{
  "url": "https://openlegislation.uk/private-water-supplies-england-regulations-2016/schedule-1/part-3",
  "json_url": "https://openlegislation.uk/private-water-supplies-england-regulations-2016/schedule-1/part-3.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": "schedule/1/part/3",
  "kind": "part",
  "number": "3",
  "heading": "Indicator parameters (radioactive substances)",
  "text": "Table D\nParametric values for indicative does, randon and tritium of water intended for human consumption\n1 Where treatment to reduce the level of radionuclides in water intended for human consumption has been taken, monitoring must be carried out under Part 1 of Schedule 2 to ensure the continued efficacy of the treatment.\n2 Enforcement action by a local authority is deemed justified on radiological protection grounds without further consideration where randon concentrates exceed 1,000 Bq/1.\n3 If tritium concentration exceeds its parametric value, an investigation (which may include analysis) of the presence of artificial radionuclides must be carried out.\nParameters\nMaximum concentration or value or state (unless otherwise stated)\nUnits of measurements\nIndicative dose (for radioactivity1\n0.10\nmSv\nGross alpha\n0.1\nBq/1\nGross beta\n1.0\nBq/1\nRadon2\n100\nBq/1\nTritium (for radioactivity)3\n100\nBq/1",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/618/schedule/1/part/3",
    "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."
}