Water is the source of life and it is closely related to our health. In all walks of life, the role of water should not be underestimated. Because of this, whether it is drinking water, secondary water supply, medical wastewater, etc., there are strict specifications and requirements for water quality. Such as "GB-3838 Environmental Quality Standard for Surface Water", "GB/T5750 Standard Test Method for Drinking Water", "GB/T14848 Groundwater Quality Standard", "GB17051 Hygienic Specification for Secondary Water Supply Facilities", "GB/T17218 Drinking Water Chemistry Hygienic Safety Evaluation of Treatment Agents, etc.

Therefore, for enterprises, water quality testing is not only a necessary condition for enterprises to abide by laws and regulations, obtain legal and compliance testing, but also a concrete manifestation of enterprises' fulfillment of responsibilities. So, which enterprises/units/institutions/places generally need water quality testing? What is the content of water quality testing?

Generally speaking, as long as there is discharge, enterprises must do water quality testing, and enterprises that produce and sell water (such as purified water, etc.) also need to do water quality testing. In addition, swimming pools and swimming pools also need to do water quality testing. The main categories of water quality testing can be divided into purified water, water for injection, drinking water, direct drinking water, medical wastewater, swimming pool water, drinking water distribution equipment, protective materials in contact with drinking water, drinking water chemical treatment agents, anti-corrosion Infiltration water quality processor, etc.

There are usually 9 water quality testing routines, 16 drinking water quality testing, 38 drinking water quality testing, 42 drinking water quality testing, 97 drinking water quality testing and so on. Among them, the specific testing items include chromaticity, turbidity, odor and taste, visible matter, iron, manganese, copper, zinc, pH, coliform group, total number of colonies, oxygen consumption, chloroform, bromate, etc. (It can also be divided according to physical and chemical indicators, inorganic anion indicators, nutrient salts and organic pollution indicators, microorganisms, organic pollutants, etc.).

As for which water quality test the company needs to do, it needs to be decided according to the specific industry the company is in, the type of product to be tested and the content of the report.