Some possible solutions to solve this problem likes people are becoming more and more aware of protecting their living environment, enterprises should have tanks treating wastewater before being discharged into the environment, authorities, unions should regularly urge companies to be inspected to avoid for-profit situations where companies do not comply with environmental protection laws, in addition, people should also protect their family's health by the family's well water filtration system, water treatment machine to be able to completely eliminate the contaminants, toxic substances, heavy metals. ... create pure water to drink water, directly without cooking, above are the causes of pollution of the current water environment.

first, companies musn't release industrial waste. if not, they will be fined 

second, the government should increase awareness for citizens about water pollution of consequences.

finally, the authorities should install the fixed systems in everywhere has lake or river.