Lower Fox-Wolf (Lake Winnebago Pool)
Wisconsin · 18 monitored lakes · 4 grade A · 2 grade B · HUC8 04030204
Lake Winnebago and the Fox-Wolf system in east-central Wisconsin — the largest inland lake in Wisconsin and a major fishery.
Counties in this watershed
Winnebago, Calumet, Fond du Lac, Outagamie
Monitored Lakes (18)
| # | Lake | County | Grade | Clarity | Area | Depth |
|---|---|---|---|---|---|---|
| 1 | Oneida Lake | Outagamie | A | - | - | - |
| 2 | Forest Lake | Fond du Lac | A | 14 ft | - | - |
| 3 | Kettle Moraine Lake | Fond du Lac | A | 11 ft | - | - |
| 4 | De Neveu Lake | Fond du Lac | A | 11 ft | - | - |
| 5 | Long Lake | Fond du Lac | B | 9.1 ft | 427 acres | - |
| 6 | Auburn Lake | Fond du Lac | B | 7.6 ft | - | - |
| 7 | Rush Lake | Winnebago | C | 3.2 ft | - | - |
| 8 | Wolf Lake | Fond du Lac | C | 5 ft | - | - |
| 9 | Mauthe Lake | Fond du Lac | C | 6 ft | - | - |
| 10 | Bernice Lake | Fond du Lac | D | 6.5 ft | 35 acres | - |
| 11 | Lake Winneconne | Winnebago | F | 2.4 ft | - | - |
| 12 | Lake Butte des Morts | Winnebago | F | 2.3 ft | - | - |
| 13 | Lake Poygan | Winnebago | F | 2.5 ft | - | - |
| 14 | Beckers Lake | Calumet | F | 1.5 ft | - | - |
| 15 | Chilton Millpond | Calumet | F | 2.9 ft | 46 acres | - |
| 16 | Dickman Lake | Fond du Lac | F | 3 ft | - | - |
| 17 | Little Lake Butte des Morts | Winnebago | F | 2 ft | 582 acres | - |
| 18 | Giltners Lake | Fond du Lac | F | - | - | - |
Source: EPA National Aquatic Resource Surveys, 2026.