Flood Control Dams in South Dakota

South Dakota has 58 flood control dams, of which 8 carry a high hazard classification. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate.

#	Dam	County	Height (ft)	Hazard	Condition	Year
1	Oahe Dam - Fort Yates Flood Protection Project	Sioux	245	High	Not assessed	1966
2	Big Bend Dam	Lyman	205	High	Not assessed	1963
3	Fort Randall Dam	Charles Mix	170	High	Not assessed	1954
4	Shadehill Dam	Perkins	145	High	Not assessed	1951
5	Cold Brook Dam	Fall River	130	High	Not assessed	1953
6	Cottonwood Springs Dam	Fall River	123	High	Not assessed	1969
7	Richmond Hill	Lawrence	79	Low	Not assessed	1988
8	Gavins Point Dam - Yankton Dam	Yankton	74	Low	Not assessed	1958
9	Wild Rice Creek No. 3	Marshall	66	Low	Not assessed	1961
10	Marty Mission	Charles Mix	65	Low	Not assessed	1938
11	Spring-bull 1	Charles Mix	64	Significant	Not assessed	1973
12	Spring-bull 2c	Charles Mix	54	Significant	Not assessed	1982
13	Bh Rc&d Grade Structure Bh Ca-305.3-la	Lawrence	50	Low	Not assessed	1976
14	Lakota Dam	Lincoln	46	Low	Not assessed	1967
15	MUD Creek Dt Dam M-1	Grant	44	Low	Not assessed	1972
16	Pattee Creek No. 2	Lincoln	42	Low	Not assessed	1969
17	Red Dale Gulch	Pennington	42	High	Fair	1959
18	East Vermillion	McCook	41	Low	Not assessed	1958
19	Wild Rice Creek No. 2	Marshall	40	Low	Not assessed	1960
20	Newell	Butte	38	Low	Not assessed	1958
21	Spring-bull 3	Charles Mix	38	Low	Not assessed	1973
22	Alvin	Lincoln	36	Low	Not assessed	1954
23	Wild Rice Creek No. 7	Marshall	36	Low	Not assessed	1960
24	Wild Rice Creek No. 5	Marshall	35	Low	Not assessed	1961
25	Pattee Creek No. 3	Lincoln	34	Low	Not assessed	1961
26	Rude Hasvold Road Dam	Grant	32	Significant	Not assessed	1970
27	Upper Deer Creek-lake Hendricks Watershed (udclh) 1-c	Brookings	30	Low	Not assessed	1970
28	Brule Creek No. 36	Union	30	Low	Not assessed	1966
29	Lake Herman Mip #3	Lake	29	Low	Not assessed	1981
30	Scott Creek Watershed No. 11	Union	29	Low	Not assessed	1955
31	Brule Creek No. 26	Union	29	Low	Not assessed	1966
32	Staum	Beadle	28	Low	Not assessed	1934
33	Pattee Creek No. 4	Lincoln	27	Low	Not assessed	1975
34	Brule Creek No. 7	Lincoln	27	Low	Not assessed	1975
35	Sioux Falls Diversion Weir	Minnehaha	27	Significant	Not assessed	1960
36	Silver Creek No. 2	Minnehaha	27	Low	Not assessed	1963
37	Silver Creek No. 3	Minnehaha	27	Low	Not assessed	1973
38	Scott Creek Watershed No. 3	Union	27	Low	Not assessed	1955
39	Valburg #1	Jones	26	Low	Not assessed	1976
40	Silver Creek No. 4	Minnehaha	26	Low	Not assessed	1963
41	Brule Creek No. 1	Lincoln	25	Low	Not assessed	1966
42	Brule Creek Watershed No. 16	Union	25	Low	Not assessed	1962
43	Brule Creek Watershed No. 17	Union	25	Low	Not assessed	1963
44	Pierpont	Day	24	Low	Not assessed	1937
45	Brule Creek No. 4	Lincoln	24	Low	Not assessed	1967
46	Fischbach	Meade	24	Low	Not assessed	1973
47	Silver Creek No. 6	Minnehaha	24	Low	Not assessed	1973
48	Silver Creek No. 5	Minnehaha	22	Low	Not assessed	1960
49	Brule Creek No. 15	Union	22	Low	Not assessed	1971
50	Lake Herman Mip #2	Lake	21	Low	Not assessed	1980
51	Sioux Falls Diversion	Minnehaha	21	Significant	Not assessed	1960
52	Silver Creek No. 1	Minnehaha	21	Low	Not assessed	1960
53	Lake Pelican Flood Control Dam	Codington	20	Low	Not assessed	2003
54	Vig Dt Dam	Meade	20	Low	Not assessed	1973
55	Browns Valley Diversion Dam	Roberts	20	Significant	Not assessed	2010
56	Lake Herman Mip #1	Lake	18	Low	Not assessed	1980
57	Ponca Right Dike	Gregory	15	High	Satisfactory	1994
58	Ethan	Hanson	15	Low	Not assessed	1936

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