Livingston County Lake Quality

Wisconsin, 20 lakes, average grade B (Good)

There are 20 graded lakes in Livingston County. The mix is varied enough that the county-level average tells you the broad strokes, not the choose-this-cabin specifics. With an average grade of B, Livingston County sits comfortably above the Michigan median.

The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Cordley Lake Central Basin; Hamburg Township (A); the most-stressed is Earl Lake (D).

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Quick Answers for Livingston County

Cleanest lakes in Livingston County →Cleanest lakes in Wisconsin →Safest swimming lakes in Wisconsin →

Planning a trip? Check special fishing regulations for Cordley Lake Central Basin; Hamburg Township, whether the fish are safe to eat, and the best times to fish — or browse the full Wisconsin regulations index.

All Lakes in Livingston County

Rank	Lake	Grade	Clarity	Max Depth	Phosphorus
1	Cordley Lake Central Basin; Hamburg Township	A	-	-	-
2	Ore Lake West Basin; Hamburg Township	A	10 ft	-	-
3	Portage Lake	B	13 ft	-	-
4	Clark Lake Central Basin; Brighton Township	B	12 ft	-	-
5	Clark Lake	B	12 ft	-	-
6	Oneida Lake East Central Basin	B	8.5 ft	-	-
7	Whitewood Lake	B	10.5 ft	-	-
8	Base Line Lake Northeast Basin; Hamburg Township	B	10.5 ft	-	-
9	Whitewood Lakes	B	10.5 ft	-	-
10	Bass Lake	B	9.5 ft	-	-
11	Whitmore Lake	C	9 ft	-	-
12	Whitmore Lake Northeast Basin; Green Oak Township Sec32	C	9 ft	-	-
13	Tamarack Lake	C	8 ft	-	-
14	Tamarack Lake North Basin; Hamburg Township	C	7 ft	-	-
15	Oneida Lake	C	8 ft	-	-
16	Bass Lake	C	9.5 ft	-	-
17	Triangle Lake	C	9.5 ft	-	-
18	Bennett Lake; Deep Basin; Deerfield Township	C	9.5 ft	-	-
19	Earl Lake Central Basin	C	5.5 ft	-	-
20	Earl Lake	D	5.5 ft	-	-

Source: EPA National Aquatic Resource Surveys, 2026.