# The Water Supply (Water Quality) Regulations 2010 (revoked) W.S.I. 2010/994 · made 25 March 2010 · revised to 15 June 2018 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PDFs: Printed copy https://openlegislation.uk/water-supply-water-quality-regulations-2010-revoked/pdf/wsi_20100994_en.pdf ## Introductory text WATER, ENGLAND AND WALES Made 25 March 2010 Laid before Parliament 30 March 2010 Laid before National Assembly for Wales 30 March 2010 Coming into force 20 April 2010 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part I: General ## 1 Title, commencement and application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Interpretation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part II: Water Supply Zones ## 3 Water supply zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part III: Wholesomeness ## 4 Wholesomeness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part IV: Monitoring of Water Supplies ## 5 Interpretation and application of Part IV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Monitoring: general provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6A Monitoring: radioactive substances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 Sampling points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 8 Authorisation of supply points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 9 Numbers of samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 10 Sampling: further provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part V: Monitoring – Additional Provisions ## 11 Interpretation of Part V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 12 Sampling for particular substances and parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 13 Sampling at treatment works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 14 Sampling at service reservoirs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 15 Sampling: new sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 16 Collection and analysis of samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part VI: Drinking Water Protected Areas ## 17 Drinking water abstraction points: monitoring sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part VII: Investigations, Authorisation of Departures and Remedial Action ## 18 Investigations: Schedule 1 parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 19 Investigations: indicator parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 20 Action by Welsh Ministers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 21 Failure attributable to domestic distribution system where water is supplied to the public . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 22 Authorisation of temporary supply of water that is not wholesome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 23 Authorisations: terms and conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 24 Authorisations: other limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 25 Publicity for authorisations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 26 Revocation and modification of authorisations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part VIII: Water Treatment ## 27 Disinfection and other treatment arrangements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 28 Risk assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 29 Procedure following risk assessment and prohibition of supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 30 Contamination from pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 31 Application and introduction of substances and products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 32 Use of processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 33 Offences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part IX: Records and Information ## 34 Maintenance of records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 35 Provision of information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part X: Functions of Local Authorities in Relation to Water Quality ## 36 Application and interpretation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 37 Duties of local authorities: supplementary provision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part XI: Enforcement ## 38 Contraventions by relevant suppliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part XII: Revocation of Regulations ## 39 Revocation of Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 1 PRESCRIBED CONCENTRATIONS AND VALUES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 2 INDICATOR PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule NonBreakingSpace2A Radioactive substances parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 3: MONITORING ### Part Table 1: Parameters and Circumstances for Check Monitoring ### Part Table 2: Annual Sampling Frequencies: Water Supply Zones ### Part Table 3: Annual Sampling Frequencies: Treatment Works or Supply Points ## Schedule NonBreakingSpace3A: Monitoring of radioactive substances ## 1 Radon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Tritium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Indicative Dose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Water treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Averaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 4: ANALYTICAL METHODOLOGY ### Part Table A1: Parameters for which, Subject to Regulation 16(7), Methods of Analysis are Prescribed ## Table A2 Parameters for which, Subject to Regulation 16(7), Methods of Analysis are Prescribed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule NonBreakingSpace5: Monitoring for indicative dose and analytical performance characteristics ## 1 Monitoring for compliance with the indicative dose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Monitoring for compliance with the indicative dose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Screening for certain radionuclides, or screening for an individual radionuclide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Screening for certain radionuclides, or screening for an individual radionuclide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Screening strategies for gross alpha activity and gross beta activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Screening strategies for gross alpha activity and gross beta activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 Screening strategies for gross alpha activity and gross beta activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 8 Screening strategies for gross alpha activity and gross beta activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 9 Calculation of the indicative dose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 10 Calculation of the indicative dose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 11 Performance characteristics and methods of analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Explanatory note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . --- Source: https://www.legislation.gov.uk/wsi/2010/994 (the official version) Page: https://openlegislation.uk/water-supply-water-quality-regulations-2010-revoked Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.