{
  "url": "https://openlegislation.uk/private-water-supplies-england-regulations-2016/regulation-12",
  "json_url": "https://openlegislation.uk/private-water-supplies-england-regulations-2016/regulation-12.json",
  "legislation": "uksi/2016/618",
  "legislation_title": "The Private Water Supplies (England) Regulations 2016",
  "legislation_url": "https://openlegislation.uk/private-water-supplies-england-regulations-2016",
  "path": "regulation/12",
  "kind": "regulation",
  "number": "12",
  "heading": "Sampling and analysis",
  "text": "(1) When a local authority monitors a private water supply in accordance with regulations 8 to 11, it must take a sample—\n(a) if the water is supplied for domestic purposes, from a tap normally used to supply water for human consumption (and which, if there is more than one tap, is representative of the water supplied to the premises);\n(b) if the water is used in a food-production undertaking, at the point at which it is used in the undertaking;\n(c) if the water is supplied from a tanker, at the point at which it emerges from the tanker;\n(d) in any other case, at a suitable point.\n(2) The local authority must ensure that the sample is analysed in accordance with Schedule 3.\n(3) The further provisions for sampling and analysis in Schedule 3 apply.\n(4) Compliance samples for chemical parameters including copper, lead and nickel must take the form of a random daytime sample of one litre volume taken at a consumer’s tap without prior flushing.\n(5) All sampling under this regulation—\n(a) for chemical parameters in the distribution network must, other than where the sample is taken at a consumer’s tap, be undertaken in accordance with international standard ISO 5667-5 entitled “Water quality. Sampling. Guidance on treatment of drinking water from treatment works and piped distribution systems”;\n(b) for microbiological parameters in the distribution network and at a consumer’s tap must be undertaken in accordance with European standard EN ISO 19458 entitled “Water Quality – Sampling for microbiological analysis” using sampling procedure A in the distribution network and sampling procedure B at a consumer’s tap.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Reg. 12(4)(5) inserted (11.7.2018) by The Private Water Supplies (England) (Amendment) Regulations 2018 (S.I. 2018/707), regs. 1(1), 2(6) (with reg. 3)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/618/regulation/12",
    "retrieved_at": "2026-10-28T23:23:04.925081+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."
}