Lakes / South Dakota / Largest Lakes in South Dakota

Largest Lakes in South Dakota

Ranked by surface area, from USGS National Hydrography Dataset lake data. Flowages and reservoirs count here - size is size - and each is labeled in its own record.

#	Lake	County	Surface Area	Max Depth
1	Lake Oahe	Dewey	309,912.57 acres	-
2	Lake Francis Case	Charles Mix	82,166.92 acres	-
3	Lake Sharpe	Hughes	58,419.67 acres	-
4	Lewis and Clark Lake	Bon Homme	25,141.99 acres	-
5	Lake Thompson	Kingsbury	13,887.93 acres	-
6	Lake Traverse	Roberts	10,747.48 acres	-
7	Lake Poinsett	Hamlin	9,794.52 acres	-
8	Bitter Lake	Day	7,865.28 acres	-
9	Columbia Road Reservoir	Brown	7,074.89 acres	-
10	Dry Lake Number Two	Clark	6,441.66 acres	-
11	Belle Fourche Reservoir	Butte	6,106.2 acres	-
12	Waubay Lake	Day	5,577.3 acres	-
13	Lake Kampeska	Codington	5,066.63 acres	-
14	Lake Andes	Charles Mix	4,755.54 acres	-
15	Angostura Reservoir	Fall River	4,752.71 acres	-
16	Lake Whitewood	Kingsbury	4,465.31 acres	-
17	Shadehill Reservoir	Perkins	3,801.22 acres	-
18	Lake Albert	Kingsbury	3,655.43 acres	-
19	Lake Marsh	Hamlin	3,025.76 acres	-
20	Pelican Lake	Codington	2,801.19 acres	-
21	Lake Madison	Lake	2,763.52 acres	-
22	Long Lake	Codington	2,488.72 acres	-
23	Swan Lake	Walworth	2,467.35 acres	-
24	Dry Lake Number One	Clark	2,460.51 acres	-
25	South Waubay Lake	Day	2,334.9 acres	-
26	Lake Henry	Kingsbury	2,226.79 acres	-
27	Enemy Swim Lake	Day	2,170.08 acres	-
28	Long Lake	Day	2,062.06 acres	-
29	Buffalo Lakes	Marshall	1,986.48 acres	-
30	Goose Lake	Codington	1,947.84 acres	-
31	Roy Lake	Marshall	1,926.19 acres	-
32	Lake Byron	Beadle	1,798.43 acres	-
33	Lake Sinai	Brookings	1,789.59 acres	-
34	White Lake	Aurora	1,693.93 acres	-
35	Opitz Lake	Marshall	1,664.01 acres	-
36	Grass Lake	Codington	1,610.14 acres	-
37	Parsons Pass	Marshall	1,582.71 acres	-
38	Lake Hendricks	Brookings	1,528.59 acres	-
39	Blue Dog Lake	Day	1,495.48 acres	-
40	Goose Lake	Day	1,483.14 acres	-
41	Rush Lake	Day	1,462.86 acres	-
42	Cottonwood Lake	Spink	1,433.21 acres	-
43	Lake Pocasse	Campbell	1,370.69 acres	-
44	Solomon Slough	Day	1,289.82 acres	-
45	Lake Herman	Lake	1,283.22 acres	-
46	Lake Saint John	Hamlin	1,271.11 acres	-
47	Elm Lake	Brown	1,225.4 acres	-
48	Clear Lake	Marshall	1,198.96 acres	-
49	Piyas Lake	Marshall	1,154.97 acres	-
50	Green Lake	Potter	1,153.48 acres	-
51	Lake Tetonkaha	Brookings	1,126.56 acres	-
52	Spirit Lake	Kingsbury	1,066.01 acres	-
53	Lake Alice	Deuel	1,058.09 acres	-
54	Reid Lake	Clark	1,045.61 acres	-
55	Brant Lake	Lake	1,033.39 acres	-
56	Drywood Lakes	Roberts	1,026.97 acres	-
57	Stone Lake	Sully	1,023.51 acres	-
58	Twin Lakes	Spink	999.05 acres	-
59	Pickerel Lake	Day	995.09 acres	-
60	Spring Lake	Day	984.22 acres	-
61	Platte Lake	Aurora	966.18 acres	-
62	Lake Nicholson	Codington	946.66 acres	-
63	Swan Lake	Clark	936.31 acres	-
64	North Scatterwood Lake	Edmunds	931.83 acres	-
65	Round Lake	Deuel	931.09 acres	-
66	Lake Oakwood	Brookings	866.35 acres	-
67	Pactola Reservoir	Pennington	840.65 acres	-
68	Richmond Lake	Brown	810.01 acres	-
69	Fish Lake	Deuel	737.12 acres	-
70	South Scatterwood Lake	Faulk	727.32 acres	-
71	Lake Norden	Hamlin	711.66 acres	-
72	Clear Lake	Hamlin	705.73 acres	-
73	Lake Parmley	Edmunds	696.84 acres	-
74	Wigdale Lake	Deuel	692.39 acres	-
75	Sumner Slough	Codington	682.25 acres	-
76	Spring Lake	Walworth	677.81 acres	-
77	Lake Mitchell	Davison	669.16 acres	-
78	Horseshoe Lake	Codington	642.97 acres	-
79	Campbell Slough	Day	638.41 acres	-
80	Baxter Slough	Hamlin	637.45 acres	-
81	South Red Iron Lake	Marshall	623.94 acres	-
82	Wolf Slough	Codington	620.4 acres	-
83	Minnewasta Lake	Day	609.61 acres	-
84	Horseshoe Lake	Day	607.13 acres	-
85	Cottonwood Lake	Roberts	597.25 acres	-
86	Cottonwood Lake	Codington	594.85 acres	-
87	Flight Lake	Potter	581.93 acres	-
88	Horse Shoe Lake	Aurora	581.69 acres	-
89	Antelope Lake	Day	574.37 acres	-
90	East Vermillion Lake	McCook	569.27 acres	-
91	Little White River Pool Reservoir	Bennett	569.08 acres	-
92	Spring Lake	Hand	553.76 acres	-
93	Mitchell Lake	Hyde	551.54 acres	-
94	Oglala Lake	Shannon	549.32 acres	-
95	Clear Lake	Deuel	527.57 acres	-
96	Lake Henry	Lake	517.47 acres	-
97	Lake Badger	Kingsbury	496.19 acres	-
98	Little Rush Lake	Day	495.94 acres	-
99	Bullhead Lake	Roberts	494.46 acres	-
100	Clear Lake	Minnehaha	491.58 acres	-

Showing the top 100 of 533 counted lakes. Search above, or browse by county on the South Dakota page, for the full inventory.

Source: USGS National Hydrography Dataset lake data. Verified October 30, 2026. New lakes are added as their records are verified - rankings update with every addition.