Is Seven Hills Lake Safe for Swimming?
Seven Hills Lake in Putnam County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 4.8 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 4.8 ft |
| Location | Putnam County, Wisconsin |
How does Seven Hills Lake compare?
With an overall water quality grade of D, Seven Hills Lake falls below the Wisconsin state average of Grade B. It ranks #12 of 13 lakes in Putnam County by water quality score.
Water clarity (Secchi depth) sits at 4.8 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.