Cleanest Lakes in Franklin County, Massachusetts
Sherman Reservoir in Franklin County leads the rankings with a water quality grade of A. Below are the top 1 cleanest monitored lakes in Franklin County, Massachusetts, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Sherman Reservoir | Franklin | A | - | 9.7 µg/L | 1.9 µg/L |