1. Introduction to Drinking Water Testing

Domestic drinking water refers to water used for drinking and daily living purposes;

Purified drinking water refers to tap water or source water that meets the "Domestic Drinking Water Quality Standard" and undergoes advanced treatment before being delivered to users through food-grade sanitary pipelines for direct consumption as pipeline direct drinking water;

Packaged drinking water refers to water sealed in packaging containers that comply with food safety standards and relevant regulations, intended for direct human consumption.

2. Testing Scope

(1) Water quality testing for domestic drinking water, purified drinking water, packaged drinking water/bottled water/bottled water, mineral water, etc.;

(2) Sanitary testing for the completion acceptance of tap water, secondary water supply, and pipeline direct drinking water systems.

3. Testing Items

Microbiological indicators

Toxicological indicators

Sensory properties and general chemical indicators

Radiological indicators

4. Relevant Standards

"Sanitary Standard for Drinking Water" GB 5749-2006

"Standard Examination Methods for Drinking Water" GB 5750-2006

"Drinking Natural Mineral Water" GB 8537-2008

"Test Methods for Drinking Natural Mineral Water" GB/T 8538-1995

"Bottled Purified Drinking Water" GB 17323-1998

"Water Quality Standard for Drinking Purified Water" CJ 94-2005

"Standard Examination Methods for Drinking Water" GB/T 5750-2006

"Hygienic Specification for Secondary Water Supply Facilities" GB 17051-1997

"National Food Safety Standard: Packaged Drinking Water" GB 19298-2003

"National Food Safety Standard: Hygienic Practice for the Production of Packaged Drinking Water" GB 19304-2018

"National Food Safety Standard: Test Methods for Drinking Natural Mineral Water" GB 8538-2016