Rates and Causes of Tailings Dam Failures

Table 3

Estimation of United States tailings dams by type.

Type	Number GRIDA	Percentage	Estimated number in United States
Upstream	133	50.6	624
Centerline	19	7.2	89
Downstream	62	23.6	291
Single stage	18	6.8	84
Other	31	11.8	145

Estimated number in United States refers to estimates computed using from Table 1.