Is North Center Lake Safe for Swimming?
North Center Lake in Chisago County, Minnesota has a water quality grade of C (Fair). Swim with caution, moderate algae may be present. Water clarity: 3.5 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 16 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 3.5 ft |
| Phosphorus | 40 μg/L |
| Chlorophyll-a (Algae) | 16 μg/L |
| Maximum Depth | 46 ft |
| Location | Chisago County, Minnesota |
How does North Center Lake compare?
With an overall water quality grade of C, North Center Lake matches or beats the Minnesota state average of Grade C. It ranks #19 of 31 lakes in Chisago County by water quality score.
Water clarity (Secchi depth) sits at 3.5 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 16 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.