{
  "url": "https://openlegislation.uk/private-water-supplies-regulations-1991",
  "json_url": "https://openlegislation.uk/private-water-supplies-regulations-1991.json",
  "id": "uksi/1991/2790",
  "title": "The Private Water Supplies Regulations 1991",
  "short_title": "Private Water Supplies 1991",
  "long_title": "These Regulations supplement Chapter III (Quality and Sufficiency of Supplies) of Part III of the Water Industry Act 1991 (“the 1991 Act”). They are concerned with the quality of water supplied from private supplies in England and Wales for drinking, washing or cooking or for food production purposes. The Regulations come into force on 1st January 1992.",
  "citation": "S.I. 1991/2790",
  "type": "uksi",
  "year": "1991",
  "number": "2790",
  "version": "current",
  "date": "1991-12-10",
  "revised": false,
  "valid_from": null,
  "extent": null,
  "unapplied_effects": 4,
  "provisions": [
    {
      "path": "introduction",
      "kind": "introduction",
      "number": null,
      "heading": "Introductory text",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/introduction",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "part/I",
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      "number": "I",
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      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
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      "number": "1",
      "heading": "Citation and commencement",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-1",
      "extent": null,
      "status": null,
      "parent": "part/I"
    },
    {
      "path": "regulation/2",
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      "heading": "Interpretation",
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      "extent": null,
      "status": null,
      "parent": "part/I"
    },
    {
      "path": "part/II",
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      "number": "II",
      "heading": "WHOLESOMENESS",
      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/3",
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      "heading": null,
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-3",
      "extent": null,
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      "parent": "part/II"
    },
    {
      "path": "part/III",
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      "number": "III",
      "heading": "RELAXATION OF REQUIREMENTS OF PART II",
      "url": null,
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    },
    {
      "path": "regulation/4",
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      "heading": "Authorisations",
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      "status": null,
      "parent": "part/III"
    },
    {
      "path": "regulation/5",
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      "heading": "Authorisations-restrictions",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-5",
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    {
      "path": "regulation/6",
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      "heading": "Authorisations – conditions",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-6",
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      "status": null,
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    },
    {
      "path": "regulation/7",
      "kind": "regulation",
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      "heading": "Revocation and modification of authorisations",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-7",
      "extent": null,
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    },
    {
      "path": "part/IV",
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      "number": "IV",
      "heading": "MONITORING OF PRIVATE SUPPLIES",
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      "parent": null
    },
    {
      "path": "regulation/8",
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      "heading": "Duty to monitor",
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    },
    {
      "path": "regulation/9",
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      "heading": "Category one supplies",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-9",
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    {
      "path": "regulation/10",
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    },
    {
      "path": "regulation/11",
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      "number": "11",
      "heading": "Classification of new or restored supplies",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-11",
      "extent": null,
      "status": null,
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    },
    {
      "path": "regulation/12",
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      "heading": "Review of classification of supplies",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-12",
      "extent": null,
      "status": null,
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    },
    {
      "path": "regulation/13",
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      "heading": "Monitoring – general provisions",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-13",
      "extent": null,
      "status": null,
      "parent": "part/IV"
    },
    {
      "path": "regulation/14",
      "kind": "regulation",
      "number": "14",
      "heading": "Monitoring of class A, B, 1 and 2 supplies – standard sampling frequency",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-14",
      "extent": null,
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    },
    {
      "path": "regulation/15",
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      "number": "15",
      "heading": "Reduced sampling frequency",
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      "extent": null,
      "status": null,
      "parent": "part/IV"
    },
    {
      "path": "regulation/16",
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      "heading": "Increased sampling frequency",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-16",
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    },
    {
      "path": "regulation/17",
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      "heading": "Additional provisions for class 2 supplies",
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      "status": null,
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    },
    {
      "path": "regulation/18",
      "kind": "regulation",
      "number": "18",
      "heading": "Monitoring of class C, D, E, 3, 4 and 5 supplies",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-18",
      "extent": null,
      "status": null,
      "parent": "part/IV"
    },
    {
      "path": "part/V",
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      "number": "V",
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    },
    {
      "path": "regulation/19",
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      "number": "19",
      "heading": "Collection and analysis of samples",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-19",
      "extent": null,
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    },
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      "path": "regulation/20",
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      "number": "20",
      "heading": "Charges for sampling and analysis",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-20",
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    },
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      "path": "regulation/21",
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      "heading": "Sampling and analysis by persons other than local authorities",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-21",
      "extent": null,
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    },
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      "heading": "Revocation of regulations",
      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/regulation-22",
      "extent": null,
      "status": null,
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    },
    {
      "path": "signature",
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      "url": "https://openlegislation.uk/private-water-supplies-regulations-1991/signature",
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    },
    {
      "path": "schedule/1",
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      "heading": "EXERCISE OF POWERS",
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    },
    {
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    {
      "path": "schedule/3",
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      "number": "3",
      "heading": "SAMPLING FREQUENCIES FOR CLASSES A, B, 1 AND 2",
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    }
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  "outstanding_effects": [
    {
      "type": "revoked",
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      "affecting_title": "The Private Water Supplies (Wales) Regulations 2010",
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    }
  ],
  "made_under": [
    {
      "id": "ukpga/1991/56",
      "title": "Water Industry Act 1991",
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    "retrieved_at": "2026-10-29T14:32:48.534038+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}