{
  "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991",
  "json_url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991.json",
  "id": "uksi/1991/1837",
  "title": "The Water Supply (Water Quality) (Amendment) Regulations 1991",
  "short_title": "Water Supply (Water Quality) 1991",
  "long_title": "These Regulations make further amendments to the Water Supply (Water Quality) Regulations 1989 (the “1989 Regulations”).",
  "citation": "S.I. 1991/1837",
  "type": "uksi",
  "year": "1991",
  "number": "1837",
  "version": "current",
  "date": "1991-08-06",
  "revised": false,
  "valid_from": null,
  "extent": null,
  "unapplied_effects": 5,
  "provisions": [
    {
      "path": "introduction",
      "kind": "introduction",
      "number": null,
      "heading": "Introductory text",
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/introduction",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/1",
      "kind": "regulation",
      "number": "1",
      "heading": "Citation and commencement",
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/regulation-1",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/2",
      "kind": "regulation",
      "number": "2",
      "heading": "Amendment of regulations",
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/regulation-2",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "signature",
      "kind": "signature",
      "number": null,
      "heading": "Signature",
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/signature",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "schedule",
      "kind": "schedule",
      "number": "THE",
      "heading": null,
      "url": null,
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "schedule/paragraph/1",
      "kind": "paragraph",
      "number": "1",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-1",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/2",
      "kind": "paragraph",
      "number": "2",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-2",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/3",
      "kind": "paragraph",
      "number": "3",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-3",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/4",
      "kind": "paragraph",
      "number": "4",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-4",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/5",
      "kind": "paragraph",
      "number": "5",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-5",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/6",
      "kind": "paragraph",
      "number": "6",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-6",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/7",
      "kind": "paragraph",
      "number": "7",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-7",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/8",
      "kind": "paragraph",
      "number": "8",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-8",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/9",
      "kind": "paragraph",
      "number": "9",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-9",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/10",
      "kind": "paragraph",
      "number": "10",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-10",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/11",
      "kind": "paragraph",
      "number": "11",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-11",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/12",
      "kind": "paragraph",
      "number": "12",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-12",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/13",
      "kind": "paragraph",
      "number": "13",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-13",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/14",
      "kind": "paragraph",
      "number": "14",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-14",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/15",
      "kind": "paragraph",
      "number": "15",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-15",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/16",
      "kind": "paragraph",
      "number": "16",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-16",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/17",
      "kind": "paragraph",
      "number": "17",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-17",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/18",
      "kind": "paragraph",
      "number": "18",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-18",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/19",
      "kind": "paragraph",
      "number": "19",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-19",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/20",
      "kind": "paragraph",
      "number": "20",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-20",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/21",
      "kind": "paragraph",
      "number": "21",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-21",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/22",
      "kind": "paragraph",
      "number": "22",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-22",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/23",
      "kind": "paragraph",
      "number": "23",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-23",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/24",
      "kind": "paragraph",
      "number": "24",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-24",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/25",
      "kind": "paragraph",
      "number": "25",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-25",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/26",
      "kind": "paragraph",
      "number": "26",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-26",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/27",
      "kind": "paragraph",
      "number": "27",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-27",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "schedule/paragraph/28",
      "kind": "paragraph",
      "number": "28",
      "heading": null,
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-28",
      "extent": null,
      "status": null,
      "parent": "schedule"
    },
    {
      "path": "note",
      "kind": "note",
      "number": null,
      "heading": "Explanatory note",
      "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/note",
      "extent": null,
      "status": null,
      "parent": null
    }
  ],
  "has_text": true,
  "pdfs": [],
  "outstanding_effects": [
    {
      "type": "revoked",
      "affected_provisions": "Sch, para 7",
      "affecting": "uksi/1991/2790",
      "affecting_title": "The Private Water Supplies Regulations 1991",
      "affecting_provisions": null
    },
    {
      "type": "revoked in part",
      "affected_provisions": "Regulations",
      "affecting": "uksi/2000/3184",
      "affecting_title": "The Water Supply (Water Quality) Regulations 2000",
      "affecting_provisions": "reg. 43(2)(b)"
    },
    {
      "type": "revoked",
      "affected_provisions": "Regulations",
      "affecting": "uksi/2000/3184",
      "affecting_title": "The Water Supply (Water Quality) Regulations 2000",
      "affecting_provisions": "reg. 43(3)(b)"
    },
    {
      "type": "revoked in part",
      "affected_provisions": "Regulations",
      "affecting": "wsi/2001/3911",
      "affecting_title": "The Water Supply (Water Quality) Regulations 2001",
      "affecting_provisions": "reg. 43(2)(b)"
    },
    {
      "type": "revoked",
      "affected_provisions": "Regulations",
      "affecting": "wsi/2001/3911",
      "affecting_title": "The Water Supply (Water Quality) Regulations 2001",
      "affecting_provisions": "reg. 43(3)(b)"
    }
  ],
  "made_under": [
    {
      "id": "ukpga/1989/15",
      "title": "Water Act 1989",
      "url": "https://openlegislation.uk/water-act-1989",
      "provisions": [
        "section/52",
        "section/53",
        "section/56",
        "section/65",
        "section/185"
      ]
    }
  ],
  "changes_made_to": 5,
  "changes_made_to_url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/changes.json",
  "changes_made_by": 42,
  "changes_made_by_url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/changes/by-it.json",
  "instruments_made_under": 0,
  "instruments_made_under_url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/instruments.json",
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1991/1837",
    "retrieved_at": "2026-10-29T14:39:33.713435+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."
}