"Drinking water pollution" has become the most important water environmental problem.

"Drinking water pollution" has become the most important water environmental problem. In recent years, incidents endangering the safety of public drinking water have occurred frequently 2013: Hejiang, Guangxi---Heavy Metal The Beijing-Hangzhou Canal---Chemicals Erik Nur Lake---Petroleum Xiangjiang---Dead Pig Forest---Yueyang Forest&Paper, Baotou Steel Group Tailings Dam , Chenming Paper, Apple foundry (Milk River) 2014: Lanzhou, Gansu---Tap Water Benzene Wuhan Section of Han River-Ammonia Nitrogen Guangdong Shunde Water Source-Heavy Metal Pollution of Wushan Qianzhangyan Reservoir Sewage discharge in Tengger Desert, Inner Mongolia Xiangjiang-Arsenic, 715 times Taoyuan, Hunan-Aluminum Daxin County, Guangxi-Cadmium Antibiotics detected in major rivers across the country in December