Kidder County Lake Quality
North Dakota, 3 lakes, average grade C (Fair)
Only 3 lakes in Kidder 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. The county average is C — the middle of the rubric, with one or two lakes pulling the average up or down depending on year.
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 Lake Williams (B); the most-stressed is Cherry Lake (C).
Quick Answers for Kidder County
Planning a trip? Check special fishing regulations for Lake Williams, whether the fish are safe to eat, and the best times to fish — or check the official North Dakota fishing regulations.
Fishing in Kidder County
All Lakes in Kidder County
| Rank | Lake | Grade | Clarity | Max Depth | Phosphorus |
|---|---|---|---|---|---|
| 1 | Lake Williams | B | 4.7 ft | 30.5 ft | - |
| 2 | Cherry Lake | C | 2.2 ft | 10.7 ft | - |
| 3 | Frettum Dam Lake | C | 2.6 ft | 29.9 ft | - |
Other Counties in North Dakota
See how Kidder 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 Kidder County
Top-rated places to stay near Kidder County
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Source: EPA National Aquatic Resource Surveys, 2026.