Cleanest Lakes in Williams County, North Dakota
Blacktail Dam Lake in Williams County leads the rankings with a water quality grade of C and 7.2 ft of clarity. Below are the top 18 cleanest monitored lakes in Williams County, North Dakota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Blacktail Dam Lake | Williams | C | 7.2 ft | 53 µg/L | 8.6 µg/L |
| 2 | Epping-Springbrook Dam-Deepest Lake | Williams | D | 4.9 ft | 689.5 µg/L | 20.4 µg/L |
| 3 | Lone Tree Lake | Williams | NR | - | - | - |
| 4 | Cottonwood Lake | Williams | NR | - | - | - |
| 5 | Alkali Lake | Williams | NR | - | - | - |
| 6 | Shirley Lake | Williams | NR | - | - | - |
| 7 | Johnny Anderson Slough | Williams | NR | - | - | - |
| 8 | Lake Zahl | Williams | NR | - | - | - |
| 9 | Horseshoe Lake | Williams | NR | - | - | - |
| 10 | Chase Lake State Game Management Area | Williams | NR | - | - | - |
| 11 | Sueet Slough | Williams | NR | - | - | - |
| 12 | Stink Lake | Williams | NR | - | - | - |
| 13 | Twin Lakes | Williams | NR | - | - | - |
| 14 | Green Lake | Williams | NR | - | - | - |
| 15 | Holm Lake | Williams | NR | - | - | - |
| 16 | Peterson Slough | Williams | NR | - | - | - |
| 17 | Tom Berg Lake | Williams | NR | - | - | - |
| 18 | Helle Slough | Williams | NR | - | - | - |
More Answers for Williams County, North Dakota
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