Tailings Dams in Florida

Florida has 430 tailings dams, of which 10 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	Pol40	Polk	149	Undetermined	Not Rated
2	Fmcp Cooling Pond Cell A	Polk	145	Significant	Not Rated	1978
3	Pol41	Polk	135	Undetermined	Not Rated
4	Temple Terrace Cell D	Hillsborough	110	Significant	Not Rated	1970
5	Bartow Ne A	Polk	110	Significant	Not Rated	1960
6	Conserv Cooling Pond	Polk	110	Undetermined	Not Rated
7	Temple Terrace (sw)	Hillsborough	108	Significant	Not Rated
8	Do Gypsum	Hamilton	105	Significant	Satisfactory
9	Gibsonton (sw2)	Hillsborough	105	Significant	Not Rated
10	Gibsonton (ne)	Hillsborough	105	Significant	Not Rated
11	Gibsonton (sw1)	Hillsborough	105	Significant	Not Rated
12	Piney Point(2)	Manatee	105	Significant	Not Rated
13	Piney Point(3)	Manatee	105	Significant	Not Rated
14	Piney Point(5)	Manatee	105	Significant	Not Rated
15	Piney Point(6)	Manatee	105	Significant	Not Rated
16	Piney Point(1)	Manatee	105	Significant	Not Rated
17	Piney Point(4)	Manatee	105	Significant	Not Rated
18	Keysville (s)	Polk	105	Significant	Not Rated
19	Mulberry W	Polk	105	Significant	Not Rated
20	Keysville (n)	Polk	105	Significant	Not Rated
21	Keysville (e)	Polk	105	Significant	Not Rated
22	Keysville (w)	Polk	105	Significant	Not Rated
23	Mulberry N	Polk	105	Significant	Not Rated
24	Mulberry N	Polk	105	Significant	Not Rated
25	Mulberry Nw	Polk	105	Significant	Not Rated
26	Mulberry W	Polk	105	Significant	Not Rated
27	Mulberry Ne	Polk	105	Significant	Not Rated
28	Nichols (e)	Polk	105	Significant	Not Rated
29	Mulberry E	Polk	105	Significant	Not Rated
30	Mulberry E	Polk	105	Significant	Not Rated
31	Nichols (w)	Polk	105	Significant	Not Rated
32	Mulberry (ctr)	Polk	105	Significant	Not Rated
33	Bradley Junction Ne	Polk	105	Significant	Not Rated
34	Mulberry S (2)	Polk	105	Significant	Not Rated
35	Nichols (e-center)	Polk	105	Significant	Not Rated
36	Bradley Junction 1	Polk	105	Significant	Not Rated
37	Mulberry W (ctr)	Polk	105	Significant	Not Rated
38	Bradley Junction Nw	Polk	105	Significant	Not Rated
39	Bradley Jxn 4	Polk	105	Significant	Not Rated
40	Nichols (w-center)	Polk	105	Significant	Not Rated
41	Mulberry E	Polk	105	Significant	Not Rated
42	Bradley Junction S	Polk	105	Significant	Not Rated
43	Mulberry S (1)	Polk	105	Significant	Not Rated
44	Keysville (n-center)	Polk	105	Significant	Not Rated
45	Bradley Jxn 2	Polk	105	Significant	Not Rated
46	Bradley Jxn 3	Polk	105	Significant	Not Rated
47	Mulberry S	Polk	105	Significant	Not Rated
48	Bradley Jxn 5	Polk	105	Significant	Not Rated
49	Bradley Jxn 7	Polk	105	Significant	Not Rated
50	Bradley Jxn 6	Polk	105	Significant	Not Rated
51	Bradley Junction N (ctr)	Polk	105	Significant	Not Rated
52	Bradley Junction S (ctr)	Polk	105	Significant	Not Rated
53	Mulberry (7)	Polk	105	Significant	Not Rated
54	Mulberry (2)	Polk	105	Significant	Not Rated
55	Mulberry (4)	Polk	105	Significant	Not Rated
56	Mulberry (8)	Polk	105	Significant	Not Rated
57	Mulberry (12)	Polk	105	Significant	Not Rated
58	Mulberry (11)	Polk	105	Significant	Not Rated
59	Mulberry (9)	Polk	105	Significant	Not Rated
60	Mulberry N	Polk	105	Significant	Not Rated
61	Bradley Junction E (ctr)	Polk	105	Significant	Not Rated
62	Mulberry (1)	Polk	105	Significant	Not Rated
63	Mulberry (3)	Polk	105	Significant	Not Rated
64	Mulberry (10)	Polk	105	Significant	Not Rated
65	Mulberry (6)	Polk	105	Significant	Not Rated
66	Mulberry (5)	Polk	105	Significant	Not Rated
67	Bradley Junction W (ctr)	Polk	105	Significant	Not Rated
68	Main Stack	Hillsborough	103	Significant	Not Rated	1989
69	Gypsum Field Dike	Hillsborough	100	Low	Not Rated	1974
70	Pol18	Polk	92	Undetermined	Not Rated
71	Usac Gypstack Nw Cell	Polk	85	Significant	Not Rated	1962
72	Green Bay Gypstack Cell 1	Polk	85	Significant	Not Rated	1965
73	Temple Terrace Cell E	Hillsborough	80	Significant	Not Rated	1970
74	Temple Terrace Cell G	Hillsborough	80	Significant	Not Rated	1975
75	Settling Area D Dike	Polk	73	Low	Not Rated	1974
76	F3a Four Corners Mine	Manatee	68	Significant	Not Rated	2001
77	F3b Four Corners Mine	Manatee	68	Significant	Not Rated	2005
78	Plant City Cooling Pond	Hillsborough	65	Significant	Not Rated	1990
79	Temple Terrace (ne) A	Hillsborough	65	Significant	Not Rated	1984
80	Temple Terrace (se) Gypstack	Hillsborough	65	Significant	Not Rated	1984
81	Fm 1-2 (fort Meade)	Polk	65	Low	Not Rated	1972
82	Mosaic Csa F5	Hillsborough	62	Significant	Not Rated	2005
83	Mosaic Csa F4b	Hillsborough	62	Significant	Not Rated	2004
84	Mosaic Csa F4a	Hillsborough	62	Significant	Not Rated	2003
85	Pol31	Polk	62	Undetermined	Not Rated
86	Pol37	Polk	61	Undetermined	Not Rated
87	Nichols N-4	Polk	60	Significant	Not Rated	1978
88	Mosaic Green Bay W Central Stack	Polk	60	Significant	Not Rated	1975
89	Payne Creek Settling Area No 5	Polk	59	Low	Not Rated	1971
90	F1 Four Corners Mine	Manatee	58	Significant	Not Rated	1989
91	Payne Creek Settling Area No 4	Polk	58	Low	Not Rated	1969
92	Payne Creek Settling Area No 2	Polk	58	Low	Not Rated	1967
93	Mosaic Csa Fc2c	Hillsborough	57	Significant	Not Rated	1993
94	Mosaic Csa F2c	Hillsborough	57	Significant	Not Rated	1994
95	Mosaic Csa F2d	Hillsborough	57	Significant	Not Rated	1996
96	Mosaic Csa F2b	Hillsborough	57	Significant	Not Rated	1993
97	Sfm1 Mosaic	Polk	57	Significant	Not Rated	1985
98	Sfm2 Mosaic	Polk	57	Significant	Not Rated	1989
99	Payne Creek Settling Area No 3	Polk	56	Low	Not Rated	1968
100	Payne Creek Settling Area No 6	Polk	55	Low	Not Rated	1974

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