The Chinese government will launch a second national pollution source survey in 2017, according to a circular released by the State Council on Oct 26.

A leading group will be set up for the survey, with Vice-Premier Zhang Gaoli as the leader.

Contents of the survey include the number, distribution of industry and region of pollution sources in China; the category, generation and discharge of pollutants, and information about pollution control facilities.

In addition, a database of pollution sources will be set up, according to the circular.

Pollution sources listed in the survey include industrial pollution, agricultural pollution and daily life pollution.

The survey is necessary for an accurate understanding of China’s environment and targeted policymaking on environmental protection and social and economic development, said the circular.

Preparations for the survey, including planning, test surveys and training, will start in 2016. The survey is expected to be finished by the end of 2018.

The first national pollution source survey was launched in 2007, with data collected from more than 5.9 million sources.