Lakes / Minnesota / Washington County

Lakes in Washington County, Minnesota

41 lakes counted in Washington County - the largest is St. Croix River-Stlwtr-Prescott at 8,393 acres.

Lakes Counted

8,393 acres

Largest - St. Croix River-Stlwtr-Prescott

140 ft

Deepest - Elmo

Washington County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	St. Croix River-Stlwtr-Prescott	Washington	8,393 acres	78 ft
2	White Bear	Washington	2,428 acres	83 ft
3	Forest	Washington	2,271 acres	37 ft
4	Big Marine	Washington	1,799 acres	60 ft
5	Big Carnelian	Washington	457 acres	66 ft
6	Clear	Washington	429 acres	28 ft
7	Elmo	Washington	257 acres	140 ft
8	Bone	Washington	221 acres	30 ft
9	Square	Washington	203 acres	68 ft
10	Jane	Washington	158 acres	39 ft
11	DeMontreville	Washington	157 acres	24 ft
12	Little Carnelian	Washington	137 acres	68 ft
13	Sunset	Washington	133 acres	17 ft
14	Battle Creek	Washington	106 acres	15.3 ft
15	Long	Washington	102 acres	22 ft
16	South School Section	Washington	95 acres	26 ft
17	Keewahtin	Washington	92 acres	34 ft
18	Olson	Washington	87 acres	15 ft
19	Edith	Washington	81 acres	43 ft
20	Goose	Washington	76 acres	25 ft
21	Horseshoe	Washington	75 acres	11.3 ft
22	Tanners	Washington	74 acres	46 ft
23	Colby	Washington	71 acres	11 ft
24	Long	Washington	71 acres	12 ft
25	Long	Washington	63 acres	34 ft
26	Powers	Washington	58 acres	41 ft
27	Long	Washington	53 acres	25 ft
28	Loon	Washington	53 acres	15 ft
29	Carver	Washington	50 acres	36 ft
30	West Boot	Washington	50 acres	34 ft
31	McKusick	Washington	49 acres	-
32	East Boot	Washington	47 acres	27 ft
33	Sand	Washington	47 acres	18 ft
34	Cloverdale	Washington	45 acres	28 ft
35	Lily	Washington	44 acres	51 ft
36	Clear	Washington	42 acres	27 ft
37	Mays	Washington	40 acres	25 ft
38	Shields	Washington	30 acres	27 ft
39	Alice	Washington	26 acres	9 ft
40	Lost	Washington	22 acres	26 ft
41	Fish	Washington	21 acres	34 ft

Sources: Minnesota DNR lake data; USGS. Verified October 30, 2026.