A
Polk County Lake Quality
Wisconsin — 31 lakes, average grade A (Excellent)
All Lakes in Polk County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Sunset Lake - | A | 12.5m | 12 µg/L |
| 2 | Lake Emily - Deepest Spot | A | 11m | 16.9 µg/L |
| 3 | Wolf Lake - | A | 8.5m | — |
| 4 | Pickerel Lake - | A | 10m | — |
| 5 | Lake Helen - | A | 8m | 19.4 µg/L |
| 6 | Lake Susan - | A | 8m | — |
| 7 | Adams Lake - | A | 7.25m | — |
| 8 | Ebert Lake - | A | 21m | — |
| 9 | Rinehart Lake | A | 17.5m | 13.8 µg/L |
| 10 | Glisezinski Lake - | A | 9m | 16.4 µg/L |
| 11 | Lake Lime - | A | 10.5m | — |
| 12 | Bear Lake - | A | 13m | — |
| 13 | South Twin Lake - | A | 5m | — |
| 14 | Onland Lake - | A | 10.5m | 11.1 µg/L |
| 15 | Fountain Lake - | A | 22m | — |
| 16 | Springville Pond - | A | 9m | 18.8 µg/L |
| 17 | Thomas Lake - | A | 15m | — |
| 18 | Lake Helen - Lake Helen | A | 7m | 16.1 µg/L |
| 19 | Lake Helen | A | — | 16.1 µg/L |
| 20 | Unnamed Lake - Center of Lake | A | — | 6.5 µg/L |
| 21 | Collins Lake - | A | 5.9m | 20.6 µg/L |
| 22 | Tree Lake - Deepest Spot | A | 7.3m | 20.1 µg/L |
| 23 | Spring Lake - Deepest Spot | A | 8.38m | 29.9 µg/L |
| 24 | Mcdill Pond - Deep Hole - Mid 1/2 Up Dam | B | 5m | 34.2 µg/L |
| 25 | Lake Ell Lake - | B | 3.5m | — |
| 26 | Lake Pacawa - Max Depth | B | 4.5m | — |
| 27 | Lake Helen - Water Quality - West Aerator | B | — | 20.2 µg/L |
| 28 | Joanis Lake - | B | — | 23 µg/L |
| 29 | Jordan Pond - | B | 3.5m | 35.6 µg/L |
| 30 | Amherst Millpond - | C | — | 31.3 µg/L |
| 31 | Culvert on Lake Helen | D | — | 87.1 µg/L |