Is E A Patterson Lake Safe for Swimming?
E A Patterson Lake in Stark County, North Dakota has a water quality grade of C (Fair). Swim with caution, moderate algae may be present. Water clarity: 6 ft visibility. Phosphorus: 246 µg/L. Chlorophyll-a (algae): 15.9 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 6 ft |
| Phosphorus | 246 μg/L |
| Chlorophyll-a (Algae) | 15.9 μg/L |
| Location | Stark County, North Dakota |
How does E A Patterson Lake compare?
With an overall water quality grade of C, E A Patterson Lake matches or beats the North Dakota state average of Grade C. It ranks #1 of 3 lakes in Stark County by water quality score.
Water clarity (Secchi depth) sits at 6 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 15.9 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.
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