Cleanest Lakes in Milwaukee County, Wisconsin
Milwaukee Harbor Lake in Milwaukee County leads the rankings with a water quality grade of C and 8.2 ft of clarity. Below are the top 9 cleanest monitored lakes in Milwaukee County, Wisconsin, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Milwaukee Harbor Lake | Milwaukee | C | 8.2 ft | - | 14 µg/L |
| 2 | Milwaukee Harbor Lake | Milwaukee | C | 8.5 ft | - | 14 µg/L |
| 3 | Milwaukee Harbor Lake | Milwaukee | C | 8.2 ft | - | 18 µg/L |
| 4 | Milwaukee Harbor Lake | Milwaukee | C | 6.6 ft | - | 14.5 µg/L |
| 5 | Milwaukee River Lake | Milwaukee | C | 4.9 ft | - | 15 µg/L |
| 6 | Milwaukee Harbor Lake | Milwaukee | C | 7.5 ft | - | 26 µg/L |
| 7 | Milwaukee Harbor North Half Lake | Milwaukee | C | 7.2 ft | - | 26 µg/L |
| 8 | Milwaukee Harbor South Half Lake | Milwaukee | D | 7.4 ft | - | 31 µg/L |
| 9 | Milwaukee Harbor Lake | Milwaukee | D | 6.6 ft | - | 23 µg/L |