Tailings Dams

1,362 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Mobil Scrubber Pond Polk	Significant Hazard	25 ft	1975	Earth	Florida
Moccasin Hollow Impoundment Boone	High Hazard	310 ft	1999	Other	West Virginia
Module No. 1 Knox	Low Hazard	100 ft	—	Earth	Kentucky
Module No. 5 Whitley	Low Hazard	40 ft	—	Earth	Kentucky
Module No. 6 Whitley	Low Hazard	40 ft	—	Earth	Kentucky
Module No. 7 Knox	Low Hazard	40 ft	—	Earth	Kentucky
Momentive Landfill #2 Dam Tyler	High Hazard	121 ft	—	Rockfill	West Virginia
Monclo Cr Impoundment Dam	High Hazard	—	—	Other	West Virginia
Montezuma Solano	Low Hazard	14 ft	2003	Earth	California
Montezuma/Club Island Wwt Lagoons Mercer	Significant Hazard	17 ft	1985	Earth	Ohio
Montgomery Dam Marion	Significant Hazard	30 ft	1966	Earth	Kentucky
Monticello Millsite Pond #4 San Juan	Low Hazard	—	—	Earth	Utah
Morning Star Placer	Low Hazard	44 ft	1870	Earth	California
Mosaic Csa Bf2 Hillsborough	Significant Hazard	35 ft	1980	Earth	Florida
Mosaic Csa Bf3 Hillsborough	Significant Hazard	50 ft	1984	Earth	Florida
Mosaic Csa Bf4 Hillsborough	Significant Hazard	40 ft	1991	Earth	Florida
Mosaic Csa F2a Hillsborough	Significant Hazard	40 ft	1986	Earth	Florida
Mosaic Csa F2b Hillsborough	Significant Hazard	55 ft	1993	Earth	Florida
Mosaic Csa F2c Hillsborough	Significant Hazard	55 ft	1994	Earth	Florida
Mosaic Csa F2d Hillsborough	Significant Hazard	55 ft	1996	Earth	Florida
Mosaic Csa F4a Hillsborough	Significant Hazard	60 ft	2003	Earth	Florida
Mosaic Csa F4b Hillsborough	Significant Hazard	60 ft	2004	Earth	Florida
Mosaic Csa F5 Hillsborough	Significant Hazard	60 ft	2005	Earth	Florida
Mosaic Csa Fc2c Hillsborough	Significant Hazard	55 ft	1993	Earth	Florida
Mosaic Green Bay W Central Stack Polk	Significant Hazard	55 ft	1975	Earth	Florida
Mosaic Potash Carlsbad Clay Settling Dam Eddy	Low Hazard	17 ft	2005	Earth	New Mexico
Moss No 3 Dam 3 Russell	Unknown	173 ft	—	Earth	Virginia
Moss No. 3 Third Dam Russell	Unknown	216 ft	—	Earth	Virginia
Mt Tunnels Tailings Dam Jefferson	High Hazard	—	—	—	Montana
Mulberry (1) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (10) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (11) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (12) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (2) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (3) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (4) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (5) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (6) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (7) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (8) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (9) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry (Ctr) Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry E Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry E Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry E Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry N Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry N Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry N Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry Ne Polk	Significant Hazard	100 ft	—	Earth	Florida
Mulberry Nw Polk	Significant Hazard	100 ft	—	Earth	Florida