Lakes in Day County, South Dakota

36 lakes counted in Day County - the largest is Bitter Lake at 7,865.28 acres.

Lakes Counted

7,865.28 acres

Largest - Bitter Lake

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

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Bitter Lake	Day	7,865.28 acres	-
2	Waubay Lake	Day	5,577.3 acres	-
3	South Waubay Lake	Day	2,334.9 acres	-
4	Enemy Swim Lake	Day	2,170.08 acres	-
5	Long Lake	Day	2,062.06 acres	-
6	Blue Dog Lake	Day	1,495.48 acres	-
7	Goose Lake	Day	1,483.14 acres	-
8	Rush Lake	Day	1,462.86 acres	-
9	Solomon Slough	Day	1,289.82 acres	-
10	Pickerel Lake	Day	995.09 acres	-
11	Spring Lake	Day	984.22 acres	-
12	Campbell Slough	Day	638.41 acres	-
13	Minnewasta Lake	Day	609.61 acres	-
14	Horseshoe Lake	Day	607.13 acres	-
15	Antelope Lake	Day	574.37 acres	-
16	Little Rush Lake	Day	495.94 acres	-
17	Hillebrands Lake	Day	461.59 acres	-
18	Hazelden Lake	Day	319.01 acres	-
19	Lonesome Lake	Day	215.23 acres	-
20	Sweetwater Lake	Day	211.52 acres	-
21	Amsden Lake	Day	208.31 acres	-
22	Foldager Slough	Day	171.74 acres	-
23	Anderson Lake	Day	153.45 acres	-
24	Goose Lake	Day	121.33 acres	-
25	Stangland Slough	Day	117.38 acres	-
26	Holmquist Slough	Day	105.02 acres	-
27	Swan Pond	Day	98.84 acres	-
28	Dahling Slough	Day	94.15 acres	-
29	Headman Slough	Day	91.92 acres	-
30	Bitter Lake	Day	85.5 acres	-
31	Pierpont Lake	Day	76.11 acres	-
32	Mud Lake	Day	62.76 acres	-
33	Buchner Slough	Day	61.78 acres	-
34	Lynn Lake	Day	56.83 acres	-
35	Arneson Slough	Day	53.37 acres	-
36	Phragmites Pond	Day	26.69 acres	-

Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.