Rates and Causes of Tailings Dam Failures

Table 2

Estimation of world tailings dams by type.

Type	Number GRIDA	Percentage	Estimated number of world
Upstream	801	41.3	2,584
Centerline	143	7.4	461
Downstream	494	25.5	1,593
Single stage	140	7.2	452
Other	360	18.6	1,161

Estimated number world refers to estimates computed using of 3.23 from Table 1.