{
  "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018",
  "json_url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018.json",
  "id": "wsi/2018/647",
  "title": "The Water Supply (Water Quality) Regulations 2018",
  "short_title": "Water Supply (Water Quality) 2018",
  "long_title": "These Regulations supplement Chapter III (Water Supply) of the Water Industry Act 1991 (“the 1991 Act”) and revoke and replace the Water Supply (Water Quality) Regulations 2010. They are primarily concerned with the quality of water supplied by water undertakers whose areas are wholly or mainly in Wales (and water supply licensees using the supply systems of such undertakers) for drinking, washing, cooking and food preparation, and for food production, and with arrangements for the publication of information about water quality.",
  "citation": "W.S.I. 2018/647",
  "type": "wsi",
  "year": "2018",
  "number": "647",
  "version": "current",
  "date": "2018-05-22",
  "revised": true,
  "valid_from": "2020-12-31",
  "extent": "E+W",
  "unapplied_effects": 0,
  "provisions": [
    {
      "path": "introduction",
      "kind": "introduction",
      "number": null,
      "heading": "Introductory text",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/introduction",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "part/1",
      "kind": "part",
      "number": "1",
      "heading": "General",
      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/1",
      "kind": "regulation",
      "number": "1",
      "heading": "Title, commencement and application",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-1",
      "extent": null,
      "status": null,
      "parent": "part/1"
    },
    {
      "path": "regulation/2",
      "kind": "regulation",
      "number": "2",
      "heading": "Interpretation",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-2",
      "extent": null,
      "status": null,
      "parent": "part/1"
    },
    {
      "path": "part/2",
      "kind": "part",
      "number": "2",
      "heading": "Water Supply Zones",
      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/3",
      "kind": "regulation",
      "number": "3",
      "heading": "Water supply zones",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-3",
      "extent": null,
      "status": null,
      "parent": "part/2"
    },
    {
      "path": "part/3",
      "kind": "part",
      "number": "3",
      "heading": "Wholesomeness",
      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/4",
      "kind": "regulation",
      "number": "4",
      "heading": "Wholesomeness",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-4",
      "extent": null,
      "status": null,
      "parent": "part/3"
    },
    {
      "path": "part/4",
      "kind": "part",
      "number": "4",
      "heading": "Monitoring of Water Supplies",
      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/5",
      "kind": "regulation",
      "number": "5",
      "heading": "Interpretation and application of Part 4",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-5",
      "extent": null,
      "status": null,
      "parent": "part/4"
    },
    {
      "path": "regulation/6",
      "kind": "regulation",
      "number": "6",
      "heading": "Monitoring: general provisions",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-6",
      "extent": null,
      "status": null,
      "parent": "part/4"
    },
    {
      "path": "regulation/7",
      "kind": "regulation",
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      "heading": "Sampling points",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-7",
      "extent": null,
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      "parent": "part/4"
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    {
      "path": "regulation/8",
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      "number": "8",
      "heading": "Authorisation of supply points",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-8",
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      "status": null,
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      "path": "regulation/9",
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      "heading": "Number of samples",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-9",
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    {
      "path": "regulation/10",
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      "heading": "Sampling: further provisions",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-10",
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    {
      "path": "part/5",
      "kind": "part",
      "number": "5",
      "heading": "Monitoring – Additional Provisions",
      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/11",
      "kind": "regulation",
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      "heading": "Sampling for particular substances and parameters",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-11",
      "extent": null,
      "status": null,
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    },
    {
      "path": "regulation/12",
      "kind": "regulation",
      "number": "12",
      "heading": "Sampling at treatment works",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-12",
      "extent": null,
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    {
      "path": "regulation/13",
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      "number": "13",
      "heading": "Sampling at service reservoirs",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-13",
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    {
      "path": "regulation/14",
      "kind": "regulation",
      "number": "14",
      "heading": "Sampling: new sources",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-14",
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    {
      "path": "regulation/15",
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      "number": "15",
      "heading": "Collection and analysis of samples",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-15",
      "extent": null,
      "status": null,
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    },
    {
      "path": "regulation/16",
      "kind": "regulation",
      "number": "16",
      "heading": "Collection and analysis of samples: transitional provision",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-16",
      "extent": "E+W",
      "status": "repealed",
      "parent": "part/5"
    },
    {
      "path": "part/6",
      "kind": "part",
      "number": "6",
      "heading": "Drinking Water Protected Areas",
      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/17",
      "kind": "regulation",
      "number": "17",
      "heading": "Drinking water abstraction points: monitoring sites",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-17",
      "extent": null,
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      "path": "part/7",
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      "number": "7",
      "heading": "Investigations, Authorisation of Departures and Remedial Action",
      "url": null,
      "extent": null,
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      "path": "regulation/18",
      "kind": "regulation",
      "number": "18",
      "heading": "Investigations: Schedule 1 parameters",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-18",
      "extent": null,
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      "path": "regulation/19",
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      "number": "19",
      "heading": "Investigations: indicator parameters",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-19",
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      "path": "regulation/20",
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      "number": "20",
      "heading": "Action by the Welsh Ministers",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-20",
      "extent": null,
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    },
    {
      "path": "regulation/21",
      "kind": "regulation",
      "number": "21",
      "heading": "Failure attributable to domestic distribution system where water is supplied to the public",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-21",
      "extent": null,
      "status": null,
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    {
      "path": "regulation/22",
      "kind": "regulation",
      "number": "22",
      "heading": "Authorisation of temporary supply of water that is not wholesome",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-22",
      "extent": null,
      "status": null,
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    {
      "path": "regulation/23",
      "kind": "regulation",
      "number": "23",
      "heading": "Authorisations: terms and conditions",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-23",
      "extent": null,
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    {
      "path": "regulation/24",
      "kind": "regulation",
      "number": "24",
      "heading": "Publicity for authorisations",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-24",
      "extent": null,
      "status": null,
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    {
      "path": "regulation/25",
      "kind": "regulation",
      "number": "25",
      "heading": "Revocation and modification of authorisations",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-25",
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      "path": "part/8",
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      "heading": "Water Treatment",
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      "path": "regulation/26",
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      "heading": "Disinfection and other treatment arrangements",
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      "path": "regulation/28",
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      "heading": "Procedure following risk assessment and prohibition of supply",
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      "path": "regulation/29",
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      "heading": "Water treatment to minimise contamination from pipes",
      "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2018/regulation-29",
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      "path": "regulation/30",
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      "heading": "Replacement of lead pipes",
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      "heading": "Application and introduction of substances and products",
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      "heading": "PRESCRIBED CONCENTRATIONS AND VALUES",
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