Divide County Lake Quality
North Dakota, 2 lakes, average grade B (Good)
Only 2 lakes in Divide County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. With an average grade of B, Divide County sits comfortably above the North Dakota median.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Skjermo Lake (B); the most-stressed is Baukol-Noonan Dam Lake (B).
Quick Answers for Divide County
Planning a trip? Check special fishing regulations for Skjermo Lake, whether the fish are safe to eat, and the best times to fish — or check the official North Dakota fishing regulations.
Fishing in Divide County
All Lakes in Divide County
| Rank | Lake | Grade | Clarity | Max Depth | Phosphorus |
|---|---|---|---|---|---|
| 1 | Skjermo Lake | B | 7.7 ft | 19 ft | - |
| 2 | Baukol-Noonan Dam Lake | B | 9.7 ft | 28 ft | - |
Other Counties in North Dakota
See how Divide County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 15 states.
Where to stay near Divide County
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Source: EPA National Aquatic Resource Surveys, 2026.