C
Columbia County Lake Quality
Wisconsin — 15 lakes, average grade C (Fair)
All Lakes in Columbia County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Swan Lake - | A | 4.75m | — |
| 2 | Silver Lake West Basin - | A | 9.25m | 23.2 µg/L |
| 3 | Silver Lake - East | B | 9m | 32.2 µg/L |
| 4 | Lake Wisconsin - Okee Bridge | C | 2.5m | — |
| 5 | Lake Wisconsin Columbia Co. - Turtle | C | 2.05m | — |
| 6 | Lake Wisconsin - Betw. Stoners Bay And Pine Bluff | C | 2.75m | — |
| 7 | Lake Wisconsin - Sticky Bay - | C | 2.5m | — |
| 8 | Lake Wisconsin Columbia Co. - Sunset | C | 2.35m | — |
| 9 | Lake Wisconsin - Just W of Whalen Grade | C | 2.88m | — |
| 10 | Lake Wisconsin - Upper Reach of Reservoir | C | 2.9m | — |
| 11 | Lazy Lake - | C | 4m | 269 µg/L |
| 12 | Spring Lake - | D | 2m | 83.3 µg/L |
| 13 | Lake Wisconsin Whalen'S Grade | D | 2m | — |
| 14 | Park Lake - | D | — | 82.4 µg/L |
| 15 | Wyona Lake - | D | — | 86.1 µg/L |