Cleanest Lakes in Benton County, Arkansas
Lake Ann in Benton County leads the rankings with a water quality grade of B. Below are the top 10 cleanest monitored lakes in Benton County, Arkansas, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Lake Ann | Benton | B | - | 27 µg/L | 5.8 µg/L |
| 2 | Norwood Lake | Benton | B | - | 22.5 µg/L | 8 µg/L |
| 3 | Loch Lomond Lake | Benton | B | - | 22 µg/L | 8.5 µg/L |
| 4 | Lake Rayburn | Benton | B | - | 22 µg/L | 6.6 µg/L |
| 5 | Lake Windsor | Benton | B | - | 34 µg/L | 9.1 µg/L |
| 6 | Lake Avalon | Benton | B | - | 27 µg/L | 17.5 µg/L |
| 7 | Beaver Lake | Benton | C | 4.6 ft | 25 µg/L | 9.1 µg/L |
| 8 | Swepco Lake | Benton | D | - | 70.5 µg/L | 25.5 µg/L |
| 9 | Crystal Lake | Benton | D | - | 40 µg/L | 35.3 µg/L |
| 10 | Siloam Springs Lake | Benton | D | - | 70 µg/L | 34.4 µg/L |