Cleanest Lakes in Nelson County, North Dakota
West Stump Lake in Nelson County leads the rankings with a water quality grade of D and 9.8 ft of clarity. Below are the top 6 cleanest monitored lakes in Nelson County, North Dakota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | West Stump Lake | Nelson | D | 9.8 ft | - | 39.6 µg/L |
| 2 | East Stump Lake | Nelson | D | 8.5 ft | - | 75.3 µg/L |
| 3 | Lake Laretta | Nelson | D | 3.8 ft | 266 µg/L | 21.7 µg/L |
| 4 | Western Stump Lake | Nelson | F | 4.3 ft | 154.5 µg/L | 36.7 µg/L |
| 5 | Eastern Stump Lake | Nelson | F | 4.7 ft | 142 µg/L | 39.1 µg/L |
| 6 | Mchugh Slough Lake | Nelson | F | 1.6 ft | 388.5 µg/L | 88.7 µg/L |