How Clean Is Seven Hills Lake?
Seven Hills Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 4.8 ft. Trophic State Index: 54.
Cleanliness Snapshot
| Metric | Seven Hills Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | B |
| Water Clarity (Secchi) | 4.8 ft | — |
| Trophic State Index | 54 | <50 = clean |
How does Seven Hills Lake compare?
Seven Hills Lake's grade of D falls below the Wisconsin state average of B. It ranks #12 of 13 lakes in Putnam County by water quality score.