lake in Clay County leads the rankings with a water quality grade of D and 3.2 ft of clarity. Below are the top 6 cleanest monitored lakes in Clay County, Missouri, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Watkins Mill Lake | Clay | D | 3.2 ft | 41 µg/L | 18.2 µg/L |
| 2 | Smithville Lake | Clay | D | 2 ft | 48.8 µg/L | 27.2 µg/L |
| 3 | Smithville Lake | Clay | D | 2.6 ft | 34 µg/L | 27.6 µg/L |
| 4 | Smithville Lake by Dam | Clay | D | 3.3 ft | 37 µg/L | 25.3 µg/L |
| 5 | Chaumiere Lake | Clay | F | 1.4 ft | 130 µg/L | 86 µg/L |
| 6 | Chaumiere Park Lake | Clay | F | - | 159.5 µg/L | 76.3 µg/L |