GB 5749-2022 Standards for drinking water quality English
1 Scope
This document specifies the requirements for drinking water quality and drinking water source quality, the sanitary requirements for drinking water plant, secondary water supply, health and safety products involving drinking water, and water quality inspection methods.
This document is applicable to all kinds of drinking water.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 3838 Environmental quality standards for surface water
GB/T 5750.1–GB/T 5750.13 Standard examination methods for drinking water
GB/T 14848-2017 Standard for groundwater quality
GB 17051 Hygienic specification for facilities of secondary water supply
GB/T 17218-1998 Hygienic safety evaluation for chemicals used in drinking water treatment
GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
drinking water
water for human to drink and use
3.2
centralized water supply
water supply type of collecting water centrally from water sources and distributing it to users or public water intake points through water transmission and distribution pipe network
3.3
small centralized water supply
centralized water supply with designed daily supply capacity below 1,000m3 or water supply population below 10,000 persons
3.4
decentralized water supply
water supply type that users take water directly from water sources with no treatment or simple facilities only
3.5
finished water
water about to enter the transmission and distribution pipe network after the drinking water plant completes the treatment process flow
3.6
tap water
water generated by delivering finished water to user's taps through water transmission and distribution pipe network
3.7
regular indices
indices reflecting the basic situation of drinking water quality
3.8
expanded indices
indices reflecting the water quality characteristics of regional drinking water and the water quality situation in a certain period of time or under special circumstances
4 Requirements for drinking water quality
4.1 The drinking water quality shall meet the following basic requirements to ensure the drinking safety of users:
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements for drinking water quality 5 Requirements for drinking water source quality 6 Sanitary requirements for drinking water plants 7 Sanitary requirements for secondary water supply 8 Sanitary requirements for health and safety products involving drinking water 9 Water quality inspection method Annex A (Informative) Reference indices and limits of drinking water quality Bibliography
GB 5749-2022 Standards for drinking water quality English
1 Scope
This document specifies the requirements for drinking water quality and drinking water source quality, the sanitary requirements for drinking water plant, secondary water supply, health and safety products involving drinking water, and water quality inspection methods.
This document is applicable to all kinds of drinking water.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 3838 Environmental quality standards for surface water
GB/T 5750.1–GB/T 5750.13 Standard examination methods for drinking water
GB/T 14848-2017 Standard for groundwater quality
GB 17051 Hygienic specification for facilities of secondary water supply
GB/T 17218-1998 Hygienic safety evaluation for chemicals used in drinking water treatment
GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
drinking water
water for human to drink and use
3.2
centralized water supply
water supply type of collecting water centrally from water sources and distributing it to users or public water intake points through water transmission and distribution pipe network
3.3
small centralized water supply
centralized water supply with designed daily supply capacity below 1,000m3 or water supply population below 10,000 persons
3.4
decentralized water supply
water supply type that users take water directly from water sources with no treatment or simple facilities only
3.5
finished water
water about to enter the transmission and distribution pipe network after the drinking water plant completes the treatment process flow
3.6
tap water
water generated by delivering finished water to user's taps through water transmission and distribution pipe network
3.7
regular indices
indices reflecting the basic situation of drinking water quality
3.8
expanded indices
indices reflecting the water quality characteristics of regional drinking water and the water quality situation in a certain period of time or under special circumstances
4 Requirements for drinking water quality
4.1 The drinking water quality shall meet the following basic requirements to ensure the drinking safety of users:
Contents of GB 5749-2022
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements for drinking water quality
5 Requirements for drinking water source quality
6 Sanitary requirements for drinking water plants
7 Sanitary requirements for secondary water supply
8 Sanitary requirements for health and safety products involving drinking water
9 Water quality inspection method
Annex A (Informative) Reference indices and limits of drinking water quality
Bibliography
