What is the cleanest lake in Dakota County, Minnesota?

Holland Lake in Dakota County has the cleanest nutrient and algae readings in Dakota County, Minnesota, with 27.9 feet of measured water clarity.

How are these rankings calculated?

Nutrients and algae, total phosphorus, nitrogen, chlorophyll-a and turbidity, are read against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown separately. Lakes without enough recent samples are listed without a condition class rather than ranked low. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in Dakota County, Minnesota

Holland Lake in Dakota County leads the rankings on measured clarity and nutrients and 27.9 ft of clarity. Below are the top 34 cleanest monitored lakes in Dakota County, Minnesota, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Holland Lake	Dakota	27.9 ft	14 µg/L	3.5 µg/L
2	O'Brien Lake	Dakota	18 ft	20 µg/L	4.9 µg/L
3	Sunfish Lake	Dakota	9.7 ft	20 µg/L	3.6 µg/L
4	Unnamed Lake	Dakota	6 ft	26 µg/L	7.7 µg/L
5	Lemay Lake	Dakota	6.9 ft	29 µg/L	4.6 µg/L
6	Fish Lake	Dakota	7.2 ft	37 µg/L	9.1 µg/L
7	Blackhawk Lake	Dakota	7.9 ft	28 µg/L	5.3 µg/L
8	Crystal Lake	Dakota	7 ft	27 µg/L	14.4 µg/L
9	Thomas Lake	Dakota	5.6 ft	26.5 µg/L	6.7 µg/L
10	Carlson Lake	Dakota	7.5 ft	26 µg/L	8.2 µg/L
11	Schultz Lake	Dakota	8.5 ft	23 µg/L	9.5 µg/L
12	Mcdonough Lake	Dakota	4.5 ft	30 µg/L	7.7 µg/L
13	East Thomas Lake	Dakota	5.6 ft	27 µg/L	8.5 µg/L
14	Bald Lake	Dakota	5.6 ft	39 µg/L	8.5 µg/L
15	Jensen Lake	Dakota	4.6 ft	28 µg/L	12 µg/L
16	Pitts Lake	Dakota	4.9 ft	43 µg/L	8.2 µg/L
17	Keller Lake	Dakota	4.1 ft	37.5 µg/L	16.5 µg/L
18	Bur Oaks Pond	Dakota	4.6 ft	70 µg/L	9.8 µg/L
19	Gerhardt Lake	Dakota	2 ft	50 µg/L	37 µg/L
20	Augusta Lake	Dakota	0.7 ft	147.5 µg/L	130 µg/L
21	Unn Pond	Dakota	2 ft	135 µg/L	51 µg/L
22	Hilltop Pd Lake	Dakota	3.6 ft	97 µg/L	36.7 µg/L
23	Mccarthy Lake	Dakota	1 ft	195 µg/L	169.5 µg/L
24	Rice Lake	Dakota	-	-	-
25	Alimagnet Lake	Dakota	-	-	-
26	Lac Lavon Lake	Dakota	-	-	-
27	Kingsley Lake	Dakota	-	-	-
28	Black Dog Lake	Dakota	-	-	-
29	Black Dog Lake	Dakota	-	-	-
30	Kegan Lake	Dakota	-	-	-
31	River Lake	Dakota	-	-	-
32	Lake Isabelle	Dakota	-	-	-
33	Mud Hen Lake	Dakota	-	-	-
34	Rogers Lake	Dakota	-	-	-

Ranked List

More Answers for Dakota County, Minnesota