Has the water source of the Hanjiang River cloud and poisonous land been treated?

The cloud and poisonous water sources in Hanjiang River have been well controlled. As the Hubei provincial government invested 3 billion yuan to carry out a large-scale battle to protect and control the water source of Hanjiang River, including the water source control of Hanjiang River cloud and toxic land, after years of efforts, the water quality of Hanjiang River cloud and toxic land has been effectively improved, and remarkable results have been achieved in the control work, and the water source of Hanjiang River cloud and toxic land has been well controlled.