Is Shetek Lake Safe for Swimming?
Shetek Lake in Murray County, Minnesota has a water quality grade of F (Algae-prone). Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom. Water clarity: 1.1 ft visibility. Phosphorus: 102 µg/L. Chlorophyll-a (algae): 31.1 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Algae-prone) |
| Water Clarity (Secchi Depth) | 1.1 ft |
| Phosphorus | 102 μg/L |
| Chlorophyll-a (Algae) | 31.1 μg/L |
| Maximum Depth | 10 ft |
| Location | Murray County, Minnesota |
How does Shetek Lake compare?
With an overall water quality grade of F, Shetek Lake falls below the Minnesota state average of Grade C. It ranks #9 of 9 lakes in Murray County by water quality score.
Water clarity (Secchi depth) sits at 1.1 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 31.1 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.