Guidance on implementing the Water Supply (Water Quality) Regulations

The documents here provide guidance to water companies, inset appointees and licensed suppliers on the implementation of:

i) the Water Supply (Water Quality) Regulations 2016 (S.I. 2016/614), as amended by the 2018 Amendment Regulations (S.I 2018/706), that apply to water companies whose areas of supply are wholly or mainly in England, and

ii) the Water Supply (Water Quality) Regulations (Wales) (S.I. 2018/647 (W.121)) that apply to water companies whose areas of supply are wholly or mainly in Wales.

These statutory instruments are known collectively as the Regulations.

In all sections covering individual Regulations, the main paragraph reference numbers relate directly to the relevant English regulation number. Wherever the Welsh Regulation number is different to the equivalent English regulation, the Welsh regulation is referred to alongside in square brackets thus: [ ].

Guidance on the Regulations

Introduction – Purpose; Regulatory framework in England and Wales; References

Introduction

Version 3.0, April 2020

Part 1 – General Regulations, Definitions

Regs 1-2

Version 3.0, April 2020

Part 2 – Water supply zones – Delineation and designation of water supply zones

Reg 3

Version 3.0, April 2020

Part 3 – Wholesomeness

Reg 4

Version 3.0, April 2020

Part 4 – Monitoring of water supplies and Appendix 6.1 – Radioactivity – Monitoring

Regs 5-10 and Appendix 6.1

Version 3.1, June 2020

Part 5 – Monitoring additional provisions – Sampling at treatment works and service reservoirs

Regs 12-14 [11-13]

Version 3.0, April 2020

Part 5 – Monitoring additional provisions – Sampling new sources

Reg 15 [14]

Version 3.0, April 2020

Part 5 – Monitoring additional provisions – Collection and analysis of samples and Appendix 16.1 Analysis of samples

Reg 16 [15] and Appendix 16.1

Version 3.0, April 2020

Part 6 – Drinking water protected areas – Abstraction point monitoring

Reg 17

Version 3.0, April 2020

Part 7 – Investigations, authorisation of departures and public buildings

Regs 18-25

Version 3.0, April 2020

Part 8 – Water treatment – Disinfection and other treatment arrangements

Reg 26

Version 3.0, April 2020

Part 8 – Water treatment – Risk assessment, plumbosolvency treatment and replacement of lead pipes

Regs 27-30

Version 3.0, April 2020

Part 8 – Water treatment – Materials and products. Offences.

Regs 31-33

Version 3.0, April 2020

Part 9 – Records and information – Public records, and Part 11 – Enforcement

Regs 34-35, 38

Version 3.0, April 2020

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