Cleanest Lakes in Portage County, Wisconsin
Rinehart Lake in Portage County leads the rankings with a water quality grade of A and 19 ft of clarity. Below are the top 12 cleanest monitored lakes in Portage County, Wisconsin, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Rinehart Lake | Portage | A | 19 ft | 13.8 µg/L | - |
| 2 | Lake Emily | Portage | A | 11 ft | 16.9 µg/L | - |
| 3 | Sunset Lake | Portage | A | 13.3 ft | 12 µg/L | - |
| 4 | Onland Lake | Portage | A | 10.5 ft | 11.1 µg/L | - |
| 5 | Glisezinski Lake | Portage | B | 9 ft | 16.4 µg/L | - |
| 6 | Lake Helen | Portage | B | 7.3 ft | 19.3 µg/L | - |
| 7 | Springville Pond | Portage | B | 9 ft | 18.8 µg/L | - |
| 8 | Spring Lake | Portage | B | 8.4 ft | 29.9 µg/L | - |
| 9 | Tree Lake | Portage | B | 7.3 ft | 20.1 µg/L | - |
| 10 | Collins Lake | Portage | C | 6.5 ft | 20.6 µg/L | - |
| 11 | Mcdill Pond | Portage | C | 5 ft | 34.2 µg/L | - |
| 12 | Jordan Pond | Portage | C | 4 ft | 35.6 µg/L | - |