water pollution source

基本解释

Chemicals residua in this waste water is a pollution source.
制革废水中的污染物源于材料的残余。
Non-point pollution as one of the most important water pollution source has already become the research focus in the field of environmental pollution control.
农业非点源污染作为我国地表水的主要污染来源已经成为环境科技领域关注与研究的热点问题。
The article analyzes the operation status of water pollution source online monitoring system at present in China, points out that it is necessary to push the third party to operate and manage.
文章分析了目前我国水污染源在线监测系统的运营现状，指出推行第三方运营管理是十分必要的。

In developing countries, the main source of water pollution is not stormwater,but waste water.

These bills will curb lead levels in water pipes, a major source of harmful lead exposure for children, and help address diesel engine pollution that is linked to serious health conditions like asthma and heart and lung disease.
WHITEHOUSE: Council on Environmental Quality Blog