{
  "url": "https://openlegislation.uk/public-water-supplies-scotland-regulations-2014/schedule-3/paragraph-2n1",
  "json_url": "https://openlegislation.uk/public-water-supplies-scotland-regulations-2014/schedule-3/paragraph-2n1.json",
  "legislation": "ssi/2014/364",
  "legislation_title": "The Public Water Supplies (Scotland) Regulations 2014",
  "legislation_url": "https://openlegislation.uk/public-water-supplies-scotland-regulations-2014",
  "path": "schedule/3/paragraph/2n1",
  "kind": "paragraph",
  "number": "2",
  "heading": null,
  "text": "The methods for microbiological parameters are—\n(a) for Escherichia coli and coliform bacteria—\n(i) European standard EN ISO 9308-1:2014 entitled “Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014)”; or\n(ii) European standard EN ISO 9308-2:2014 entitled “Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012)”;\n(b) for enterococci, European standard EN ISO 7899-2:2000 entitled “Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method (ISO 7899-2:2000)”;\n(c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n(d) for colony count 22 °C (the enumeration of culturable microorganisms — colony count after aerobic incubation at 22 °C), European standard EN ISO 6222:1999 entitled “Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999)”;\n(e) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n(f) for Clostridium perfringens including spores, European standard EN ISO 14189:2016 entitled “Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration (ISO 14189:2013)”\n(g) for somatic coliphages, European Standard EN ISO 10705-2:2000 entitled “Water quality — Detection and enumeration of bacteriophages — Part 2: Enumeration of somatic coliphages” and European Standard EN ISO 10705-3:2003 entitled “Water quality — Detection and enumeration of bacteriophages — Part 3: Validation of methods for concentration of bacteriophages from water” can be used.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Sch. 3 substituted (27.10.2017) by The Public Water Supplies (Scotland) Amendment Regulations 2017 (S.S.I. 2017/281), reg. 1(1), sch. 2 (as amended by The Public and Private Water Supplies (Miscellaneous Amendments) (Scotland) Regulations 2017 (S.S.I. 2017/321), regs. 1, 3(3)(a)(b))"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Sch. 3 Pt. A para. 2(c) omitted (1.1.2023) by virtue of The Public Water Supplies (Scotland) Amendment Regulations 2022 (S.S.I. 2022/387), regs. 1(1), 18(3)(a)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Sch. 3 Pt. A para. 2(e) omitted (1.1.2023) by virtue of The Public Water Supplies (Scotland) Amendment Regulations 2022 (S.S.I. 2022/387), regs. 1(1), 18(3)(a)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Sch. 3 Pt. A para. 2(g) inserted (1.1.2023) by The Public Water Supplies (Scotland) Amendment Regulations 2022 (S.S.I. 2022/387), regs. 1(1), 18(3)(b)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ssi/2014/364/schedule/3/paragraph/2n1",
    "retrieved_at": "2026-10-28T21:32:08.441116+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."
}