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此声明中，三座大坝的稳定性条件得到改善，此前在三月份，其稳定性评价为负面，而在第二阶段得到积极评价。
七座上游式尾矿坝已经停用，其稳定性评价仍为负面，由于矿山大坝应急行动计划(PAEBM)的紧急程度2级和3级，其周围居民曾被撤离。
保持负面评价的大坝还有11座，这些大坝全部停用，无需撤离周围居民。
上述稳定程度评价为负面的尾矿坝不会影响淡水河谷铁矿石(包括球团)的2019年预测销售量，仍维持在3.07至3.32亿吨之间，2019预计销量将处于该范围的中间值。
