What is the cleanest lake in Ramsey County, Minnesota?

Birch Lake in Ramsey County has the cleanest nutrient and algae readings in Ramsey County, Minnesota, with 5.9 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 Ramsey County, Minnesota

Birch Lake in Ramsey County leads the rankings on measured clarity and nutrients and 5.9 ft of clarity. Below are the top 48 cleanest monitored lakes in Ramsey County, Minnesota, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Birch Lake	Ramsey	5.9 ft	21 µg/L	3.3 µg/L
2	Otter Lake	Ramsey	11.5 ft	22 µg/L	2.7 µg/L
3	Snail Lake	Ramsey	11 ft	20 µg/L	4.5 µg/L
4	Turtle Lake	Ramsey	7.5 ft	22 µg/L	5.2 µg/L
5	East Vadnais Lake	Ramsey	-	23 µg/L	3.3 µg/L
6	Twin Lake	Ramsey	7.5 ft	35 µg/L	8.3 µg/L
7	Mccarron Lake	Ramsey	11.5 ft	30 µg/L	6 µg/L
8	Phalen Lake	Ramsey	8.1 ft	34 µg/L	8.7 µg/L
9	Gem Lake	Ramsey	6.9 ft	36 µg/L	11.6 µg/L
10	Sucker Lake	Ramsey	5.9 ft	37 µg/L	5.7 µg/L
11	Wabasso Lake	Ramsey	13 ft	31 µg/L	5.3 µg/L
12	Deep Lake	Ramsey	3.9 ft	72 µg/L	6.3 µg/L
13	Owasso Lake	Ramsey	7.4 ft	27 µg/L	9.3 µg/L
14	Loeb Lake	Ramsey	11.2 ft	29 µg/L	4 µg/L
15	Black Lake	Ramsey	6.9 ft	36 µg/L	5.3 µg/L
16	Charley Lake	Ramsey	4.6 ft	59 µg/L	8.4 µg/L
17	Round Lake	Ramsey	8 ft	53 µg/L	10.1 µg/L
18	Johanna Lake	Ramsey	6.6 ft	41 µg/L	8 µg/L
19	Bennett Lake	Ramsey	4.9 ft	106 µg/L	20 µg/L
20	Beaver Lake	Ramsey	7.7 ft	45.5 µg/L	9.2 µg/L
21	Island Lake	Ramsey	3.3 ft	69 µg/L	28.6 µg/L
22	Silver Lake	Ramsey	7 ft	52 µg/L	7.5 µg/L
23	Pleasant Lake	Ramsey	5.6 ft	54 µg/L	11.6 µg/L
24	Crosby Lake	Ramsey	6.6 ft	133.5 µg/L	10.9 µg/L
25	South Long Lake	Ramsey	3.9 ft	46 µg/L	22.8 µg/L
26	Wilkinson Lake	Ramsey	3.9 ft	108 µg/L	9.2 µg/L
27	Bald Eagle Lake	Ramsey	5.6 ft	34 µg/L	21.7 µg/L
28	Upper Lake	Ramsey	6.2 ft	188 µg/L	9.7 µg/L
29	Kohlman Lake	Ramsey	3.6 ft	96 µg/L	24 µg/L
30	Wakefield Lake	Ramsey	5.9 ft	53 µg/L	8.5 µg/L
31	Spring Lake	Ramsey	3.1 ft	44 µg/L	23.8 µg/L
32	Gilfillan Lake	Ramsey	3 ft	47 µg/L	28.5 µg/L
33	Gervais Lake	Ramsey	5 ft	39 µg/L	15.5 µg/L
34	Josephine Lake	Ramsey	8.5 ft	42 µg/L	8.7 µg/L
35	Keller Lake	Ramsey	4.3 ft	50 µg/L	15.6 µg/L
36	North Long Lake	Ramsey	2.5 ft	102 µg/L	30.9 µg/L
37	Pike Lake	Ramsey	2.3 ft	124 µg/L	53.6 µg/L
38	Silver Lake	Ramsey	3.6 ft	85 µg/L	39.8 µg/L
39	Goose Lake	Ramsey	0.7 ft	173.5 µg/L	139 µg/L
40	Como Lake	Ramsey	2.5 ft	96 µg/L	42.5 µg/L
41	Vadnais Lake	Ramsey	1 ft	90 µg/L	88.1 µg/L
42	Willow Lake	Ramsey	-	-	-
43	Sandy Lake	Ramsey	-	-	-
44	Pigs Eye Lake	Ramsey	-	-	-
45	Rush Lake	Ramsey	-	-	-
46	Round Lake	Ramsey	-	-	-
47	Marsden Lake	Ramsey	-	-	-
48	Poplar Lake	Ramsey	-	-	-

Ranked List

More Answers for Ramsey County, Minnesota