Is Grafton Millpond Safe for Swimming?
Grafton Millpond in Ozaukee County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Phosphorus: 110 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Phosphorus | 110 μg/L |
| Location | Ozaukee County, Wisconsin |
How does Grafton Millpond compare?
With an overall water quality grade of F, Grafton Millpond falls below the Wisconsin state average of Grade C. It ranks #9 of 9 lakes in Ozaukee County by water quality score.