{
  "url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-26",
  "json_url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991/schedule/paragraph-26.json",
  "legislation": "uksi/1991/1837",
  "legislation_title": "The Water Supply (Water Quality) (Amendment) Regulations 1991",
  "legislation_url": "https://openlegislation.uk/water-supply-water-quality-amendment-regulations-1991",
  "path": "schedule/paragraph/26",
  "kind": "paragraph",
  "number": "26",
  "heading": null,
  "text": "In Schedule 3–\n(a) in Tables 1, 3 and 5 to 7, after “domestic purposes” wherever they occur insert “(and, if water is supplied for food production purposes, for those purposes)”;\n(b) for Table 2 substitute–\n“\nTable 2: Sampling frequencies at consumers' taps\nParameters\nWater Supply Zone\nSampling Frequency (number per annum)\nVolume distributed (m3/d) for domestic purposes (and, if water is supplied for food production purposes, for those purposes)\nPopulation Supplied\nReduced\nStandard\nIncreased\nGround Water\nSurface Water\nTurbidity\nTemperature\nHydrogen ion\nNitrate\nNitrite\nAmmonium\nIron\nAluminium\nManganese\nColour\n≤100\n101-1000\n1001-2000\n2001-4000\n4001-7000\n7001-10000\n≤500\n501-5000\n5001-10000\n10001-20000\n20001-35000\n35001-50000\n4\n4\n4\n4\n5\n5\n4\n4\n4\n6\n10\n10\n12\n12\n24\n24\n36\n48\n”\n“\nTable 2A: Sampling frequencies at consumers' taps\nParameters\nWater Supply Zone\nSampling Frequency (number per annum)\nVolume distributed (m3/d) for domestic purposes (and, if water is supplied for food production purposes, for those purposes)\nPopulation Supplied\nReduced\nStandard\nIncreased\nGround Water\nSurface Water\nOdour\n(quantitative)\nTaste\n(quantitative)\n≤100\n101-1000\n1001-2000\n2001-4000\n4001-7000\n7001-10000\n≤500\n501-5000\n5001-10000\n10001-20000\n20001-35000\n35001-50000\n1\n1\n1\n1\n1\n2\n4\n5\n5\n4\n4\n4\n6\n10\n10\n12\n12\n24\n24\n36\n48\n”\n(c) in Table 6, after “standard number is 52.” insert “In cases where the population is not an exact multiple of 5000, the population figure should be rounded up to the nearest multiple of 5000”.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "revoked",
      "affecting": "uksi/1991/2790",
      "affecting_title": "The Private Water Supplies Regulations 1991"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1991/1837/schedule/paragraph/26",
    "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."
}