Tailings Dams in Missouri

Missouri has 59 tailings dams, of which 55 carry a high hazard classification. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted.

#	Dam	County	Height (ft)	Hazard	Condition	Year
1	Brushy Creek Tailings	Reynolds	205	High	Satisfactory	1970
2	Fletcher Tailings Dam	Reynolds	201	High	Unsatisfactory	1965
3	Pea Ridge Tailings Dam	Washington	150	High	Satisfactory	1980
4	Buick Tailings Dam	Reynolds	147	High	Satisfactory	1981
5	Magmont Tailings Dam	Iron	135	High	Satisfactory	1979
6	St. Joe State Park Dam	St. Francois	134	High	Satisfactory	1965
7	Westfork Main Dam	Reynolds	132	High	Satisfactory	1992
8	Sweetwater Tailings Dam	Reynolds	130	High	Satisfactory	1980
9	Old Viburnum Tailings Dam #1	Iron	115	High	Satisfactory	1968
10	Westfork Southeast Dam	Reynolds	115	High	Satisfactory	1992
11	Eshbaugh-martin Dam	Washington	115	High	Satisfactory	1968
12	Dresser No.4 Dam	Washington	105	High	Not Rated	1975
13	National Lead Industries Dam	Washington	99	High	Satisfactory	1959
14	Cadet Mine Tailings Dam	Washington	97	High	Satisfactory	1978
15	Mineral Point #2	Washington	95	High	Satisfactory	1963
16	West Peak Quarry Dam #1	Iron	90	High	Satisfactory	2001
17	Dresser No. 11	Jefferson	90	High	Satisfactory	1975
18	Blackwell Mine Dam	Washington	85	High	Satisfactory	1980
19	Kingston No. 1 Dam	Washington	85	High	Satisfactory	1967
20	Gun Club Lake Dam	Washington	85	High	Unsatisfactory	1962
21	Silver Lake Dam	Jefferson	80	High	Satisfactory	1981
22	King Arthur's Dam	Washington	80	High	Satisfactory	1980
23	Pinson Gravel Company Dam	Washington	79	High	Satisfactory	1973
24	Racola Tailings Dam	Washington	78	High	Satisfactory	1953
25	Desoto Mine Pit & Plant A Dam	Washington	78	High	Satisfactory	1980
26	Cadet No. 2 Dam	Washington	77	High	Satisfactory	1980
27	Keyes Branch Mine Dam	Washington	77	High	Satisfactory	1979
28	Cadet No. 3 Dam	Washington	74	High	Satisfactory	1992
29	Minnetonka Lake Dam	Washington	74	High	Satisfactory	1957
30	Sun Mine Dam	Washington	73	High	Not Rated	1973
31	Big Four Mine Dam	Washington	73	High	Satisfactory	1978
32	Mineral Point #1	Washington	72	High	Satisfactory	1968
33	Black Tailings Dam	Washington	70	High	Satisfactory	1943
34	Carter Lake Dam	Washington	62	Low	Satisfactory	1957
35	Flying "s" Bar Ranch Dam	Washington	62	High	Satisfactory	1977
36	Old Mines Tailings Dam	Washington	61	High	Satisfactory	1980
37	Ditch Creek Dam	Washington	60	High	Satisfactory	1955
38	Leadwood Tailings Dam	St. Francois	58	High	Satisfactory	1925
39	Little Indian Creek Dam	Washington	58	High	Satisfactory	1972
40	Casey Lake Dam	Washington	57	High	Satisfactory	1957
41	Indian Creek Mine Dam - Upper	Washington	56	High	Not Rated	1980
42	Luttrell Lake Upper Dam	Washington	55	Significant	Satisfactory	1934
43	Desoto Pit & Plant B Dam	Washington	54	High	Satisfactory	1980
44	Cadet No. 1 Dam	Washington	53	High	Satisfactory	1968
45	Blue Heron Dam	Washington	51	High	Satisfactory	1969
46	Blackwell Pond Dam	St. Francois	50	High	Satisfactory	1957
47	Old Wolf Dam	Washington	48	High	Satisfactory	1979
48	Richwoods Mine B Dam	Washington	48	High	Unsatisfactory	1943
49	Arnault Branch Mine Dam	Washington	46	High	Satisfactory	1970
50	Dorlac Lake Dam	Washington	45	High	Satisfactory	1941
51	Dresser Ind. Old #1	Washington	45	High	Unsatisfactory	1968
52	Bottom Diggins Dam	Washington	41	High	Satisfactory	1957
53	Madison Mine Main Dam	Madison	40	High	Unsatisfactory	1950
54	Lake Hanna Dam	St. Francois	38	High	Satisfactory	1967
55	Dresser Minerals #7 Dam South (dry)	Washington	35	High	Not Rated	1950
56	Upper Valle Mines Dam	Jefferson	34	High	Not Rated	1958
57	Dresser #1 Dam	Washington	30	High	Not Rated	1968
58	Dresser Minerals No 7 Dam (dry)	Washington	30	Low	Not Rated	1972
59	Unimin Quarry Dam	Jefferson	25	Significant	Not Rated

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