Cleanest Lakes in Ouachita County, Arkansas
Upper White Oak Lake in Ouachita County leads the rankings with a water quality grade of C. Below are the top 2 cleanest monitored lakes in Ouachita County, Arkansas, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Upper White Oak Lake | Ouachita | C | - | 40 µg/L | 25.1 µg/L |
| 2 | Bragg Lake | Ouachita | D | - | 110 µg/L | 29.8 µg/L |