Washington County Lake Quality

Minnesota — 31 lakes, average grade C (Fair)

All Lakes in Washington County

Rank	Lake	Grade	Clarity	Phosphorus
1	Square Lake	A	5.18m	8 µg/L
2	White Bear Lake	A	4.57m	15 µg/L
3	Big Carnelian Lake, Washington County, Mn, Usa	A	14.25m	—
4	Little Carnelian Lake	A	6.4m	—
5	Jane Lake	A	4.57m	—
6	Big Marine Lake	A	3.5m	14.5 µg/L
7	Big Carnelian Lake	B	4.42m	—
8	Elmo Lake	B	3.4m	—
9	Lake St. Croix	B	1.6m	18 µg/L
10	Long Lake	C	2.59m	—
11	Battle Creek Lake	C	2.25m	49.5 µg/L
12	Mcdonald Lake	C	1.52m	21 µg/L
13	Legion Pond	C	2.13m	—
14	Sunfish Lake	C	2.59m	—
15	Forest Lake	C	2.44m	—
16	Carver Lake	C	2.6m	31 µg/L
17	Tanners Lake	C	2m	28 µg/L
18	Lily Lake	C	2.65m	—
19	St. Croix Lake	C	2.65m	—
20	St. Croix 1.5 Mi. Upstream of Point Douglas Dr, N of Prescott Lake	C	2.85m	30 µg/L
21	Clear Lake	C	1.9m	33 µg/L
22	Pool #1 of Lake St. Croix	C	1.32m	39.2 µg/L
23	Pool #2 on Lake St. Croix Downstream of I94 Bridge	C	1.53m	39.5 µg/L
24	Pool #4 on Lake St. Croix	C	1.81m	32.9 µg/L
25	St. Croix 3.5 Mi. Downstream of E Chestnut St Lake	C	1.8m	38 µg/L
26	St. Croix 0.3 Mi. Downstream of I-94 Lake	C	1.85m	34 µg/L
27	Unnamed Lake	D	0.5m	33 µg/L
28	Halfbreed Lake	D	1.33m	—
29	Bone Lake	D	1.68m	—
30	Oneka Lake	D	1.33m	—
31	Grey Cloud Slough Lake	F	1m	—