Cleanest Lakes in Indiana
Grand Calumet Lagoon Lake in Lake County leads the rankings with a water quality grade of B. Below are the top 1 cleanest monitored lakes in Indiana, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Grand Calumet Lagoon Lake | Lake | B | - | 39 µg/L | 3.1 µg/L |