As of the 20th of December 2019, 46 per cent of companies contacted responded to the request. 40 of the top 50 mining companies have made disclosures which has resulted in information about thousands of individual tailings dams being made public on company websites. All 23 of 23 publicly owned companies that are members of the International Council on Mining & Metals (ICMM) responded and fully disclosed information about their TSFs.