Cleanest Lakes in Mason County, Michigan
Gun Lake Central Basin; Freesoil Township in Mason County leads the rankings with a water quality grade of A and 14 ft of clarity. Below are the top 3 cleanest monitored lakes in Mason County, Michigan, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Gun Lake Central Basin; Freesoil Township | Mason | A | 14 ft | - | 2.2 µg/L |
| 2 | Lower Hamlin Lake North Central Basin South of the Narrows | Mason | A | 13.5 ft | - | 4.1 µg/L |
| 3 | Upper Hamlin Lake West Basin East of the Narrows | Mason | C | 6.5 ft | - | 11.5 µg/L |