{
  "url": "https://openlegislation.uk/water-supply-water-quality-regulations-2016/schedule-3/part-2",
  "json_url": "https://openlegislation.uk/water-supply-water-quality-regulations-2016/schedule-3/part-2.json",
  "legislation": "uksi/2016/614",
  "legislation_title": "The Water Supply (Water Quality) Regulations 2016",
  "legislation_url": "https://openlegislation.uk/water-supply-water-quality-regulations-2016",
  "path": "schedule/3/part/2",
  "kind": "part",
  "number": "2",
  "heading": "Annual sampling frequencies: water supply zones",
  "text": "Table 8\nAnnual sampling frequencies for Group A4 parameters: water supply zones\n(1) Estimated population of water supply zone\n(2) Standard sampling frequency per year\n<100\n2\n100-4,999\n4\n5,000-9,999\n12\n10,000-29,999\n24\n30,000-49,999\n36\n50,000-79,999\n52\n80,000-100,000\n76\nTable 9\nAnnual sampling frequencies for Group B1 parameters: water supply zones\n(1) Estimated population of water supply zone\n(2) Standard sampling frequency per year\n<100\n1\n100-4,999\n4\n5000-100,000\n8\nTable 10\nAnnual sampling frequencies for Group A1: water supply zones\n(1) Estimated population of water supply zone\n(2) Standard sampling frequency per year\n<100\n4\n≥100\n12 per 5,000 population\nFor the purposes of this table, where the population is not an exact multiple of 5,000, the population figure must be rounded up to the nearest multiple of 5,000.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Sch. 3 substituted (11.7.2018) by The Water Supply (Water Quality) (Amendment) Regulations 2018 (S.I. 2018/706), regs. 1(1), 2(13)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/614/schedule/3/part/2",
    "retrieved_at": "2026-10-28T23:23:06.508330+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."
}