What is the difference between water and sewage in Hefei?

Different water sources have different uses.

1, water sources are different, Hefei water refers to drinking water in Hefei water supply network, while sewage refers to wastewater in Hefei sewage network.

2. Different uses, Hefei water has reached a certain water quality standard after treatment, and can be used for drinking, cooking and washing. Sewage is waste water discharged after use, which contains many pollutants, such as organic matter, nitrogen, phosphorus, heavy metals and so on. If it is directly discharged into the environment without treatment, it will cause serious pollution to the environment.