Is Polly Lake Safe for Swimming?
Polly Lake in Lake County, Minnesota has limited nutrient and algae sampling on record. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.. Water clarity: 4.5 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 4.5 ft |
| Maximum Depth | 21 ft |
| Location | Lake County, Minnesota |
How does Polly Lake compare?
Polly Lake is not rated for water quality — it does not have enough recent summer sampling for a readings, so it is not compared with the Minnesota state average.
Water clarity (Secchi depth) sits at 4.5 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.
Watch Polly Lake water quality
Get an email when the clarity or algae readings change. Unsubscribe anytime.