Is Lake St. Croix Safe for Swimming?
Lake St. Croix in Washington County, Minnesota has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 5.2 ft visibility. Phosphorus: 18 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 5.2 ft |
| Phosphorus | 18 μg/L |
| Maximum Depth | 78 ft |
| Location | Washington County, Minnesota |