Safest Lakes to Swim Near Devils Lake
North Dakota
1 lakes within driving distance of Devils Lake, North Dakota pass our swim-safety screen — grade A/B water, low algae, and public access. 0 have direct bacteria (E. coli) testing on record. Filtered for grade A or B water quality, low algae (chlorophyll-a under 15 µg/L), and public access. Always check local advisories on the day you swim.
Lakes near Devils Lake are sparser (1 graded lakes within reach), so the choices are limited. Sweetwater Lake (B) is the standout.
Filtered for swimming, the nearby-lake list narrows further. swimming-specific signals — fish species, public access, depth profile, motor-boat congestion — interact with the LakeGrade rubric in different ways depending on the use case.
| # | Lake | County | Grade | Swim Safety | Distance | Clarity | Depth |
|---|---|---|---|---|---|---|---|
| 1 | Sweetwater Lake | Ramsey | B | Limited data | 6.8 mi | 3 ft | - |
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Source: EPA National Aquatic Resource Surveys, 2026.