A herd of sheep grazing near an area suspected to be polluted by manganese residues.
The Hunan Oriental Mining Co. Ltd, in the industrial zone of Huayuan county, Xiangxi autonomous prefecture, Hunan province, is a private enterprise engaged in electrolytic manganese production. Since September 2013, this company has poured many kinds of industrial waste into the tailing ponds. Because of lack of management of the storage tank of the tailings, the toxic wastewater flows into the Huayuan river. 

湖南省湘西自治州花垣县村民在疑似锰渣的污染物附近放羊。
湖南省湘西自治州花垣县工业园区的湖南东方矿业有限责任公司是一家从事电解锰生产的民营企业，公司自2013年9月投产起，将各种工业废料倒入尾库坝内，然而尾库坝设计中的污水存储池由于缺少管理，污水有时仍会流入花垣河。