What lakes are in the Lower Fox-Wolf (Lake Winnebago Pool)?

25 monitored lakes drain through the Lower Fox-Wolf (Lake Winnebago Pool), including Oneida Lake, Long Lake, Rush Lake, and others. The watershed spans Wisconsin.

What is the cleanest lake in the Lower Fox-Wolf (Lake Winnebago Pool)?

Oneida Lake in Outagamie County has the most favourable nutrient and algae readings in the Lower Fox-Wolf (Lake Winnebago Pool).

What is a HUC8 watershed?

HUC8 (Hydrologic Unit Code, 8-digit) is the USGS classification for "subbasins" — the level at which major named river systems are usually identified. The Lower Fox-Wolf (Lake Winnebago Pool) corresponds to HUC8 04030204.

Lower Fox-Wolf (Lake Winnebago Pool), Lakes & Water Quality

Lake Winnebago and the Fox-Wolf system in east-central Wisconsin — the largest inland lake in Wisconsin and a major fishery.

Reviewed by LakeQuality Editorial Team · Updated Aug 26, 2026

Counties in this watershed

Winnebago, Calumet, Fond du Lac, Outagamie

Monitored Lakes (25)

#	Lake	County	Clarity	Area	Depth
1	Oneida Lake	Outagamie	-	12 acres	-
2	Long Lake	Fond du Lac	9.1 ft	423 acres	47 ft
3	Rush Lake	Winnebago	3.2 ft	2,729 acres	5 ft
4	Wolf Lake	Fond du Lac	5 ft	75 acres	47 ft
5	Forest Lake	Fond du Lac	14 ft	51 acres	32 ft
6	Auburn Lake	Fond du Lac	7.6 ft	90 acres	29 ft
7	Kettle Moraine Lake	Fond du Lac	11 ft	209 acres	30 ft
8	De Neveu Lake	Fond du Lac	11 ft	80 acres	67 ft
9	Mauthe Lake	Fond du Lac	6 ft	70 acres	23 ft
10	Bernice Lake	Fond du Lac	6.5 ft	32 acres	11 ft
11	Beckers Lake	Calumet	1.5 ft	35 acres	52.5 ft
12	Chilton Millpond	Calumet	2.9 ft	11 acres	7 ft
13	Little Lake Butte des Morts	Winnebago	2 ft	1,200 acres	18 ft
14	Giltners Lake	Fond du Lac	-	16 acres	13 ft
15	Lake Winneconne	Winnebago	2.5 ft	4,553 acres	9 ft
16	Lake Butte des Morts	Winnebago	2.3 ft	8,581 acres	9 ft
17	Lake Poygan	Winnebago	2.5 ft	14,024 acres	11 ft
18	Dickman Lake	Fond du Lac	-	6 acres	12 ft
19	Mullet Lake	Fond du Lac	-	190 acres	7 ft
20	Spruce Lake	Fond du Lac	-	30 acres	-
21	Birchwood Lake	Fond du Lac	-	31 acres	-
22	Mud Lake	Fond du Lac	-	48 acres	17 ft
23	Black Otter Lake	Outagamie	-	78 acres	9 ft
24	Grass Lake	Calumet	-	28 acres	-
25	Lake Winnebago	Winnebago	-	131,995 acres	21 ft