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The Water Supply (Water Quality) Regulations 2018

W.S.I. 2018/647 · Made 22 May 2018 · Extends to England and Wales

Up to date with all changes known to legislation.gov.uk, revised to 31 December 2020.

Water, England And Wales

Made 22 May 2018

Laid before the National Assembly for Wales 25 May 2018

Laid before Parliament 30 May 2018

Coming into force 15 June 2018

The Welsh Ministers are designated M1 for the purposes of section 2(2) of the European Communities Act 1972 M2 in relation to the quality of water intended for domestic purposes or for use in a food production undertaking.

The Welsh Ministers make these Regulations in exercise of the powers conferred upon them by section 2(2) of the European Communities Act 1972 and sections 67, 69, 77(3) and (4) and 213(2) of the Water Industry Act 1991 M3.

Annotations to the whole text

Marginal citations

M1

S.I. 2004/3328, as amended by S.I. 2005/850, S.I. 2007/1349, S.I. 2008/301, S.I. 2012/1759 and S.I. 2014/1362. The functions conferred on the National Assembly for Wales by means of that Order are now exercisable by the Welsh Ministers by virtue of section 162 of and paragraphs 28 and 30 of Schedule 11 to the Government of Wales Act 2006 (c. 32).

M2

1972 c. 68; section 2(2) was amended by section 27(1)(a) of the Legislative and Regulatory Reform Act 2006 (c. 51) and by Part 1 of the Schedule to the European Union (Amendment) Act 2008 (c.7).

M3

1991 c. 56. The functions of the Secretary of State under section 67 were transferred to the National Assembly for Wales (“the Assembly”) (a) for the making of regulations concerning water supplied using the supply system of a water undertaker, in relation to the supply system of any water undertaker whose area is wholly or mainly in Wales and (b) for the making of regulations concerning water supplied other than using the supply system of a water undertaker, in relation to Wales, by article 2 of, and Schedule 1 to, the National Assembly for Wales (Transfer of Functions) Order 1999 (S.I. 1999/672) (“the 1999 Order”); the functions of the Secretary of State under section 69 were, in relation to any water undertaker whose area is wholly or mainly in Wales and any licensed water supplier so far as relating to licensed activities using the supply system of any such water undertaker transferred to the Assembly by the same provisions of the Order; the functions of the Secretary of State under section 77 were transferred to the Assembly in relation to Wales by the same provisions of the 1999 Order; the functions of the Secretary of State under section 213 were exercisable by the Assembly to the same extent as the powers to which that section applies were made exercisable by the Assembly by virtue of the same provision of the 1999 Order: see the entry in Schedule 1 to the 1999 Order. References in Schedule 1 to the 1999 Order to specific sections of the Act are treated by section 100(6) of the Water Act 2003 (“the 2003 Act”) as referring to those sections as amended by the 2003 Act. References to “licensed water suppliers” or the singular term in Schedule 1 to the 1999 Order now read “water supply licensees” or the singular term following the amendments in paragraph 127 of Schedule 7 to the Water Act 2014 (“the 2014 Act”); there are other amending instruments but none are relevant. By virtue of section 162 of, and paragraph 30 of Schedule 11 to, the Government of Wales Act 2006, the functions conferred on the Assembly are now exercisable by the Welsh Ministers. Section 69 of the Act was amended by paragraph 19 of Schedule 8 , and Part 3 of Schedule 9 , to the 2003 Act, and paragraph 68 of Schedule 7 to the 2014 Act. Section 213 of the Act was amended by paragraph 28 of Schedule 1 to the Competition and Service (Utilities) Act 1992 (c. 43) and by section 56 of, and paragraph 119(4) of Schedule 7 to the 2014 Act.

Contents

  1. Part 1: General
  2. 1Title, commencement and application
  3. 2Interpretation
  4. Part 2: Water Supply Zones
  5. 3Water supply zones
  6. Part 3: Wholesomeness
  7. 4Wholesomeness
  8. Part 4: Monitoring of Water Supplies
  9. 5Interpretation and application of Part 4
  10. 6Monitoring: general provisions
  11. 7Sampling points
  12. 8Authorisation of supply points
  13. 9Number of samples
  14. 10Sampling: further provisions
  15. Part 5: Monitoring – Additional Provisions
  16. 11Sampling for particular substances and parameters
  17. 12Sampling at treatment works
  18. 13Sampling at service reservoirs
  19. 14Sampling: new sources
  20. 15Collection and analysis of samples
  21. 16Collection and analysis of samples: transitional provision Repealed
  22. Part 6: Drinking Water Protected Areas
  23. 17Drinking water abstraction points: monitoring sites
  24. Part 7: Investigations, Authorisation of Departures and Remedial Action
  25. 18Investigations: Schedule 1 parameters
  26. 19Investigations: indicator parameters
  27. 20Action by the Welsh Ministers
  28. 21Failure attributable to domestic distribution system where water is supplied to the public
  29. 22Authorisation of temporary supply of water that is not wholesome
  30. 23Authorisations: terms and conditions
  31. 24Publicity for authorisations
  32. 25Revocation and modification of authorisations
  33. Part 8: Water Treatment
  34. 26Disinfection and other treatment arrangements
  35. 27Risk assessment
  36. 28Procedure following risk assessment and prohibition of supply
  37. 29Water treatment to minimise contamination from pipes
  38. 30Replacement of lead pipes
  39. 31Application and introduction of substances and products
  40. 32Use of processes
  41. 33Offences
  42. Part 9: Records and Information
  43. 34Maintenance of records
  44. 35Provision of information
  45. Part 10: Functions of Local Authorities in Relation to Water Quality
  46. 36Application and interpretation of this Part
  47. 37Duties of local authorities: supplementary provision
  48. Part 11: Enforcement
  49. 38Contraventions by relevant suppliers
  50. Part 12: Miscellaneous
  51. 39Transitional provisions
  52. 39AReporting
  53. 40Amendments and revocations
  54. Signature
  55. Schedule 1PRESCRIBED CONCENTRATIONS AND VALUES
  56. Schedule 2INDICATOR PARAMETERS
  57. Schedule 3: MONITORING
  58. 1Group A and Group B Parameters
  59. Part 2: Annual sampling frequencies: water supply zones
  60. Paragraph
  61. Paragraph
  62. Paragraph
  63. Paragraph
  64. Paragraph
  65. Paragraph
  66. Part 3: Annual sampling frequencies: treatment works and supply points
  67. Paragraph
  68. Paragraph
  69. Paragraph
  70. Schedule 4: Monitoring for indicative dose and analytical performance characteristics
  71. 1Monitoring for compliance with the indicative dose
  72. 2Screening for certain radionuclides, or screening for an individual radionuclide
  73. 3Screening strategies for gross alpha activity and gross beta activity
  74. 4Calculation of the indicative dose
  75. Schedule 5ANALYTICAL METHODOLOGY
  76. Schedule 6Amendments and revocations
  77. Explanatory note