A
Marinette County Lake Quality
Wisconsin — 27 lakes, average grade A (Excellent)
All Lakes in Marinette County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Thunder Lake - | A | 17.5m | 10.3 µg/L |
| 2 | Bass Lake - | A | 11.25m | — |
| 3 | Lily Lake - | A | 24m | — |
| 4 | Big Newton Lake - | A | 17m | 10.4 µg/L |
| 5 | Lake Noquebay - | A | 7.25m | 19.4 µg/L |
| 6 | Caldron Falls Reservoir - | A | 5.38m | — |
| 7 | Town Corner Lake - | A | 10m | 15 µg/L |
| 8 | Gilas Lake - | A | 14.75m | 12.6 µg/L |
| 9 | Mary Lake - Deepest Part | A | 8.68m | 13 µg/L |
| 10 | Little Newton Lake - | A | 10.5m | 12.8 µg/L |
| 11 | Gilas Lake - Gilas Lake | A | 11.5m | — |
| 12 | Shannon Lake - | A | 7.5m | 18.5 µg/L |
| 13 | Smith Lake - | A | — | 15.6 µg/L |
| 14 | Mary Lake | A | 8.8m | 13.7 µg/L |
| 15 | High Falls Reservoir | A | 9.5m | — |
| 16 | Eagle Lake - Deep Spot | A | 15m | — |
| 17 | Hilbert Lake - | A | 12m | 13.1 µg/L |
| 18 | Sandstone Flowage - Sandstone Flowage Lake | A | 5.5m | — |
| 19 | Oneonta Lake - | A | 7.5m | 13.6 µg/L |
| 20 | Montana Lake - Deep Spot | A | 8m | 17.5 µg/L |
| 21 | King Lake | A | — | 9 µg/L |
| 22 | Little Mccall Lake- Deepest Spot | A | — | 13.8 µg/L |
| 23 | Lost Lake- Deepest Spot | A | — | 13.3 µg/L |
| 24 | Fa1.3_fy23_gb_06 Lake | A | — | 11.8 µg/L |
| 25 | Fa1.3_fy23_gb_08 Lake | A | — | 19.5 µg/L |
| 26 | Fa1.3_fy23_gb_05 Lake | A | — | 15.8 µg/L |
| 27 | Yankee Lake - | B | 3m | 26.5 µg/L |