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

← All dams in Florida · Tailings Dams nationwide